My Custom Subfloor System (And It’s Cheaper)

Today I'm installing the subfloor at the basement project, and I'm using a custom system that is easy to assemble and cheaper than the products you'll find on the shelf at the box store. Flooring tools 👉🏼 USA: geni.us/r3RwSh (Amazon) Canada: geni.us/xTgvkhD (Amazon)
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Videos produced by Home RenoVision are provided for informational purposes only. All material provided within this website is for informational, educational, & entertainment purposes only. Some of these projects, materials, and techniques may not be appropriate for all ages or skill levels. The DIY instructions used here are used to simply breakdown projects to their simplest steps. Please use a clear mind and use all safety precautions while following the tutorials provided by this site. Home Renovision does not make any claims of the safety of the projects, techniques, or resources listed on this site and will not take responsibility of what you do with the information provided by this site. Viewers must be aware by doing projects on their homes they are doing it at their own risk and HRV cannot be held liable if they cause any damage to their homes. With different codes around the world and constantly changing standards, regulations and rules, it is the sole responsibility of the viewer to educate themselves on their local requirements before undertaking any sort of project. That being said HRV cannot claim liability with all applicable laws, rules, codes and regulations for a project. Be safe, have fun renovating and ALWAYS stay informed with your local building code.
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[@jesinu]

Whenever I'm getting salty or overwhelmed about my own house projects, watching Jeff take things one step at a time with a been-there-done-that sense of humor really helps me get back into a proper mindset. Thanks Jeff 👍

[@HomeRenoVisionDIY]

we all get frustrated. Constantly remind yourself that you can do this and it will always be better then hiring out and it will always make you money, and it will always make you more competent for the next project. Cheers!

[@RonRivet]

@@HomeRenoVisionDIY you really helped my confidence in doing our bathroom. Removed tub surround and installed Prova board, waterproofed properly and installed subway tiles. Looks great! And you're right, a laser level is a game changer!

[@danielakerman8241]

I’ve worked with several contractors on my home. Jeff makes them ALL look like incompetent, unprofessional, uninformed crooks. When I’m explaining construction science to my contractor, you know something is deeply wrong with the industry.

[@jamesont6472]

Thankfully I'm still doing some demo so I can take out my frustration on some drywall 😅

[@owenstevens6658]

I love this guy. Honestly, makes me feel so much better about home renos. Thanks for making these videos!

[@HomeRenoVisionDIY]

Glad you like them! Cheers !

[@stevenhauser653]

I am a tech teacher (shop) , I think you taught me how to explain steps better. You are simply amazing that you are truly showing how to perform a skill/ task and not putting on a performance. Also I love how you stress crafstmanship, something that is lacking nowadays.

[@khg8256]

Thank you for being a teacher.

[@marriedGary]

Still some of the best home renovation video content out there. I really appreciate the shorter videos especially if I’m in the middle of a job but I do love the long-form videos as well because I feel like I’m part of the process and I absorb a lot more information and knowledge. Either way the content is excellent thanks Jeff.

[@johnbagewll2321]

I remember when I used to have knees. Those days are long gone, long gone.

[@neepsmcfly4176]

I began watching these vids for the info but sub'ed for the entertainment! I esp dig the anticipatory pause and facial expression that suggests "pay attention here bc this particular bit was learnt the hard way!" as well as the self-effacing moments that, instead of being edited out, show him blowing away the forgotten dust, for example. Your straight-forward "work smarter, not harder" ethos immediately connects with the observer! Kudos, Jeff, and thank you for your confidence-building style.

[@RobertLuciani]

Hey Jeff, Thank you for all of your videos. As a first time home owner on a strict budget, I just finished remodelling my pantry. Which involved framing a wall. Drywalling. Taping. Mudding. Repairing all the other walls. Plastering other walls. Tiling and grouting. All of this I learned from your videos. Thank you so much. And I look forward to more videos and more projects to do around the house.

[@HomeRenoVisionDIY]

Nice work! Cheers Robert!

[@DMacDaddy]

I always like your videos and delivery, Jeff. Both keep the video short, simple to follow, and easy to remember. Your editor does a great job too!

