101 Roofing - How to lay down a Torch Down Roll and Torching technique

[@Nectarman]

I was a commercial roofer for 6 years and only did torch down. This is atrocious to me. Here in Canada to follow code you have to torch on wall flashings and cannot just simply torch your field up the wall. He cant even peel the packaging tape off the roll which will have a chemical reaction. I know he doesn't embed granules because there is nothing to embed. At that rate he'll probably finish the roof in 2 days and walk away with 15k in his pocket. You have some balls on you for displaying your hack job.

[@tylesveque2373]

No doubt I've been in the flat roofing for 25 years don't know how this guy gets business

[@huntma3787]

what do you mean torch on wall flashings, seems like he torched as far as he could and them tucked it.

[@qtheqman3341]

@@huntma3787it’s called base flashing. You can’t run your field roll up to the wall and call it a day. Usually you run your field up past the cant strip a couple inches and then cut it off. After that you must measure at least 6 inches from the edge of the cant strip out and pop a line. Then you must prime or degranulate with your torch and apply your base flashing. Often times the same type of roll is used when flashing. In my experience, we use the white cap for the field and the veral aluminum for the base flashing! I torch lots of Siplast! 👍🏽

[@ManuelSalazar-jw8hp]

​@@qtheqman3341yes you can dick at least 4 inches no more than that

[@Brandon-no3vc]

Thanks doc. Why is the base sheet turning black in a bunch of spots? Melting from sun? Is that bad?

[@eliasmoreno8668]

Y donde están los clavos con tapa de metal??

[@Fiddlingflynns]

What is better for DIY, EPDM or torch down?

[@igorvaysman6731]

awesome , what kind or name is the underlayment called? thanks

[@justme-yj3bu]

Hi, I watch your videos all the time and I have a question, can I install torch down over rolled roofing that is already on a mobile home roof? Thank you!

[@FlatRoofDoctor]

Yes you can! Just make sure the existing membrane is well attached on the edges

[@vasili_pasioudis]

How many KG/hr does the propane gas regulator need to be, will a 8KG/hr 0-4Bar regulator suffice? Thanks.

[@lucescuemanuel]

Nice work! Thanks for sharing. Can butane gas be used to torch down?

[@FlatRoofDoctor]

I am sure it can be used, but I would assume it is expensive. You need a high output BTU torch to heat up the surface evenly. That means a big flame, but when you do detail work then you need a small torch, I think that is where the butane torch will work

[@stephenlewis7342]

Butane doesn’t burn hot enough, You need high levels of heat very quickly otherwise your risk the chance of a failed bond. Propane burns far quicker and hotter.

[@stephenlewis7342]

It’s got nothing to do with weather you’ve got a small head on your gas torch or not.! It’s all about getting that heat into both surfaces simultaneously. Some people use a long neck on the gas torch and some a short. Also which side of the roll you stand. It’s the even heat dispersed across the roll and under- layer. I personally use a detail lamp ( Torch) for everything. The secret is in the detail,not the quantity. Steve Lewis NAWFRS 2008

[@lucescuemanuel]

Thank you for answering! I found out personally. First I bought a butane gas bottle, attached blowing torch, but it seemed that had no power at all like the torches from your videos. Finally I bought a propane bottle gas and it was mind blowing the difference, just like in your videos, it had the power to melt quickly the membrane. Butane gas is for home use , like cooking, for barbeque.

[@laxkid6783]

@@FlatRoofDoctor STFU U DONT KNOW WHAT YOUR DOING. U JUST PROVED IT IN A VIDEO. DELETE THIS SORRY SHIT BEFORE SOMEONE BURNS A BUILDING DOWN

[@grayer2086]

Look at the ripples in your mineral sheet 😳😳😳

[@stephenlewis7342]

The bounds on the different layers have not been broken,your only partial sticking any of those membranes and I’m surprised you haven’t burnt any buildings down yet.!! Call yourself a tradesman,I beg to differ. Steve Lewis ( NAWFRS)2008

[@fgreezy]

honestly..... so bad im tired of commenting on all his videos. this is so bad it's insane. I dint think in the hundreds of roofs I've been on or replaced, habe I ever seen work done this bad.

[@smudger304]

Out of all the videos I've watch on this channel (and I've watch a lot of them) I haven't seen a single good example of technique or workmanship.

