How to Leveling Plywood Subfloor with Straight Edge DIY MrYoucandoityourself
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- เผยแพร่เมื่อ 20 ก.ย. 2024
- This video is about how to level a plywood subfloor using a straight edge. Previous MrYoucandoityourself DIY video: How to Remove Mortar - • How to Remove Mortar a...
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THINGS I MENTION IN THIS VID:
- Spike Roller - amzn.to/2hTv8iP
- Concrete Mixer for barrel - amzn.to/2h3CnWV
- Concrete Mixer for bucket - amzn.to/2h55Dyf
- Dewalt Drill for Mixer - amzn.to/2i8ku75
- Straight Edge 10 Ft. - amzn.to/2hNKhFj
- Self-Leveling Kit - amzn.to/2hBMy5M
- 15 Gal Mixing Barrel - amzn.to/2i3jHsp
- Concrete Finishing Trowel - amzn.to/2i3DMP9
- Mapei L Primer
- Mapei Novoplan 2 Plus 50 lbs. Professional Self-Leveling Underlayment
- Dewalt Grinder 7 inch - amzn.to/2hTuCl7
- Dust Shroud 7 inch - amzn.to/2hOwdeL
- 7 Inch Turbo Diamond Cup Wheel - amzn.to/2hBYTqI
- Cyclone Separator - amzn.to/2hC76Lt
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- Screed Leveling Tripods - bit.ly/2uVCPfX
- 3M - H9A Peltor Optime 98 Earmuff Yellow - amzn.to/3r2VBOs
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One of the best videos I've seen so far. Plus all the materials with links to purchase are in the description. A+ my man! I'm currently doing my third house subfloor leveling so a laminate floor can be installed correctly. If only I found this video on house one it would've made my life easier. Totally subscribed to your channel!
Hi Anthony, thanks a lot!
Tony Angellilli is there a big demand for this type of floor leveling? Thanks
I like this guys Chinese accent, makes this video more enjoyable to watch.
A-ha-ha! Thanks
So that's how you stop your edges from flooding when you can't reach them. Thanks guys. You've really helped me here.
You are welcome!
Very nicely done by an experienced professional.
Thank you very much!
Thank you for this demonstration you made this look very easy and I know it is not it takes years to become a professional but thank you for sharing
Hi Carlos, thanks for warm comment!
I really appreciate seeing your process and what products and tools you use. Thanks for the video.
Thanks for watching and commenting! It keep me on the track to make videos for my subscribers.
This guy knows what he's doing...if you are tackling the job of levelling any large plywood floor, refer to this method
Thanks for your comment!
Wow. Even nailed the amount needed. THanks! Big help seeing the whole process instead of people talkin about it.
Hi Lex, thanks for commenting!
Nice job! I liked the spiked roller you use at the end. I used self leveler over OSB in a small bathroom and even though I used the maximum amount of water specified it didn’t get completely level even though it had the same consistency and flow in your demonstration. It needs the small amount of agitation the roller creates.
Hi, yes, spiked roller really helps. Thanks for commenting!
Curious: what does the spiked roller do?
I think it agitates the leveler, and breaks the surface tension allowing it to roll out more evenly. It probably pokes air bubbles out too.
WOW! that is a VERY nicely leveled floor! Well done sir...
Glad you like it!
Very helpful to see how to do this, thanks.
You’re welcome!
Wow...thanks for this.I have an old farm house and I am going to do this in my living room and dining room next week.Great video!!!
Hi Craig, don’t forget to put primer. It’s very important. Thanks for watching!
Thank you again!!...I was just at Home Depot picking out my product...they mentioned that too.Fantastic vid and Many thanks again.
Good luck with your project!
Awesome this is exactly the video Ive been looking for! I've got a couple questions. First, I noticed that some levelers say they can go over wood others not. Is it super specific what self-leveler you have to use? My second question, what's the roller for? Thx so much!
Hi, I am not using slc if wood subfloor bounce. Sometimes beams too far from each other or not too solid. I am using Mapei slc because they have very good T- primer for wood. Roller make slc more smooth. Thanks!