[@HomeRenoVisionDIY]

I appreciate that! Cheers Derek!

[@diceonamay]

I got an entire basement finished and got a lot of help from your videos!

[@HomeRenoVisionDIY]

Great to hear. That is why we make them!

[@chriskhall]

Likewise. I used the dimpled plastic

[@elrey8876]

I made an entire sex dungeon thanks to these videos - soundproofed and all!

[@mpxz999]

You're so good at what you do. Building, teaching and especially motivating. You're awesome!

[@BTPO]

Every weekend, I got to Jeff to INSPIRE/MOTIVATE myself. Your the greatest Jeff!!! Cheers

[@dr123hall]

This guy is the real deal! Jeff for president!

[@chris259charter]

I appreciate you Jeff. I do this stuff for a living too. Love everything you said in this video. I smiled all the way through.

[@HunteroftheNorth]

We live in Barrhaven and I acted as general contractor when we finished our basement. I decided to just use a cork underlayment that had a vapor barrier built in, then put our laminate flooring on top... no proper subfloor over the concrete. That was about 5 years ago and haven't had any issues with moisture or anything yet. If I were to do it again I would probably do a similar type of subfloor like this just to have that bit of extra protection. Thanks for all the great content Jeff. Love that you're local

[@HomeRenoVisionDIY]

Cheers to Barrhaven!

[@stevecloyes171]

Thanks Jeff for all the pointers. I am going with the dimpled plastic for our basement as we learned the hard way with moisture damage. I will be watching your various videos as our project progresses.

[@neomatrix2722]

I honestly want to let you know that you are awesome I am now late-in-life and just feel I'm learning about Construction and I'm doing it I call you my digital dad thank you for all you do genuinely appreciate you

[@HomeRenoVisionDIY]

Happy to help! Cheers!

[@randywinslow7735]

This is great. Jeff is Gold. I used Jeff's dimpled membrane as a base, then the durofoam 3/4" rigid foam , then 1 x 4 strapping (full perimetre and 2' x 8' sections) then 5/8" OSB. all as my base. then built my walls on top of the subfloor. ALso insulted the concrete walls with 1" durofoam. glued and taped. all thanks to Jeff.

[@MrMattDat]

Love this video!! My basement had vinyl tiles pasted down with a black adhesive that is insanely difficult to remove. This is a great solution to go over that AND give us a thermal break!! Thx!

[@davewaltham1470]

Careful with that black adhesive. If it was installed prior to 1977(ish) it may have Asbestos in it. Generally not harmful unless it is airborne.

[@dberg519]

Thanks Jeff, I love your videos and they've helped me a lot through my basement finishing! I'm just about to get to the flooring so this video was perfect for watching today 😊

[@MrHatt7777]

I did this exact same subfloor in my basement. So warm and soft. Put Cali vinyl on top.

[@SewingMamaJulie]

Thanks Jeff, the ground-eye view really helped visually. Thanks for all you do!

[@HomeRenoVisionDIY]

Glad to hear it! Cheers!

[@SewingMamaJulie]

@Home RenoVision DIY I keep getting odd messages from someone for me to reply "you"

[@billm.8220]

So many choices. Depends on so many variables. All great ideas.

[@mikewebster2984]

I did this a few years ago in my sub basement and it is working fine.

[@dfs7979]

I was going to do this with my basement remodel but then decided against it due to the extra thickness - would have had to rebuild the stairs. Ended up using vinyl plank but selected a foam underlayment which keeps everything quite warm. My basement is dry so that will be your #1 consideration. It's also important to flatten your slab for any flooring other than carpet otherwise you will be flighting this all the way.

[@ludovicmarcourt7118]

well, this spring will be a basement project. Thanks for sharing your knowlegde. We will save many $$$ !

[@MajelCats]

It’s like you make videos just for me!!! I feel special❤ ⭐️

[@HomeRenoVisionDIY]

Cheers to being special!

[@Tmanx007]

Hi Jeff, I have seen basement broads review but I like real project like this.

[@AnaMariaCarrasco65]

I love watching these videos!!! I hope I can get a house of my own soon!.. love tools and doing things myself. I’ve learned so much. When I do get a home of my own, I will be joining your group and probably drive you crazy with all my questions! Hahaa!

