DIY spray foam and how to foam a cavity

Video showing steaming technique to fill cavities and spray foam from a can.
I delisted the last video I did on this since I didn't think I conveyed what I wanted to properly.
People have made themselves quite sick from poorly installed foam - don't be one of them.
After the foam has cured, give it a sniff, if it smells bad, try pull it out and figure what went wrong.
There are a bunch of reasons for and against foaming a vehicle. Figure them out before you do it.

[@DeUser1337]

This is the kind of work that safes the life's of generations. My hat is off to you! Simple and effective!

[@brendontait6968]

Thanks for that - I'm going to follow up with similar videos to this hopefully making people aware of what we expose ourselves to on the daily.

[@JakeEarp]

until you loose a finger!

[@augenmaugen]

Wow, that’s mind blowing how the first one turned to nothing but liquid and residue. I’ve always wondered why the cans instruct not to fill closed voids; now it makes sense. That steamer idea is brilliant. Thanks my good man!

[@brendontait6968]

Cheers, yeah - it's crazy right. For some reason people think when it comes out of the can it will solidify without understanding why.

[@TheWebstaff]

That saw technique is beautiful!

[@brendontait6968]

Thanks, what you have just witnessed is years of experience, a huge amount of skill and a little bit of art all intertwined.

[@TheZahnputz]

good video up to the sawing part...

[@TrojanLube69]

Haha mans is asking to chop a hand

[@garyhawkins9733]

Ya......lol 😆

[@MaSter-mw3rb]

Had me nervous

[@andrewcheshire244]

Did you use the same foam in both bottles (but a different technique)? I wasn't sure if you were comparing 2 types of foam or not...

[@brendontait6968]

Hey, same foam... different technique

[@Lilmiket1000]

pretty good video. the pros just use a spray bottle as they foam. the moisture makes it cure more completely and expand more and faster and adhere to the surface life glue.

[@unbr3akablonsoundcloud-tx6co]

I have to fill in some gaps from where I had to use a grinder to cut the wheel arches on my eps panel camper. I was worried about spraying too much into the channel before capping the arches with c channel. Or am I better off packing with foam packing rod and adhesive

[@nezp7997]

I don't understand how the foam bottle connects to the steam machine?

[@rafalb.5417]

The foam bottle is connected as usual to the valve (to its bottom). And the steam machine sprays steam by the needle into the plastic tube, just at the end of the valve.

[@chrisfs150]

When do we get some more videos of the unimog...? (& obviously you with it...)

[@AllisonReynolds1]

I have bought a large inflateable fish skeleton thingo/sculpture - 4m long x 2m high x 1 metre wide (it's a skeleton so it's not the full volume of those numbers). Can you fill parts separately and the foam bond to the foam that was put in earlier? As it is an inflateable, it would normally get it's shape from constant air pressure from a fan. The head of this thing is the largest part and has a huge tongue almost as big as the head so I would want to fill the tongue, then the head then all the ribs and spine...and then probably the tail. The desired end product is a rigid fish skeleton that can sit on a shop roof (tied down of course). Do you think this would work?

[@brendontait6968]

It would work separately, and it would work. However.... I think if it is mounted outside, it could break. The foam would offer little complaine in the wind and could break under compression.

[@clbooth3]

It really is a miracle any of us have survived for as long as we have! Don’t knock the two part tank system without trying it. Insulated an entire house 2k sqft about 4 years ago. Didn’t even think about the metering until seeing your video. Passed all test on completion. Only thing that failed was the beautiful wood we used for stair runs, repurposed from a cargo container. Didn’t know that is what it was when we bought it. God only knows what they treat that stuff with but it was positive for all kinds of nasty.

[@brendontait6968]

Hey Clyde, I agree - but I see a reversal in that! The two tank system can and does work safely, but I think due to lack of dosing pumps they could give inconsistent results. I assume the container wood was giving off methyl bromide, formaldehyde etc. Results will vary a lot depending on the testing instruments they used, a lot of test instrumentation will not pick up everything. If you are interested in this sort of thing, keep an eye out on my channel. I have some of the best testing instrumentation available and going to show a lot of the nasties in products in the future.

[@clbooth3]

@@brendontait6968 im subscribed, like your channel! And I LOVE my foam! Wish i could have afforded pros to come in because it was MESSY lol. 2000 sq/ft two brdroom house….. cold in summer and warm in winter…. Electric bill averaged less than 50/month….. foam not the only reason but it plays an important part! Thanks for the reply!

[@brendontait6968]

Cheers Clyde... hopefully will get back into making videos soon. Have got loads more to share. Foam is deff great for getting in those places where nothing else will. That being said... it's caused an awful lot of headaches too. kzbin.info/www/bejne/ZnnLZoCPq5yfjcU

[@-Scotty]

6:08 almost lost your fingers! foolish move mate.

[@ATVHangTime]

Minimal Self Preservation Instincts Here, poor risk to reward value!

[@Paul_Marek]

get over yourself mr. perfect.