I am about to attempt doing this next week for the first time. Where the wall meets the floor, there is large openings where the baseboard used to be. It can be about an inch wide in some areas. What should I put here to keep the leveler from flowing into it?
To prevent any leaks, I applied foam tape and caulk at the junction of the wall and the floor.
Here is the example - th-cam.com/video/ZN0ANO96e2U/w-d-xo.html
Nice! You must have straight edges of different lengths for different size rooms.
Hi, yes. I have 3 of them - 6’, 8’ and 10’.
Great instructive video. I have a plywood floor that had backerboard screwed into it, which I removed and left a lot of screw holes that go completely through the subfloor. Can you recommend a sealer that can be applied by roller or squeegee before attempting primer and leveler?
Hi Scot, very good question! It’s hard to find best choice, because you need materials with good film tension. Otherwise it can be lead through the holes. I would spend time to feel up this holes wit caulk, let it dry and then to do level. Thanks for watching and commenting!
No damn way I’m going to attempt doing it myself now........ Thanks for showing how it’s done, I think I’ll find a pro to do mine.
Thanks for watching and commenting!
👏🏻 👏🏻 I never seen it done like this but it makes sense!
Great! Thanks for watching and commenting!
Very nice job! You make it look so easy
Awesome video!! Thanks for taking thyme time friend.....
Thanks for watching!
How do you fill in the edges? Will it look seamless to add more concrete to the edges?
Hi, I am using planipatch, or insulate the walls and than slightly dilapidated with slc using short straight edge.
Few questions: Will moisture from cement mix affect the plywood? Will cement make floor heavier? Can you do it on plywood subfloor on the second floor or only on a slab? What is the lightest weight wise leveling product? Thank you very much!
Привет гроза рейволюции, прикольное название! When you apply primer, it’s protect plywood from water absorption.. About how big capacity of concrete you can add to wood subfloor at second floor. All structures of house calculated by some weight over, and if you have a look on apartment buildings with wood structure, there is for fire protection a lot of concrete on subfloor. And nobody worried about it. You can add concrete within a reasonable. If it’s 1 inch or 2 - not a problem, but if it’s more, you have to talk with building department in you city. Just think about how heavy furniture when you bring at home a how light concrete will be compares with it. Thanks for your question and watching!
@@MrYoucandoityourself Спасибо! I just bought feather patching cement at Home Depot which doesn't require primer. I think I rather return it and buy the one requires primer at Lowe's. (Название с тройным дном ;) )
It's a good idea because without primer leveling compound not properly bonded to the plywood. Plywood should be very ruff and perfectly clean for a straight concrete application.
BRILLIANT VIDEO!!👍👍👍👍
Thank you! 👍
Excellent video demonstration, well done.
Hi Arturo, Thanks for watching and commenting!
Thank you for the great video. I just removed vinyl tiles from my bathroom floor. The sub floor has glue stuck to it now. Would this method still work for me?
Hi, you have to remove glue, before start leveling or new floor installation.
Thank you for your reply. It’s much appreciated🌸
is putting self leveler on a wood sub floor a good idea?? any sort of movment itll start to crack
Yes, it is a good idea!
Hi how are you . After that what you do , just install tiles on it ?
If you gonna put tiles, you have to put untifracture membrane.
Great video this is the help I needed. Thank you!!!
You are welcome!
Great video!
I`m doing a small reno in my new house, I got some uneven spots on the subfloor, and I will also add 1/2in plywood on top to match my tile for bathroom and kitchen.
My question is, do I level prior to adding the new plywood, or add the plywood and then level?
I will be installing vinyl click planks for finish.
Thanks!!
Better plywood over plywood and then patch.
@@MrYoucandoityourself Thank you so much!!
@@MrYoucandoityourself what about plywood over concrete? I am removing carpet in bedrooms and installing plywood to match height of existing main floor tiles and then installing luxury vinyl planks through whole house. I can't decide if I should level the concrete before installing plywood or level plywood after.
I love the video now do I know how to use the self-leveling cement all I need now is where can I buy earmuffs like yours thank you very much for the video
Hi Paul, here it is - 3M - H9A Peltor Optime 98 Earmuff Yellow - amzn.to/3r2VBOs
Hey sir how are you doing I wish you doing well i love you work you are professional I want to ask u about the product for leveling on ceramic , thank you very much with all my love from Morocco 🇲🇦🙏
Hi Abdellah, I would recommend smooth grinding first, then put primer like primer Mapei "T" and you can level it.