[@stephenlewis7342]

You’ve got to heat across your roll evenly not very little heat on the underlayer and more on the lap of the mineral. The UK is the motherland where it all began and the rest of the world has followed as a result. It’s like Chinese whispers it seems ,the most important elements get missed out. Less talking about the job and more time spent learning about why we do the things we do within the trade. It’s a science and unless you understand how it works and why, there is know logical reason for doing it wrong. I’ve worked alongside Canadians in the past and it was long before I realized they really didn’t understand why they do what they do.!! Call yourselves journeyman the best worldwide supposedly. I beg to differ,this title is only as a result of knowing just a little bit of each roofing system. But definitely not a master of one of more. Give people quality not quantity. We only see this particular standard of work amongst the flyby nights in the UK🇬🇧and that’s the gypsies community unfortunately. You wouldn’t last 5 minutes in the UK.🇬🇧 I say this because I’ve earned my credentials after 37 years within the trade. Also a recognized award winner as a sole contractor for quality of workmanship awarded by the National federation of roofing contractors. Which is now the main governing body The Roofing council in the UK.🇬🇧 Steve Lewis NAWFRS 2008

[@Ripster38]

that little thing is called a transition

[@grayer2086]

And you have cross bonded the felt

[@adammaster122]

How do you do an inside corner? Mine transitions into the siding. What do you run up on the vertical surface? All 3 layers? Then compression bar? Do you Mount the compression bar underneath the siding on the sheathing if you're redoing the siding anyways or does it have to be on top of the siding? I'm guessing you use OSI quad?

[@michaelkotrosits4371]

Don’t let this guy anywhere near your property. He does so many things wrong. I have 44 years in the commercial roofing industry.

[@johnbernacki6155]

38 years myself, this guy is a hack

[@theqman4136]

You guys torch backwards

[@carlosdavila2110]

TWO GUYS AND A PICK UP TRUCK - RUN - RUN form this clown

[@johnbernacki6155]

Agree 100%, this clown keeps saying he does a lot of work in ct, I was in roofers local 9 Hartford for 36 years, he does work for people that know nothing about roofing, I never see him on a school or college, courthouse, or any company with money, and he thinks he’s the best roofer anywhere, smh

[@manuelsilva4282]

Sometimes when roll is too hot you can't step on it

[@FlatRoofDoctor]

correct

[@pureblood6492]

with sbs you need a cane but app you can walk on his field work was excellent most people get way too much bleed and it looks like garbage.

[@Imthatdude8819]

@@pureblood6492 you've probably never done warranty work then. Every manufacturer wants a big bleed out, seperate wall flashings. I bet you I could peel his work right up. Especially the seams. I'd rather have something that will never ever leak vs "looking good" and almost nobody is going to see anyways. I work in one of the biggest roofing unions in the U.S by the way....

[@pureblood6492]

@@Imthatdude8819 it the same with too much seam tape showing on epdm your seam will be weaker you should never exceed 3/8 of a inch when doing torch down.

[@Imthatdude8819]

@@pureblood6492 epdm and torch don't even compare. Epdm is a garbage roof. Tell that to the siplast inspector I'm working with right now. He would have a shit fit. He wants 1/2 in minimum bleed out. Also he almost lost his mind because my coworkers weren't heating it up enough so you have a small puddle in front of the roll. I know this guy doesn't do manufacturer warranty work, he has admitted that he warrantys it himself. I would never ever ever ever use flashing cement to connect torch to the drip edge metal/gravel stop. It's called asphalt primer. This guy doesn't believe in it because "it's a small layer" he said in another comment. On top of that your supposed to strip it in with base and then go over it with cap sheet. I think manufacturers know more then he does.

[@carlosdavila2110]

Torching from the wrong side of the roll !!!

[@stephenlewis7342]

Roof doctor which doesn’t break the bound on the laps between the base layer and top lay ( finished Layer) What school of roofing did you go too. I cringe to watch you guys working with those gas lamps, I’m surprised you haven’t burnt any building down yet.!! It’s ok saying you can felt any roof and think you can be good at it. But do you know the science behind what you do,and why you do it. Steve Lewis NAWFRS 2008

[@Brandon-no3vc]

Obvy this guy knows what he's doing and your just learning, You have no videos whos gunna take you serious your wasting your time

[@nonsheep5823]

Yes your right im a torch on roofer in uk its not how you do it properly I always start either half a roll of underlay do my mineral laps are correct bond and prevent build up on laps