[@johnmichaels4330]

Some people just pu$$ies

[@michaelosmon]

I like to carry my travel mug to work because of the lid keeping dust out of my coffee. So my Harley has a tour pack (trunk) that my lunch box and thermos fit into one side of it leaving an entire half empty. There's no good way to wedge the mug in place and upright without adding bulk whatever into the trunk. I've had an idea to fill that void with foam and hollow it out for a cup holder and some part specific cubby holes and also to hold the lunch box in place so the handle wedges against the opposite side and the lid doesn't hit the trunk lid when they're open. Thorough curing seems to be the biggest issue I would face. Maybe I should layer foam board instead but i like the idea of it being an exact fit. Still thinking about it. I appreciate you sir. Thank you for sharing your skills knowledge and experience

[@brendontait6968]

Cheers, this method will cure all the way through without any problem.

[@lezbody3558]

Thanks bloke definitely learned something new About time someone said how to really use this stuff properly cheers

[@Paul_Marek]

Awesome, extremely valuable info, mate. Just about to start this step on my trailer conversion and you've saved me so much trouble and headaches. Love it. Thx man.

[@brendontait6968]

Cheers Paul

[@phillipsmith6756]

Brendon. We replaced the 3-way fridge in our old Millard van - refrigeration mechanic and sparky done their things. Gas fitter wants the fridge completely sealed of from the inside of the van (only possible to vent outside). Could a 'bead' of expanding foam toward the back edges of the fridge be the way to go?

[@brendontait6968]

Hey, yeah.. it could work. I'm confused why you didn't get a compressor fridge? The foam bead will likely be good enough. It does have a tendency to break up with movement. But if it is all fastened down well enough.. should be fine.

[@sparkister2]

I have an inflatable lid lid for a hut tub, and this looks just the ticket for fixing a slow puncture while also aiding insulation. Now where did I put that old wallpaper stripper.....

[@barbaralinderman]

hello Brendon, I want to fill a few glass Christmas balls with foam so I can make them sturdier. will this spray foam work ? i dont want the glass ball to crack under pressure . I was thinking of just spraying a little at a time, cure, then spray again, cure etc until its almost filled.

[@brendontait6968]

it should work, but not sure how much sturdier it will make them. I'd be more concerned with heat stress cracking them than cracking from pressure. I'd do it to your least favorite one first.

[@thebooduck]

Good video but please never ever use a circular saw using safety squints pushing a bottle with your hand towards an upside down blade 🙃

[@brendontait6968]

That's actually a great idea, I could make a whole video series of alternative ways of using power tools!

[@pete3897]

Heya Brendon. I know this is an old video but I just wanted to say thanks again for the tips that you occasionally upload. You probably won't remember but I commented on another video a couple of years ago where I used your trick of priming a plastic Rodeo guard with a MAP burner before applying adhesive and it worked a treat. That ute guard still holds to this day. And now I am about to modify a KMart steam wand to do a spray-foam repair on a spoiler on the Mrs' caravan! So thanks again for your tips, they're really very helpful. Pete from Nelson.

[@brendontait6968]

Of course I remember you Pete. Glad to hear the bonding went well. With the foam, I'll do an update video on this, something I didn't mention is don't let the steam stop while there is foam in the nozzle else you will toast your steamer. I'm glad you've found my tips helpful, these ones are for the most part from my own tinkering and haven't seen anyone using either of these methods before. I've got a bunch more tips and thoughts to share, I just need to get the time to make some videos. Knowing that people are finding them useful adds to the motivation. Thanks 😊

[@mikepan3449]

Thanks for the video, definitely helpful. I was curious, what if I don't use steam, and just use a plant plastic spray bottle to put some mist into the cavity, and then alternate between foam and mist. Would that also work? Thinking about filling up some small areas of dry wall cavity with the slow rise stuff so it's no longer bloody cold in the winter. Thanks a lot in advance!

[@brendontait6968]

misting water in a cavity will work also alternating between mist and foam.

[@thatfeeble-mindedboy]

What about just introducing your breath through a straw or some tubing as you release the foam? That has to be extremely humid air, and well mixed with no droplets. Might be worth a trial. ..

[@thechumpsbeendumped.7797]

Brilliant to crazy in one video. I was wincing the entire time you were using the circular saw.

[@brendontait6968]

Hey, welcome to my channel. Thanks, I think....

[@thechumpsbeendumped.7797]

Brendon Tait Hi I’m enjoyed binge watching all your videos. Great info. I’ve never seen of the steam method before, is it something you devised? Also, like many others I’d love to know why the Sikaflex failed. Stuart.

[@brendontait6968]

Thanks, I've never seen anyone use it either. I devised it about 8 years ago after foaming a bunch of things, having it take ages to cure and then getting big internal voids due to the foam not fully. There are other methods that people use, however they still take a long time to cure. I'm going to re-do this video showing other methods and describing it more fully. I'll crack into the sikaflex video after I've made decent progress on the truck. Am keen to get away in it.