What is the liquid you are using? Home Depot sold me something to level the plywood subfloor and it was very thick and I had to trowel it out and still couldn’t get level….I like the screeting with the straight edge approach
Hi Marc, I am using Mapei Novoplan 2 plus, or Mapei Self Leveler plus. This material easy to use and you can add little bit more water if you need it more liquid.
I am leveling a plywood sub floor. Where should I start pouring? High spot to low spot or low spot to high spot?
From high to low.
I have just found your series - and am going to put leveler down over a heated mat on backer board that is screwed down to 3/4 plywood quick question - I see you did not go all the way to the walls with the level compound- why is that please, and do you have any further advice about putting leveler over heated mat. Thanks and learned a great deal this week- thanks to you. Great videos.
Hi Graham, in this video I just filled up low spot. In this situation with heating mat nothing special. Put primer over and use compound. 1/4” over the mat around all perimeter of the room. Avoid walk with spike shoes.
@@MrYoucandoityourself Thanks so much for your rapid response- really helps and yes no spikes. LOL Cheers
Good luck with your project!
Thank you .very nice.
Thank you too!
Can you do this method over hardwood flooring that is over 50 years old after sanding and priming? The floor leveler I have says not to use on hardwood floors, but just wondering why not
Here it is, I did it - facebook.com/mryoucandoityourself/photos/pcb.2032514790250903/2032512463584469/
Ever heard of a gauging rake for latex floors, set to what depth you want then rake away with latex even goes right up to the edges unlike a lump of wood which may not be true in being square
Very good advise, but not for self leveling compound. Thanks!
Great vid. Is it a MUST to level the floor before applying 5 ml vinyl flooring? Our floor is FLAT just not LEVEL - Its an old house
I can’t say to you - must to level. It’s your design, but I am not doing installation without leveling. Thanks
It really just needs to be flat. Being off-level isn't going to affect your floating floor, but not being flat definitely will as you'll have voids or high spots under the vinyl. Over time, gravity and foot traffic will cause problems in areas with voids. Think joints coming apart, popping, squeaking when you walk on it, etc.
Level probably more has to do with the foundation and/or framing of the house. Yeah, you could try to make the floor perfectly level, but you'd likely have to level across the whole floor of the home. But what's the point? Unless it's so unlevel that you can sense it when walking around, as if you were walking up/down hill, you won't notice any benefit. Worst case scenario, you level the floor and wind up with one side of the home having 9 feet distance from floor to ceiling, and the other side having 8 feet and X inches from floor to ceiling.
That said, if your floors are way off level, then that's going to make applying a self-leveler like this pretty tricky! But I'm guessing that's not the case, otherwise the place probably needs to be condemned.
@@medavis Thanks, Michael. Yeah, we spoke to contractor and a friend who does floor installation. Both said same thing- only needs to be FLAT. Nothing sticking up more than 1/8 of a inch. They said unless you're doing some high end home, it doesnt make sense to level since we would have needed about 40 bags of cement! so we only "leveled" one small transition area and "rode the wave" of the rest of floor. Turned out great!
What is the difference between the Mapei L primer to the T primer? The T and SM are the only Mapei my Lowes carries.
SM for peal and steak membrane. L for regular concrete, T for wood surface and concrete as well. If you need for concrete leveling you can buy T and mix with water. All instructions on the bottle. Thanks!
Great video. I have a question Im remodeling my old house and I also had to grind the subfloor. Unfortunately the floor is not level at all. When pouring the concrete how much can you pour? I my low point in the house is about 1.5 inches
Hi Dolores, in one time you can do 3/4”. You need to do it twice. Fell up lover spots first, grinding humps, and you will be in success.
Dolores Delgado
It is probably too late with that much sag in the floor I would look down stairs or in the crawl space to find the reason for the sag, Thor to eliminate as much as possible before using floor leveler.
Awesome vid man, keep up the great work !
Thanks! Will do!