[@HomeRenoVisionDIY]

Looking forward to it. Cheers!

[@Geoff_G]

Great video Jeff. To me it really drives home regional differences in building requirements. In BC (Nanaimo) my basement only required a click lock vinyl designed to go direct onto concrete. In this area, the concrete is thermally stable year round within 2⁰C.

[@cturtle97]

Another great video. Just love watching your approach

[@HomeRenoVisionDIY]

Glad you enjoy it! Cheers!

[@job2k6]

I'm in the process of stripping my basement down to the studs. In the kitchen and bathroom, the concrete floor had 1x3 strapping (maybe the proper term is sleepers?) with 2 or 3 layers of OSB on top. Everywhere else is laminate or carpet directly on the concrete. I'm going to be following your advice when putting down the new sub floors.

[@stevehutchinson238]

Nice to see this method is catching on.. I tried this 17yrs ago, but i went 1-1/2 foam lol. Pro tip- TASK has the most durable drill bits (i got them at Homehardware) purchase the more expensive one.. They outperformed even the Bosch bits

[@MegsCarpentry-lovedogs]

Jeff, you think of things that your viewers might end up not knowing about, like OSB has a curve in it, so the right spot to screw it down and encouraging people to not put down the whole floor layer all at once but do it in rows, stop, screw it etc then continue on to the next row....and you give the smart reasons why to proceed in an effective way...thanks from East Canada!

[@HomeRenoVisionDIY]

cheers. Most experience is learned the hard way. I am happy to share the things I have learned to help folks reduce the pain of learning. Cheers!

[@MegsCarpentry-lovedogs]

​@@HomeRenoVisionDIY You rock Jeff! Thank you. I am planning an extension, and in one of your other video's, you pointed out that times have changed in the construction industry. Finding a contractor who can pick and choose what jobs he wants, and then if you do find one if they have the experience to do it right is an issue, so learning to do a lot by yourself, means you most likely will be more willing to do it carefully. I wish I had the skills to put in an ICF basement and 3 storeys above it, as a stick build but high R value walls, outer insulation envelope added. I guess once the more skilled part of the build is done, I can return to DIY'er mode to finish up the interior. Your video's are so helpful. I see you have over 2 million subscribers now as well. Jeff, I am so happy for you and ... as a Canadian, so very proud of you as well. You have the gift and your gift to us keeps on giving as we apply what you are teaching us. 💯🙏🙏🙏🇨🇦

[@marianwheeler3547]

Great job! Loved it!

[@MAKCOH818]

Cool dude thank you KZbin finally professional KZbin recommendation 🙏

[@matthewcox6140]

Great job as always Jeff!

[@HomeRenoVisionDIY]

I appreciate that! Cheers Matthew!

[@user-ed7hd1xh6x]

Cool dude thank you KZbin finally professional KZbin recommendation

[@B30pt87]

Good tips and logic. Thank you!

[@imafool69]

Damn just when I need it! I need to finnish the basement since we're having another kid and i was in the process of researching suitable insulation for the subfloor and here it is. Im planning on putting a DMX down for water control and a moisture barrier, insulation and the osb, this is by far the cheapest option. im only doing half the basement for now and start to finish it should only cost about 4k, im pretty happy with that. Thx for the video.

[@HomeRenoVisionDIY]

Cheers and congrats on the addition to the family!

[@cinders302]

Very good lesson. I've been kicking around how to best approach taking the chill off of an older home basement, and I think this is what will work best. Ideally, in-floor hydronic heat would have been first choice, but far too much labour and cost to get a concrete company in to cut grooves for install - plus there would be no insulation to keep heat from being lost to the 'dark side. Perhaps radiant Pex in the walls vs forced air blowing down from the ceiling as it is at present - wretched

[@A65impalass]

When you said to screw down as you go or you'll end up with gaps...........only a man with personal experience would mention that lol. I know I personally can vouch for screwing up a bunch in my remodels.....but that's what teaches us right? Then we take what we did wrong and pass it along to help others. I love your videos and look forward to seeing them.