[@carlmccoy662]

Very interesting steam technique. This also clearly demonstrates how moisture is key to the foam expansion and cure. Something automotive applicators need to pay attention to. In most home applications, the foam would not be totally encapsulated by a vapor barrier. Wood masonry, drywall etc., are not a barrier (vapor retarder at best) and allow the foam to expand and cure. This is what most people use it for and what it works best for. That steam injection technique is a great alternative to a froth pak, especially on a small scale, like most of us need.

[@brendontait6968]

Thanks Carl, I actually started doing it before I needed to foam inside cavities, enough moisture for full cure only seems to get 30ish mm inside the foam and then it becomes open cell and full of large voids. So I recommend this technique anywhere someone is using a large volume of foam in or out of a cavity. Inside smaller cavities you can damp the internals down with a spray bottle first.

[@brendontait6968]

Additionally, as I mentioned... I wouldn't use a froth pak. Google 'sick home spray foam' thousands of houses have made their residents sick due to improperly cured foam. I understand this can happen if the foam gets too hot during application or improper mixing/ratios - something I think is a real risk with that style of system.

[@christinastevenson4901]

Can you use the foam in a air mattress .?? What would the out come be like/feel like or would it just pop or flatten out if used?

[@brendontait6968]

Hey Christina. If you filled an air mattress it would feel like laying on a surfboard. It is rigid foam, not flexible. It would eventually break up and start to crumble inside.

[@beachboardfan9544]

6:18 Why didnt you show both bottles?

[@brendontait6968]

@4:30 you can see it is liquid inside. I'm not going to cut into liquid polyurethane with my saw. It would be destroyed. I guess I could have cut it apart with scissors. You can see quite clearly the internal volume that has set and the volume that hasn't.

[@beachboardfan9544]

@@brendontait6968 Use a utility knife...

[@mgibson4678]

I have a concrete foundation under my house with old air ducting and no crawl space. I am wanting to seal up the floor registers to stop condensation. What kind of foam would you use to do this? The air ducting is in the ceiling now. Thanks for any info.

[@brendontait6968]

Hey, I'd be using something like a semi rigid foam like polystyrene, EPE, EVA etc. (EPE is probably the healthiest - it's the stuff often used in packaging) Then seal the small gaps with this style of spray foam.

[@mgibson4678]

@@brendontait6968 Thank you.

[@asdfsfasdfasd]

Can any of these spray foams be used on car's noise cancelation? How's the sound proofing ability 😮😊 just curious about the possibility as it looks pretty light.

[@brendontait6968]

The foam would be terrible at noise canceling.

[@asdfsfasdfasd]

@@brendontait6968 👍 thanks for letting know

[@brendontait6968]

No problem, sound deadening will vary a lot depending on what you are wanting to do and you application. If you have a big van where the panels are flat and vibrate, foam will support them and stop them from vibrating and creating noise. If you are trying to quieten something that is already noisy, then it wont do a great job. To get rid of this type of noise you have to to what is called impedance mismatching. A good example of this is going from air to a dense object, to lightweight foam, to a dense object. etc. This means that the air and lightweight foam cannot impart much energy into the much heavier layer behind it. This is why sound deadening mats are heavy. The mass of the mat means it will move less when hit by a sound wave. Layering sound deadening mats with felt or foam between will make a big difference. (be aware that foams can break down with it being stepped on etc)

[@asdfsfasdfasd]

@@brendontait6968 thanks for your thorough reply, I appreciate it 🙏, during research, I found a 3M material (tape) that gradually reduce sound by simply stick it on metal surfaces. It's called 3M EDM1016, in my search they are not in the market yet, but I share the information with you 👍.

[@cfauvel]

So the steamer is constantly ON, or do you pull both triggers at the same time? I'm trying to figure out how to to inject foam into a boat stringer. I bought a 3 foot plastic hose wrapped it with wire to make it stiff and plan on drilling a hole near the top, near the closest access, then run the elongated tube as far into the stringer as it can....pull the trigger and pull the tube out every few seconds...But worried as to what you've shown where it won't cure. Going to test my foam in a 2 liter bottle like you did...

[@brendontait6968]

Just leave the steamer running. If you turn the steamer off, the steam in the steamer line will condense and suck the foam back into the steamer. Good luck.

[@NathanCroucher]

This is awesome advice, how about a follow up vid with some more detail of your setup and some examples??

[@brendontait6968]

Hey, thanks. Yeah I have been meaning to do a followup video. I have a few different techniques to add to this.

[@NathanCroucher]

i had no luck with this method, i used the same steamer but the pressure may be too low as its an old one. The foam seemed to get stuck and come out the needle hole as well. Either very little come out the end or too much. Needle was also very hot so made pulling trigger down difficult, and was pulled down on an angle. Also i noticed when testing before hand pressure looked ok, but when i put finger over foam intake of dispenser the pressure seemed to drop. I had needle end after the foam intake, so it would have been pulling then pushing foam. Does it have to be steam air, could an air compressor be used instead? Will have another crack at it, its just too good an idea to give up on. @@brendontait6968

[@jenniferchristenson4200]

I want to fill a 12 inch beach ball this is the first video or blog that explains anything close. Tysm! But can I use any spray foam? Does it matter if it says 1inch gaps? That's just what I have I was hoping to not buy more. :)

[@BillLaBrie]

Holy shit, man. Bonkers from start to finish. Glad you survived. More dangerous content like this, please!