Damn...... Wish you were closer! I need you’re skills!
Hi Lee, just come to Vancouver!
Cool vid.. When i saw your ear muffs i knew i need some my for myself.👍
Thanks for watching and commenting!
Beyond the primer, do you have to caulk or tape off the subfloor expansion lines prior to applying the self-leveling underlayment?
Hi, I always do it.
What was the rolling tine brush tool for? Breaking surface tension or air bubbles? I’ve never seen one of those before.
Hi, this spike roller, you can find link to Amazon in video description. This roller removing bubbles and make surface more flat and smooth. Thanks!
helpful video thank you
Thanks for watching and commenting!
Hello my friend, nice work! Can this method be done for a second floor? What do you use to block or dam the edges so the compound does not leak into the joists below? Also, how thin can you feather the edges? And if edges have a lip, do you grind it down even to the subfloor?
Hi Roberto, here is the third floor, and all explanations about how to seal the floor from leaking to downstairs: th-cam.com/video/ZN0ANO96e2U/w-d-xo.html
Thanks for watching!
Good job!
Thanks!
Great job 👏
Thanks!
how much working time do you have on this ?
Around half an hour.
Great job as always. Happy new year!
All the best wishes!
Great video my friend 👍
Hi Highland, thanks, I'm trying show more details.
Nice job
Thanks!
Nice job!
Thanks for the visit
Why was the subfloor lower in that spot? Won’t the subfloor continue to sink and compress further as time goes on? This doesn’t seem like a solution but rather a temporary fix that will need to be dealt with a few years down the road. Was the foundational issue resolved before leveling out with this mix?
Hi, there is many factors, why subfloor not flat: house is settle down after few yers, not ideal carpenters work and so on...
AWESOME thank you 😊
Great!
Great job man, where can I get that leveler and the brush you use at very end?.
Hi Juan, you can find links in video description. Thanks!
It's a spiked roller. Get from amazon or HD
Good job 👌👍
Thanks!
great video
Thanks for the visit
If you are installing new flooring over the entire new floor, would level the entire floor using this method? If so then would this not be too heavy weight structurally speaking?
I do not think so if you using the right primer and SLC. I am doing it for a long time no complaints about heavy or not heavy. In apartment wood structure buildings a lot of amount of concrete over a wood subfloor and no anyone thinks how it's heavy.
very nice
Thanks!
Doesn't the self leveler manufacturer recommend attaching galvanized lath mesh to the wood subfloor first?
I didn't find any instruction about it.This material very flexible and perfect bonding to the wood, if you use right primer. Thanks!
yes they do----but i have done the smae job 15 years ago and his holding up fine
Твои видео короткие, но очень информативны. Очень классные. В какой пропорции разводишь порошок для получения такой консистенции при разливке? Спасибо.
Привет, все выравнивающие смеси по консистенции и по наличию компонентов разные. Есть такие, которые можно использовать при минимальном количестве воды и они слабо растекаются (Сика),есть которые адаптированы к использованию большего количества воды - Мапей например, который я использую в моей работе. На 3 мешка смеси использую 5 галлонов воды.При таком объеме воды смесь лучше растекается, легче работать с игольчатым роликом ну и время схватывания увеличивается.Если ты работаешь с другими смесями, нужно экспериментировать, потому что при большем количестве воды, когда мало пластификатора в смеси, крупные компоненты оседают вниз и при застывании поверхность смеси будет мягкой и рыхлой, непригодной для использования.
@@MrYoucandoityourself Спасибо за подробные ответы. Занимаюсь не профессионально. Вопрос встал с renovation в гастинной. Вот и примеряюсь. Твои видео помогли разобраться в этом вопросе. Спасибо.
@@003Lexa удачи в твоем проекте!
what self leveling compound did you use that didn't need the wire mesh or lathe stapled down first?
Hi Chuck, I am using Mapei Novoplan Two Plus, it's same like Mapei Self Leveler Plus. If you floors have some amplitude moving up and down, mesh and lathe don't help too. If your floor stable, I just use Mapei primer T for better bonding. And very go! Thanks for your question!
Did you seal near the edges of the walls or between pieces of subfloor? The leveller is pretty liquid, I would be nervous about leaks.