[@TheTarrMan]

Thank you for making this.

[@khg8256]

I really appreciate your videos. I learn a lot. I was going to use Fomular 250 on the floor each board today US Home Depot $58 each. Durofoam at HD $17ish. I'm nixing that plan and buying this stuff. Thanks.

[@ajizum82]

Great idea.

[@MrMockingbird1313]

excellent Jeff

[@tk123420020]

The fact he is powering through a professional job with craftsman tools is making me rethink life....

[@thecman26]

Mike Holmes would be happy with your use of tuck tape!

[@lucmackay6506]

Hello Jeff, thanks for the videos been helping my own renovations. I was wondering, could you lay the blue dimple membrane down tape seams (for vapour managment) then the durafoam (for thermal break) tape seams with out screwing to foundation, then lay down vinyl plank?

[@thediyprojectguy3219]

Jeff, if durofoam is not available in the United States, can you recommend a similar moisture resistant foam that is available in the U.S.? Thank you and keep up the great work!

[@user-rz5nr9zh6p]

Good idea to check floor for flatness. If high crowns or low spots , pour leveller prior any substrate installation. Laminate flooring or any hard surface flooring looks the best of floor is flat.

[@collinhorton1728]

I watched this video as well as the video on the different subflooring options. Great stuff. I really appreciate the content. We are installing unfinished solid hardwood on a slab at grade (no basement; it's just the ground/1st floor) for our new construction home that is currently being built. Will this method work under these conditions? Thanks again!

[@trevorritchie2575]

I did similar in my basement 12 years ago. I used 1"x4x8 sheets of R5 foam that had a ship lap edge so I didn't tape them, then 5/8" T&G OSB before I framed my walls, then 2"x4x8 sheets of R10 on the walls, then framed my walls on top of the subfloor, ran my wires and installed Roxul R14 batt insulation between the studs, Roxul Safe n Sound between the floor joists, brought 4x12x1/2" sheets of drywall down the stairs and hung that on resilient channel on the ceiling (rooms were 11' wide), then drywalled my walls and finally installed laminate flooring with foam backer on the subfloor. The floor "floats" a bit in some places because I didn't screw it down but it's not bad because the walls hold it down for the most part

[@brianwilliams8162]

Best guy on KZbin with home remodeling! Thank you for teaching me this method!We love you Jeff !👷

[@peterxyz3541]

THANKS!!! This is helpful

[@lulimau8478]

Thank you

[@MitchOfCanada]

opted with no thermal break at all, have wood stove in basement so the concrete heats up and holds the heat, and in the summer i have a GIANT Cold sink keeping hole house cold (cold air return only in basement) works amazing! cool my entire house with a 5k btu window unit.

[@QSL.]

Awesome jeff!

[@user-tx4vg3uf4k]

I’m not sure about this… that durafoam over time really compresses… wouldn’t it become uneven after a few tears?

[@robertcrystals]

Yeah this seems bodgy. Wouldn’t you go with a high compressive strength xps?

[@garypucknell7689]

I'm going to do this my block and beam.

[@jaddinnovations6597]

Thanks for the details

[@HomeRenoVisionDIY]

No problem 👍

[@HarpreetSingh-di4hk]

This guy gonna make me quit my job and get in to construction. 😊😊 I am almost at that tipping point.

[@HomeRenoVisionDIY]

I would start with renovating your own house first. then realize the no taxes on capital gains option. Then sell it and just work for yourself doing a new house every 4 years. easiest way to be financially free and never have another boss again. Cheers!

[@4vinylsound]

Hearing is something you never get back along with sight. You can do more with sight then you can with hearing. Drive a car etc.

[@paula.the.wannabe.hauler]

Thanks

[@ducaking]

Great video!!!! Thanks

[@boyankovic6211]

Jeff is your DIY personal trainer!!

[@HomeRenoVisionDIY]

Cheers!

[@jamesLescobar]

good work. great explanation

[@HomeRenoVisionDIY]

Cheers James!

[@jackknife89actual]

Question: would the joint between the wall and the floor be a gap in the thermal / moisture break? Would it be a good idea to leave the plastic, lap it over the foam insulation, and tap it down?