[@brendontait6968]

Haha, thanks... some didn't approve. With regards to the saw, it is only battery powered, so no need for any safety equipment.

[@minadhikari2867]

Hi Brendon, what would be the melting point of the foam after cure (I mean for the good form that you showed in this video)? Any idea or any reference to look into.

[@brendontait6968]

Polyurethane isn't a thermoplastic, so it doesn't really melt. It just starts to decompose. Regulat urethane will be good for about 100C but I believe you can get some high temperature urethane that is good for around 150C. Things like steam will kill it tho.

[@JiluMiah-ek2rd]

Great instructional video. Straight to the point!! Thanks

[@Hipporider]

Worried about isocyanate, cuts bottle open in very unsafe manner, without eye protection as well. 🤣🇦🇺. Great video, btw. Subbed for a while now.

[@brendontait6968]

haha... well to be honest... and this is something that people often don't see risk.. would you rather lose a finger from a saw or yr life from cancer?

[@robt6835]

So, just to be clear, you're spraying water vapour in through the small needle tip at the same time as spraying the foam? Could you be a little more specific on how much water vapour to use?

[@brendontait6968]

Steam, I'm just using a 2nd hand one of those household steamer/cleaner things like this www.amazon.com/Shark-Deluxe-Portable-Pocket-SC650/dp/B00HZCY26O

[@thatfeeble-mindedboy]

Search "Polti Vaporetto steam" on Ebay. Years ago I caved in to a 3am infommercial (which I never do) and bought one. I resisted until they showed using it to clean the top of a refrigerator door gasket - the accordian style. I think they MAY have pumped some simple green or 409 on it first and let it sit for a minute, but then when he strafed that gasket with the regular nozzle tip, and pushed this tsunami wave of crap down those creases out past the end into a waiting rag ... That's what did it .. I pulled the trigger, worried about spending the money, but any way, Crumbs, dead gnats, dried chocolate syrup, dried jelly, you name it, it all came right off, and left the gasket virtually dry, but I like to follow with my little 1.5 gal shop vac "hang-up" with a crevice tool ... Hit it with some Armor-All, and it looks like new. Whether you use it like this video shows, which I think is genius, I use mine to cured regular cyanoacrylate glue all the time - but my main point here is that after all these years, its some of the best money I ever spent. Its one of those things that you wonder how you ever did without it. I'm on my second one now as I literally wore my first one out. They will tell you that you can use tap water, but if you have hard water, don't do it. Use at least half distilled water. I use half distilled and half filtered. If I have my steamer, my little shop-vac and my SPIN MOP, I am invincible! Lol ... Good luck!

[@johnmaciejewski4]

Brendon Tait I like this video very informative. Could you give me more information on the spray foam you used. I am going to do my van and I have some deep voids I need to fill and I think your process will work for me. I would copy your demonstration with tests of my own in the plastic bottles to make sure I got the process down before I put it in the van but if you could give me the link to the product I would appreciate it Thx in advance

[@brendontait6968]

@@johnmaciejewski4 I came up with this idea a few years ago when I had to foam fill a prototype I was building. Even though it wasn't in a cavity, I found that the foam only cured a couple of cm deep then would have big porous holes. I've used that method for years with different foams and not noticed any adverse reactions (not to say that will be the case with all brands of foam). Just try what foam is available and cost effective. Like I said, I've tried a bunch of different foams previously without problem. Check for any unusual odors from the foam post cure.

[@TonyWesley]

@@brendontait6968 I went looking for that model steamer and found it was discontinued. A little searching and I found a "used" one (the box appears to have never been opened) for $30 US. I'll report back when I've used it. Thank you for this video. I don't think I've found anyone else demonstrating this technique.

[@19261577]

I have just bought a 2nd hand Van few months ago. The older owner started to convert but did not finish and sold it. He insulated whole interior with a spray foam... Do you think I should keep it or just try to get rid of the spray foam...And ofcourse the second choice is very hard I mean to wipe it out...Nearly impossible I guess since it applied directly to the metal..???

[@brendontait6968]

I would keep the foam in. One of the major issues that made houses uninhabitable was the foam being applied too thickly. In a van, the walls are significantly thinner so less heat could build during curing. That doesn't mean that the components were adequately metered tho. Have a good sniff and see if the foam has a smell. If you want you could send me some foam to test for dangerous outgassing. If you are concerned, I would be inclined to use something like a mylar or thin aluminium barrier which would work well as a vapor barrier anyways. Sealed up properly with aluminum tape... and it's not likely any fume would come through.

[@19261577]

@@brendontait6968 Thanks for the information.How can I send you the sample? A small piece will be ok?