Yes I did. I am doing a lot of preparation before pouring concrete. Thanks
Can this be used on a second floor?
Yes, no problem.
Great videos. Can you recommend the max height you can level a floor to using the quick set? My floors are out over 1-2" across the floor where it settled. I'm curious if there is a min or max amount one can use the leveling mix to repair the unevenness. I plan to add a new hardwood floor on top of this. Hope this makes sense.
Hi Len, If you need level just part of the room - you can use this method also - th-cam.com/video/iCk6zCNjsQE/w-d-xo.html
Al room for 1-2" this method very good - th-cam.com/video/7l6ts1YwnfU/w-d-xo.html
Make sense?
Thanks for posting these videos! I have a couple questions if you wouldn't mind... I read the installation guide for Mapei self leveling and it says to use lath over plywood. You dont use lath, is there some time where its required?
Hello, good question, I am not used lath because plywood subfloor very solid and primer Mapei for wood very good and well bonding compound with wood. I recommend follow instructions from supplier, it can insure you in a future. Thanks for watching and commenting!
Are you from Maui?
@@MrYoucandoityourself On the Big Island. Building a house east of Hilo, HI.
I am on Maui at this time! Aloha my friend!
I like this guy
Thanks!
What is that broom thing called you run on the floor after you use the levelling board
Hi Rodney, this is spike roller. Thanks for watching and commenting!
The long aluminum straight edge. Where did you get it and what kind is it
Firs of all in description link to Amazon, or you can find in your town tile supply store.
Interesting method. I've been looking up videos but they recommend using a bunch of different tools (and cleats). One question, what exactly where you doing with the push broom? Were you getting rid of puddles? Were you doing some more smoothing? What would happen if you didn't use it? I wish the step by step was explained a little better. Great vid though.
Hi Felix, I am on vacation at this time. I will keep in my mind your questions, and explain later what you are asking for. Thanks for the good comment!
The purpose of the push roller is to help spread the solution and release bubbles.
Hi Felix, I hope, not to late answer your questions. I am using push broom if I am doing leveling for big projects. Usually, I used a trowel. More smoothing you can make without a spiked roller, just slide straight edge back and force a few times. Here is an example - th-cam.com/video/NdX0pT2hmBU/w-d-xo.html. Hope, I answer your questions, if something missing, don't hesitate to ask me more. Thanks!
MrYoucandoityourself I cant do it myself. Where are you located. I need help😩
In 10,000 years ET will show up to find this perfectly flat floor and be amazed at the advancement of our society. The accuracy only matched by Egyptian pyramid builders!
Hi Tim, thanks a lot! You forgot to write - I am proud to be your contemporary!
Can you install wood floor in top of this
Yes, I did it for engendered hardwood floor glue down installation. Thanks!
@@MrYoucandoityourself my question is if i put the self leveling on and wanna install hardwood floors and sand down the floors and stain. Wondering if i can use glue and nails and the concrete would probably crack.
What about the other part of the room where you didn’t apple the compound? Isn’t there going to be a small step between the two areas?
Hi Jacobo, I did all floor in one level. No any steps. Thanks for your question!
What are the bags of cement mixture using called for using on a wood floor
Mapei Novoplan 2 plus or Mapei self leveler plus. You can find links in description for my video.
Thanks 👍🏻
You are welcome!
Will self leveling mud shrink when dry? Do you recommend a second coat to keep it from cracking?
If it shrinked - it's not a self leveling material.
my concern is the point where new floor meets with subfloor as the new layer feather in the new on this has potential to crack awa. Is this valid concern?
Yes it's can.
I've also done this and could never find a product that would not chip off and make a mess at the feathered edge. Guess it depends on the product's ability to be spread thin. GREAT skill set. Thanks for sharing.
Great video! Would I need to use a primer if I am leveling a plywood subfloor that has been previously painted?
Hi Steve, I would recommend before leveling, remove all paint from the plywood and then put primer. I know it's trouble but guarantee you good results. Thanks for your question!
4:50 what is that tool? Did you use while it was fresh & wet or did you wait a little?
Spiked roller, you can find link in description for this video.