[@mikegalgano4567]

@6:25 I guess the vaccuum operator took a long lunch break. Love the videos Jeff

[@nickb8156]

Knee pads are cool lol love your videos

[@barryjohnston8993]

Great video and good to finally find someone offering advice for the Canadian climate. I think I have just found my sub-floor solution for my detached garage. We need some extra space so I'm planning on insulating my single detached garage to turn into a small gym. I'm in Ontario and been struggling to find good advice which is suitable for our climate. Is OSB a good/cheaper alternative to drywall for using on the inside walls of a garage?

[@StfuFFS]

That's all great advice. 11:54 "a million different ways to do things" reminds me of a joke I heard in college a century ago... How many engineers does it take to change a light bulb? 99. 1 to do it and 98 to stand around saying "I would've done it different." 😆

[@charleswhittenburg7279]

I love your videos too. We have a 2008 double wide we are updating cabinets and adding more storage options. However our floors have been frustrating. We used tile and it broke by the refrigerator. Everything else held great. What do you suggest?

[@lucst-michel]

I like this video. I find the instructions for this system simple and it looks quite easy to do. I need to go to the store and look at this product. Until then...my question... If there are some minors imperfections on the basement concrete slab, when the OSB 4 x 8 sheets are laid over the durofoam and screwed in place, will the durofoam compress a bit to accomodate for these imperfections? Thank! Keep up the good work!

[@132airsoft]

Thanks for sharing the tips. The concrete floor of the basement is slope (for drainage? I guess). what would be the best way to do a level subfloor other than pour self-leveling concrete onto the sloped basement concrete?

[@ondrejkovac2157]

Thx Jeff for all yours videos. I'm doing my secondary suite in basement. Yours videos and ideas help me a lot. After my drywall I'll be doing floor. I have question about floor and sub floor over concrete. My basement is dry, no water issue. house was build in 2018. there will be carpet in bedroom and rec. room and maybe vinyl between in bathroom and kitchen area. Witch sub floor are you recommended? Thank you.

[@ljcooil87]

Another good video mate, I couldn't help but notice when I was only listening and not watching that you sounded a bit like kermit the frog haha.

[@steinachu1]

Hey Jeff, I know this would be a tonne of work but could you scribe channels in the bottom of the durafoam to mimic dricore/dimpled membrane for water management? I have a new home but we are in a fairly wet area, would love to get the best of both ...

[@thomasjones8248]

Before I found your channel, I had to get the subfloor in our basement and went with dry core. The concrete is a bit wobbly so I ended up using a lot of shims to keep it level. Now I have quite a few soft spots. Between the shims . I was wondering if I might be able to drill holes through to the concrete and squirt some sort of hard setting mastic to create extra shims? I wish I had found your channel before I started my basement!

[@florianemery5473]

Thanks for sharing such great content. I am not the kind of person that comment a lot, but i wanted to mentionned. I will use this technic in my new basement. Though I do have a question : I have 2 bedroom doors to install, Am i supposed to install my doors after or before doing my subfloor ?

[@jloden8873]

Watched a lot of your helpful videos learned a lot and have a question I have a sun room with epoxy on the floor and would like to put laminate plank flooring any suggestions? Will it stick?

[@farcow]

wish you lived in upstate NY! got a full basement to redo that previous owners did wrong 30 years ago. almost no contractors in our area (that I would trust)

[@gunzrfun]

Hey Jeff, thanks for this video and the other one you made comparing different subflooring systems. About to lay down a subfloor in a townhome from 1870s, and even with a new-ish slab, it is nowhere near flat or level, in some areas there is as much of a 3/4" height variation over a 4' length. What would you recommend be done to provide adequate support for the subflooring -i.e. how to shim?, and would a 2x2 pre-fab panel system be better in this case due to it's smaller and more adaptable unit size? Thank you!

[@danice7873]

Thanks for the great video as usual. Does anyone know what a good alternative to Durofoam is in the U.S.?

[@DY-hw8ph]

Hi Jeff, LOVE YOUR VIDEO!!! I am planning to redo my basement floor with this system. Just wondering can I just have the insulation on the concrete floor and then install my engineered hardwood floor directly on it? Will there be a negative impact if OSB is omitted?