[@brendontait6968]

@@19261577 no problem, message me on Instagram

[@brendontait6968]

@@19261577 contact me on insta

[@coachgeo]

well it has been 2.5yrs.... you still feel the steam is necessary based on changes in the foam chemistry's since then? You mentioned doing an update video. Looking forward to that. I subscribed once saw the Mog lol. Had one (dieselized 404) now have an LMTV

[@brendontait6968]

Hey... yes, unless the foam has two parts... it needs the second part to cure which is moisture. It will not cure in a closed space by itself. Should get around to an update video in a couple months. Cheers

[@coachgeo]

@@brendontait6968 have you thought about a two part types in same type garden sprayer bottles?... . Put a Tee in line of one of the bottles from the other bottle..... . pour equal amount in each bottle for 1.1 . pump each bottle up the same number of strokes and .... ........... give it shot..

[@shaunmcinnis566]

Skill saw “don’t try this at home kids”

[@12vLife]

I think this stuff will expand even more over the next 3 days. I'm building an 8x8 metal arched metal shed and looking to fill 2 inch space between my paneling and the metal exterior (Yeah I have no intention of ever taking it apart). In all I think I need to fill about Four 4x8 panels x 2 inches ( I think about 800 cubic inches). Possible with cans? How many?

[@brendontait6968]

Once it has cured, or set hard.. it will no longer grow appreciably. If steamed it sets hard in 5 mins. Now... I have to talk to you about units. Feet, inches, cubic inches.... 🤦‍♂️ please, come to the dark side. Imperial units are the worst to figure anything out with. This is why pretty much the whole world is metric. It would seem you may have made an error with your maths (I'll blame the imperial system for that) I get about 32,000 cubic inches... a bit over 500 litres. I think it would be possible with cans, but think you'd likely need around 25 cans. Make sure you practice before committing.

[@barryjenkinson9152]

Ironic to be talking about safety.

[@brendontait6968]

No fingers were harmed in making of this video.

[@johnmichaels4330]

Don't be a pu$$y man

[@willbuckley54]

This is all very innerestin' - but what are those strange plants behind you?

[@brendontait6968]

You mean the banana trees? 🍌

[@willbuckley54]

@@brendontait6968 I'm from the UK - we don't see stuff like that. Fantastic.

[@markduyvesteyn]

Hey Brendan, great idea with the spray foam + steamer. Do you reckon you get a decent yield volume from each can using that method? Looking at doing a whole shipping container - doing the sums it looks like you get 30l per can for about $20. So about 35 cans for one container, for 35mm coverage.

[@antmarino9635]

I just tried to fill some cavities in my van build and the foam didn’t dry. I tapped off a large hole and filled the cavities and left it over night, when I came back to it this morning I peeled off the tape and it was dry, I had to cut it back a bit to refit the tail lights and it exposed some air holes and then all the shit started leaking out and continued to leak out all day and expand on the floor of the van. Do you think I need to add moisture for it to work in the cavities? Cheers mate.

[@brendontait6968]

Of course... keep it moist!

[@shahjahan5597]

you need to use proper protective equipment man...

[@fritzfromswitzerland]

Thanks for the great information. I have already filled my van cavities with foam the wrong way. Is it dangerous for my health?

[@brendontait6968]

I think it will fully cure with the moisture in the air eventually and you shouldn't have any residual after a while. Keep good ventilation going in yr van and it'll be fine. Ventilation is key to a healthy living space.

[@handyjayes1]

I didn't see anything showing how the foam and steam machine work to get the job done correctly. Only saw the steam machine stand alone, a can of foam and two coke bottles??

[@CannabisRex]

Neither did I. Nor did it show the two brands of foam or whatever that demo was with the two soda bottles.

[@nikmills]

I'm thinking of insulating the walls on a manufactured home by spraying into holes drilled in the walls. This gives me pause.

[@haqk4583]

I see you've got your safety squint on. Good job.

[@Jped277]

Hey man this is awesome. Do you have any idea what PSI this will generate if in a tire? I love ur steam idea. Just need to know will it create 50psi or more? Less? Idk. What do u estimate it did in the bottle?

[@brendontait6968]

Hey, thanks... I'm pretty sure the pressure won't be anywhere near 50psi, I'd think closer to 10 but I've been wrong before. The pressure in a tire would be fairly irrelevant if it had rigid foam in it?

[@Jped277]

@@brendontait6968 that is true. However the tire I have is a 6x1.25 Inch folding bike tire. It recommends 90psi to run normally. Idk how ridgid the foam will be unless one injects steam in with the foam while filling.

[@brendontait6968]

I'm not sure rigid foam in a tire is a great idea... it will degrade and turn to powder. If you are trying to make a tire that won't go flat, you could try a two part flexible foam - tho you'd have to have a decent setup, the reaction is generally pretty fast. But there are plenty of semi solid puncture proof bicycle tube around for not much money?

[@Jped277]

@@brendontait6968 true although I haven't found many in 6x1.25 inch

[@wouterke9871]

Incredible. Who are you?!🤔 teaching us all the ropes of all industries

[@brendontait6968]

Just a tinkerer, lots more to share...