По моему ты наш 😆👍👍 Где правило такое отхватил? 🔥
Купил.
pretty neat. could you recommend a self leveler that you can nail through? I want to install hardwoods over wood subfloor
It's the wrong idea.
would you suggest putting down plywood over subfloor to bring floor level up then sanding to smooth it level with subfloor?
@@AccountabilityBurns curious what you ended up doing here cause I’m trying to install hardwood over wood subfloor but is currently not level!
@@typhooney first of all i couldnt find a leveler that you could nail through. Some say you could, then others advised dont do it. So i decided to rip out my living room floor and start from scratch, joists, subfloor, then hardwoods. My floor was pretty wack to begin with so i just bit the bullet. In your case, you may be able to use leveler then glue hardwoods down? sorry i can't be of more help
Awesome 👏
Thanks!
I could be wrong or maybe this is a different brand... But I used quicklevel RS and anytime I made it this thin, it took days to dry and was prone to cracking.
I had to thinken it up like pancake batter (maybe a bit thinner) and it would be perfect
Hi, Maybe you added more water than need it. Some leveling compounds very sensitive in adding water, little more and compound separated on the fraction. That's why your compound dries so long and got with cracks. This is from my experience.
so once its all spread out it naturally finds its own level?
Hi Kevin, compound is not floating , like a water. Need to use a spike roller.
Can I pour this over rough subfloor(The chippy splintered type---best way I can describe it) that the builder used? We want to rip up the carpet and put down click together laminate. This looks cheaper than spending $15 per 4x8 plywood sheets. Thank you! :)
Hi, yes you can use self leveling compound, just don't forget to apply primer for wood, for Mapei it's "T" primer.Thanks!
Hello thanks for the video. I want to level my floor and lay hard wood floor after can I use your method? Thank you.
a bag is 50$ .........4 times more expensive than plywood
What is the difference between Primer L and Primer T
L - for concrete, T- for wood and old concrete surfaces.
@@MrYoucandoityourself thank you!
What is that roller process for? Seems like it was fine before you did that part.
Roller makes surface more flat. Thanks
COOL!
Thanks!
looks like a nice juice mix ?
Well-marked!
It looks kinda thin on the edges, I would think cracks (fractures) might form in the concrete here, from pressure of walking on it or maybe from heavy furniture? Is this ever a problem?
This compound very solid and no problem heavy furniture in a future. Thanks
No mesh lath required on wood subfloor?
Can you tell me please how mesh help you in wood subfloor leveling? I never use it.
@@MrYoucandoityourself I don’t know, I’m asking you the pro? For example, level Quik says you need mesh lath for wood sub floor. That’s why I’m asking you. Is it necessary to put mesh lath on wood flooring?
Is the spike roller necessary?
Hi Thomas, I would say Yes, all my leveling projects I used spike roller. Thanks
So did I miss something or did he not use any primer?
I never worked without primer.
Even though this will work, it does not fix the problem, it only adds to it! The problem is the floor joists have sagged over time. To fix it right you need to sister new joists to the old and straighten them out, also making the floor twice as strong. Adding more weight to the floor by putting down a layer of concrete only adds to the problem.
Hi, not everyone can fix the subfloor like you mentioned, because the price is not the same. Also, when you patch walls, you not removing drywall and reinstalling the studs. you just patching. This is my point of view. thanks for watching and commenting!
@@MrYoucandoityourself I know, and you cant always tear out the ceiling below to get to them. Im just sayin theres a "better"? way in the long run, so people dont run out and poor a 2 inch thick slab on an already sagging floor. Looked like you did a great job floating that out, you made it look easy! Im a framer not a finish guy. lol
Awesome. You need roofing paper and wire mesh?
Hi, ...and it will call "stucco".
I’ve seen people use it for floors as well. I’m just asking.
Can I lay down vinyl down if I do this?
Sure. It’s special for vinyl.
Never done this, what is the purpose of the roller?
Hi, try to use it and you will see different. Read comments under this video, and watch the video by the end, please. Thanks!
Doing this this afternoon 😅
Good for you!
@@MrYoucandoityourself I'd rather pay you to do it. 😊 But in the mean time I'd like to thank you for the videos. They have been very helpful.