[@Palanthon]

I wish I had done this.

[@someguynj]

This is awesome. I'm sitting in my basement in my old house (1930s) thinking about exactly how I'm going to do this. I'm only looking to finish one side of the basement - would this flooring approach still be good? I'm also hesitant to drill because of our high water table. Can this work with adhesive instead?

[@hughesr111]

I enjoy your many reno ideas. They have been very helpful. I have a question. Do I need the OSB over the Durofoam if I am installing LVP over the Durofoam?

[@merlepittman5622]

Watched your past video with the dimpled membrane under the OSB. I know it would be more expensive, but anything wrong with using that membrane under the insulation as well.

Jeff thank you so much. I was needing this. Question: I have a co concrete living room, planning on doing Vinyl planks. The concrete has cracks. What do I do with them? Or leave them alone if I am adding this isolation?

[@jean-sebastiendufour5613]

Would love to see how you tacle the furnace room. And do you tape between that contractor vapor barrier and your foam

[@HomeRenoVisionDIY]

I leave the furnace room exposed. Cheers!

[@charlesmckenzie7101]

that cool

[@justinbutterfield8226]

Such a awsome idea, your thr best. My question is can this method be used on slightly uneven floor like ¼" dips in a 10' stretch . Im wanting to put in vynal plank in my basmtent and was wondering if this method would allow me to not need any self leveling concrete?

[@KwynM]

This took way longer than I’d like to admit. 3ish days for me and my partner to subfloor our 1000sqft basement. Also had to properly learn how to use a hammer drill, killed a few bits right off the bat. We’re starting with a solid foundation now though! Thank you!

[@usernamesrbacknowthx]

3 days is really fast, good job

[@kyleroudabush6757]

Home projects are never a race! Just get them done on your own pace

[@christopherhartsel1282]

I have an older basement that showed effervescence on the walls, but never showed standing water. I had a gutter system and additional sump crock installed anyways to prep for reno to living space. For future proofing further, is it overkill to use an underlayment with dry core subfloor membrane panels?

[@michaelm077]

Can I use this system on an outdoor patio that I’m going to enclose as a four season room, thanks for your advice.

[@frankpezzuco6324]

Hi Jeff I was viewing some of your old videos. Do you still recommend the dimpled membrane with 5/8 t+g subfloor and walls on top of that, for older homes? Thank you.

[@chwangton]

Great video, can you put carpet or carpet tiles directly on the foam board? Can you skip the OSB?

[@JSLEnterprises]

It should be noted that this subfloor system is only effective for newer construction homes that have 8mil poly under the concrete and closed traversing drainline to the external weepers (meaning extemely minimal water penetration under the slab that would wick). Older homes with clay drain and slab on wet clay, you NEED to use the equivalent of Foundation Wrap (dimple board) under the subfloor you construct, just as he mentioned.

[@BobbyLips]

I have an older home (early 60's construction) and gave up long ago on having a modern finished basement. I do want to have a decent basement floor with good lighting for some hobbies though. I wish I would be able to use this solution.

[@ravenstarver1360]

He mentions that at 3 minute mark. But thanks for the extra details.

[@tangodown2721]

How new are we talking like 2010 or in the last 5 years

[@BobbyLips]

@James Karrie I thought dimple board is only good if you have moisture or maybe a lil water from cracks. With the torrential downpours of the last 5 years until I can reroute water I would need something that would dry out and not be ruined if water entered the basement.

[@ravenstarver1360]

@@BobbyLips yea if you have major water problems DMX dimpleboard won't save you. But it's great for an older home that simply wasn't made for a finished basement and doesn't have major foundation problems.

[@marc-olivierplamondon2221]

Hi Jeff, I'm about to renovate my attic. The board is made of wooden slats. What subfloor should I put before the plywood? I want good insulation and noise reduction. Thank you for your help.

[@bugtusslealien3931]

Basements are utilitarian. Great for ducts, pipe, electrical and storage. Insulate top half where it is exposed 3 feet below grade and that's it.