[@quakenerd6068]

How would I use this to fill an 20 in. inflatable toy

[@brendontait6968]

I don't really know sorry. I would think it's unlikely to end well. The foam would likely breakdown and crumble over time. If I were to try it, I would do it with the steam. You'd need several bottles and swap them quickly as the foam sets quickly when used with steam. Practice with some plastic bags first.

[@budte]

Interesting. Hope you do a video on how not to use a circular saw.

[@antonioelizondo3180]

What steamer are you using

[@brendontait6968]

That is an old shark pocket steamer. I'm going to re-do this video because I dont think I explained it well enough. A few people on here have not been able to make it work. What are you hoping to do?

[@solarnator]

@@brendontait6968 YES PLEASE! would be awesome if your next video update on this was using a van or bus roof. They have lots of cavities and #vanlife is trending :)

[@gerodnielsen805]

I use to fly all the time for work. I am a finish carpenter. Me and my brother were flying to a job. And he had just bought a dewalt cordless combo set. And put it in his roller tool box that he would fly with. He had a can of foam in it. It exploded. The Belly of the plane isn't pressurized. It filled the hole box and ruined most the power tools.

[@brendontait6968]

Crazy... who would have thought or expected?

[@ranat5526]

Thanks just what I needed as I am using polynor which is quite expensive compared to canned expanding foam.

[@brendontait6968]

Hey... no problem. I also buy surplus/expired cans. You can get them for a fraction of the retail cost. Have never noticed any perfomance issue from old stock. (There is a chance they get to much separation in them to mix well when shaken... however, just shake a bit longer)

[@JakeEarp]

great demonstration! I'm not the safety police by ANY means, I do dumb sh*t all the time. But watching you cut that bottle was hard to watch. I thought for sure that was going to end badly. at least the camera was rolling film! 😝

[@brendontait6968]

haha, thanks Jake... I'll cover this in a future video - this was a test to my audience to get a feel for peoples perceived danger/risk levels. There are safer ways I could have cut the bottle, but I couldn't think of any other ways that would have made people feel much more uncomfortable. I feel a chopped off finger would be as bad an injury as that technique could yield and I see that as a fairly minor injury and nothing to get too worried about - believe it or not... I've chopped a finger off before and although it was fairly uncomfortable for a couple of days and brought some small annoying inconveniences for a few weeks. It really is very minor on the spectrum of injuries.

[@rockabillychuck]

Nice video with supporting science. Can't wait for the next video.

[@brendontait6968]

Appreciate the comment. I had intended to do a bunch of little videos like this but the video didn't get many views etc early on so haven't invested the effort in planning any more. Comments like yours give me a bit more motivation to revisit the idea. Thanks

[@stevebounds4285]

I had NO idea the difference that would make.

[@johnburns2940]

Incredible info. Thanks Brandon. Cheers from Canada

[@brendontait6968]

Glad it was helpful! Will be doing a few more vids like this

[@carpenterfamily6198]

I’m just not sure what that repurposed steam device was.

[@brendontait6968]

Was an old steam mop thing, made by Shark

[@zopzop8747]

Death metal blood^gut artwork, after cut of some otf these bottles lol CHEERZ!

[@Surfingaliens65]

I learned something. Expanding foam when cured is stable until cut. In other words the dust particles are an hazard in themselves. I see others have already picked up on the circular saw so I won't go there. There are way too many DIY videos with terrible safety practices being uploaded. Please be ever mindful of safety thanks ✌

[@brendontait6968]

Hey Chris, thanks for the comment, it's generally but not always inert when cured, improper mixing or high temps during cure can make it outgas. kzbin.info/www/bejne/ZnnLZoCPq5yfjcU appreciate the safety concern... but you might want to avoid some of my future videos if the saw bothered you.

[@Surfingaliens65]

@@brendontait6968 I used to paint industrial Fire escape Cat ladders without a harness. I used to break the rules when I was younger. Mind you, back in the 1980's Health and Safety was only beginning to become a thing now you have to take a safe pass course before setting foot in a building site.

[@firebird5288]

Interesting video, as I've been asking around to some people if some types of spray foams could be used as structural support for cars. There's some foams that you hand mix two equal parts and it comes out very light, but extremely strong. It would be interesting if someone put foam in a car's roof, then flip it around or drop it on its roof from 5 or 10 ft and see how it holds up.

[@brendontait6968]

Most polymer foams are not particularly strong, the majority of it is gas. The rest is a polymer (normally polyurethane) with a fraction the strength of steel. It could help structure in some ways... but maybe not so great with impacts. An example of adding strength would be if you were to get a coke can, they are fairly strong, but as soon as there is a deformity in the skin of the can... the strength disappears. If you were to fill a coke can with foam, this would reduce the ability for the skin to deform and it would allow the can to hold a lot more weight. However... in an impact, the skin would deform and you are left with the strength of the foam which isn't great. I've played with a lot of 2 pot foams previously. They have varying physical properties based on their density and plasticity, but I would not consider them strong. Obviously as you increase in density the strength will increase. Some things that you wouldn't think of as foams like the front of some ATM machines, CT machines or the inner wall that you see on aircraft. Are a fairly tough foams (Altho they don't appear as a foam) but they are very dense with not many gas voids.

[@brendontait6968]

Forgot to mention also... metal foams are coming soon, they look like they have phenomenal properties.

[@stevegraboff1990]

Bloody brilliant!

[@thylacine1962]

How cool was that vid? Aaesome experiment. Great finding.

[@brendontait6968]

Glad you enjoyed it

[@nikmills]

That's very interesting. And a brilliant solution.

[@easyguitarlessonsgrandpaal9126]

Stay tuned ladies and gentlemen...in the next video he self castrates' using a jigsaw with a dull bent blade. Cheers!

[@jenniferchristenson4200]

Also will thi ruin my steamer? :)

[@brendontait6968]

If you stop the steam before the foam it will ruin your steamer.

[@user-Blaxit]

Oh wow your absolutely correct How silly of me questioning his professionalism and safety.

[@fredcdobbs823]

Can you make custom shoe trees?

[@brendontait6968]

I don't really want to Fred.

[@fredcdobbs823]

Thanks for the tech info, I can see why the Nikes & others adapted it for their new athletic shoe shipments - cheap & effective.

[@truusjenskens8485]

Mate you can't show this to kids, i mean the way you use that circular saw....is that's how it's done in New Zealand?

[@brendontait6968]

You mean in your country that you don't use a saw like that?

[@Butterball3588]

5:53 Use a handsaw or a bandsaw for that job! Good Lord, man, you could have lost your fingers doing that!

[@brendontait6968]

That's actually a pretty good idea. I don't have a bandsaw, but I have a chainsaw and that's pretty much the same... great idea, I'll use that instead next time!

[@dlakatos847]

Using power tools like that should be illegal :S

[@brendontait6968]

Why?

[@dlakatos847]

@@brendontait6968 You are lucky no thumb has been cut off.

[@brendontait6968]

I'm not sure if you believe me, but I've actually cut my little finger off at the base before. But it's no problem, the hospital is just up the road. They managed to put it back on no problem and you'd never know the difference.

[@dlakatos847]

I believe you. Please show KZbin how one can learn from their mistakes and take good care of your safety. Lots of us will like that. 👍 Keep up the good work, cheers!

[@brendontait6968]

Have a look at my battery build video, you might enjoy how safe I am when testing batteries, I even put shoes on! kzbin.info/www/bejne/oYrbYWxtmLuFapo

[@Scorpio-tn4vy]

Stop squinting, you've got sunglasses on your head. 50/50 mixture. Its not supposed to displace water but it is water repellent. We learned you about screwed yourself with that great saw kdea.

[@tommyian4984]

Jeez bud, great information & helpful but you shouldn't be let loose around a skil saw,

[@brendontait6968]

Cheers mate, still have all my fingers and use one several times a week - astonishing rite!

[@jonjimihendrix]

Sir, we’re going to have to revoke your saw license.

[@brendontait6968]

You'll probably find this hard to believe, but I always kept failing the practical, so I use it unlicensed

[@neilblackman2965]

Good info , thanks for sharing.

[@shhs1791]

you have to be lucky to have all your fingers in the number

[@brady72.]

Part 2🙏

[@brendontait6968]

It's coming...

[@Sim-Rig]

Action at 6:05

[@edwardsjeffreyj]

Great video

[@brendontait6968]

Thanks Jeff

[@trunksy]

I wouldn't recommend anyone else try this. I bought a steamer to try this out and the foam just backfired into the steamer. Now the steamer is clogged and won't put out any steam and I don't know how to clean it out to use it for anything else. Besides it backfiring into the steamer hose, it also backfired through the hole I made to insert the inflation needle as well as leaking through the duct tape I used to secure the inflation needle to the steamer hose. There has to be a surefire way to make this work without ruining a steamer and wasting money and a can of foam.

[@brendontait6968]

Lol... I'm not sure how you did that, I've been doing it for years and likely approaching 100 cans all with the same steamer, never had anything close to what you describe happen. I guess there always has to be someone... Did you stop the steam flow while the foam was being delivered? If you aren't confident with steam you can use a water sprayer and spray water into the cavity, put wet strips of paper or maybe just hire a professional if you need spray foam. I will do a future video showing different ways of accomplishing the same things with and without a steamer.

[@trunksy]

@@brendontait6968 Yeah, I guess it wasn't clear in the video that you ALWAYS have to start the steam first before you start the foam. I used a different foam product since I'm in the states. They sell a product called Loctite and the plastic that they make the head nozzle out of is much harder than the Gorilla Pro that you have where you are so the sharpened inflation needle wasn't strong enough to puncture the back of the head nozzle. I had to use a utility knife to start a hole big enough and that may have been my problem. With one hand on the bottle trigger, the other hand on the steamer trigger and foam oozing out parts other than the end of the nozzle straw where it should have been coming out, it took a lot of coordination for a first timer while standing on the end of a ladder to fill a small roof cavity on a house.

[@brendontait6968]

I'll do another video in the next few months. I havent done many KZbin videos so is good to get feedback like this. I normally tape the trigger on the steam so it's constantly blowing steam out the end and the foam only comes out when I pull the trigger, I think I showed this? With anything... it's probably best to get a good feel for what you are doing a d practice in a comfortable place rather than trying first time balancing on a ladder in an awkward space.

[@ethanm2940]

Brendon Tait l

[@eskanderx1027]

Brilliant.

[@brendontait6968]

Cheers, might do a followup on this sometime soon

[@aaronwilkinson7477]

Man that part with the saw... 😲😬

[@brendontait6968]

Who would have thought after doing that sort of thing for decades, I still have all my fingers....

[@samuelkatherinediozarago7692]

Tried this and failed miserably 😢

[@brendontait6968]

I'm going to make another video on this. Let me know what went wrong and I'll try cover it off.

[@samuelkatherinediozarago7692]

@@brendontait6968 the pressure backflushed from the plastic. Also went too hot and melt the plastic later on. And even after a lot of trials and redos, it never went like your one.Maybe foam type?

[@johnturnbull8573]

Very cool!. Your are a clever bugga!

[@brendontait6968]

Thanks... lots more of this sort of thing to come. I think I might wah on about chemicals and their effects a bit more towards the end of most of these sorts of videos. News like from Simone Giertz today is just getting too common. That way people who want to know more can stick around till the end and become better informed about the environment they choose to make for themselves...

[@arcticviking7102]

Fantastic videos! Thanks

[@brendontait6968]

Thanks viking

[@danielobriot3116]

Sounds like the Red Green Show

[@vhenriquez240277]

hey bro, take care about your hands

[@rollypollyguy3976]

Petro will clean it off squeaky clean

[@gefiltafish2187]

Dude.. your foam spray method was this close to become body parts spray methods. Gloves, glasses.. and some bloody basic anchoring for that quickie limb remover tool over there

[@brendontait6968]

Amazes me how people get concerned about the possibility of losing a finger or two (I've got plenty), but no one bats an eyelid when it comes to breathing isocyanates or other potentially cancer causing chemicals. Due to the general apathy society shows toward this sort of thing, cancer now affects 1 in 2 people in the western world. Thanks for the comment =)

[@mattischlese5385]

next time use old news paper to protect your soil mate, keep it green

[@michelevitarelli]

Safety last!

[@drewjohn6847]

Fuck me, how on earth have you still got all fingers, and sight?

[@brendontait6968]

I actually chopped one of my fingers off once, luckily was able to stich it back on! Phew....

[@andydaddy2009]

should be "we're gonna die from FOAM" or "Can you foam you house made out of pop bottles?"

[@SherrickDuncan]

SoOooo0oooo you're saying that I should gather as many plastic soda bottles as I can and fill them with marine floating spray foam insulation and fasten them together with net bags placing dirt and grass on top of that and place them into the ocean at the equator in international law free waters making myself Emperor and Great King of my own Mobile Floating Island Micronation? Or am I just tripping?

[@brendontait6968]

You're deff not tripping... You are actually the first person to see the deeper meaning in my video!

[@SherrickDuncan]

Brendon Tait 😀😃😄😁😆😅🤣😂🤭 Yes well, Great minds and all that. 😏😉😎 ✊🏾🧔🏾

[@brendontait6968]

Live like a king brother!

[@SherrickDuncan]

As a King. 😉😏 ✊🏾🧔🏾

[@Weird_1]

That was the most dangerous shit I’ve seen with a saw in a long time.

[@brendontait6968]

Subscribe to see more!

[@paulogilvie7072]

Thank you... Very interesting

[@brendontait6968]

Thanks Paul, in the future ill be putting up a bunch of other info along these lines

[@killiansmithy]

Good info thanks 👍 mind them fingers.!

[@brendontait6968]

Always! Still have 10!

[@user-Blaxit]

Dude watching you cut the bottle open is hard to watch OMG!!!

[@brendontait6968]

It's only a battery powered saw, you don't really need to be that careful with those. They are just toys. I've chopped fingers off before, it's no big deal. You just put them in your pocket and walk up to the hospital, they normally stitch them back on fairly quickly.

[@shhs1791]

you have to be lucky to have all your fingers in the number

[@rickharding7209]

My god man, you make a chainsaw mounted on the end of a stick wielded by my 10 year old daughter on a sugar high look safer than that table saw you made out of your circular saw..... that use of a circ saw... Pondering the problem for a few more seconds might have revealed a better way to do that, but hey, you can lose a finger, good lord saw fit to bless you with 9 spares... Other than the OSHA violations, great vid!

[@brendontait6968]

Cheers Rick, a lot of people worry about the way I use a saw. I've only ever chopped one finger off and they managed to stick it back on with no dramas. Am also within walking distance to the hospital so there is really nothing to worry about. I do however find it curious how people seem fixated on how potential finger amputation seems worse than chemical sensitization or cancer. I'm sure if I ever have children they will be just as concerning as yours running around the yard with chainsaws on poles.

[@the_superb_owl]

@@brendontait6968 So you legit lost a finger and still cut things like that?

[@brendontait6968]

Correct