Questions tagged [plywood]

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44 views

Best epoxy to seal indoor plywood subfloor? [closed]

I want to put a coat of sealant such as epoxy over the plywood subfloors in my house since I’m already ripping out the carpets and replacing with hardwood (actually engineered floating cork flooring). ...
0 votes
0 answers
16 views

I need to calculate the size of a plywood box beam [closed]

The span is 14’, with beams at 6’ on center. This is for a flat roof of a garage, the loading is for Vancouver Island I would like a 12” deep beam with 2 x 4 framing @16” On centre, using 5/8” plywood,...
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2 votes
3 answers
97 views

Why is my painted plywood wall flaky and thin-looking?

I painted my workshop made with plywood with white emulsion paint but the result isn’t what I was expecting The paint did not stick to the wood properly which resulted in a flaky and patchy white ...
1 vote
3 answers
117 views

Waterproof plywood alternative with structural strength of plywood [closed]

Is there a readily available alternative to plywood that I could use for the walls and floor of a treehouse that would be waterproof (from a will-not-be-damaged-by-water standpoint rather than a ...
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0 votes
1 answer
38 views

How to protect fixed cupboards from termites

I have a cupboard which is made of plywood and it's permanently fixed with the room wall and floor. My neighbour has expressed that his cupboard got affected with Termites so I just want to be taking ...
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1 vote
0 answers
38 views

Is a plywood subfloor with outdoor carpeting glued on appropriate for a screened in porch

We have a 20 year old screened in porch that had a plywood subfloor with outdoor carpeting tacked on. We just pulled the carpet up and noticed blackish areas - mold? The porch floor does get wet ...
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1 vote
1 answer
77 views

Is 3/4 plywood good enough for blocking

I want to hang a vent hood on the wall and this wall has electrical and gas pipe between studs. It only has enough space for 3/4 plywood blocking. Is this adequate? Thanks
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1 vote
1 answer
57 views

Install Vinyl Plank Flooring on top of Cement Board / Backer Board (as underlayment)

Is it a good idea to install vinyl plank flooring (7mm thick, 7 inch wide) over new cement board / backer board? The cement board will be screwed to a 3/4" T&G plywood subfloor which is ...
3 votes
3 answers
3k views

Is 3/4" plywood sufficiently strong to mount an 85" television?

Most of the answered related questions seem to be for smaller sized TVs. So here's a similar question with slightly different condition. I have a 85 inch TV I want to mount on the wall, so it will be ...
1 vote
2 answers
87 views

Options for laying plywood subfloor over concrete slab

I recently finished installing solid hardwood over a new 3/4 plywood subfloor on a concrete slab, and while it looks nice, the installation process wasn't ideal due to variances of up 3/16 to 1/4 of ...
2 votes
1 answer
67 views

Mounting suggestions for 1/4 inch plywood shelf back

I have a custom shelf that I built to sit on a desk top but now I want to mount it on the wall. The backing is 1/4 inch plywood. The shelf weighs about 17 pounds and will hold anywhere from 10-20 ...
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6 votes
4 answers
2k views

How can I cut a rectangle out of a piece of plywood?

I have a bookshelf with a plywood back, the plywood is 3mm thick. The bookshelf is against a power point so I want to out a rectangle to allow the power cords to get access to the power point when ...
0 votes
0 answers
63 views

Can you put Hardy backer board on top of Mapie self leveler plus?

I have already applied self leveler in my bathroom over brand new plywood subfloor. I have got Mixed opinions if I can use Hardy backer board on top of the self leveler.
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1 vote
1 answer
59 views

are 1 1/4" screws enough to hang 3/4" plywood?

I have 3/4" furring strips over concrete wall. I'm putting 3/4" plywood atop the furring strips. This is inside, covering a basement wall. Will 1 1/4" screws be long enough to attach ...
0 votes
0 answers
47 views

Attic plasterboard alternative

I want to avoid using plasterboards under the insulation of my roof and use an alternative instead. Can I use plywood or some cork boards/sheets or anything else that is light or not as heavy as the ...
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0 votes
1 answer
405 views

Installing 3/4" plywood underlayment over 1/2" subfloor

I've seen many variations of my situation discussed here, but I'm new to all of this and I want to make sure my plan is sound. I'm finishing a bonus room over the garage that currently has only a 1/2&...
0 votes
3 answers
123 views

Cost-effective DIY countertop/worktop

I have made some kitchen-style cabinets for my office and have done it in a cost effective way. I am now wanting to adorn it with a worktop that is reasonably hardwearing. I am wanting it to be a ...
0 votes
0 answers
16 views

humidity / heat transfer concerns screwing double layer of plywood subfloor together

TLDR: Two layers of plywood, 1/2" under 3/4", screwed together with 1 1/8" screws where there are no joists. Will the screws transfer thermal energy causing vapor pull, ruining the ...
1 vote
2 answers
327 views

Should I use solid lumber or plywood to repair a floor joist?

Is it better to sister a 2x8 floor joist (cracked somewhere in the middle) using same size lumber or is something like 3/4 plywood better? Consider that both ends of the newly sistered joist won't ...
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4 votes
4 answers
3k views

Plywood or MDF for workbench?

I'm planning to build a workbench/storage cabinet for my garage. Because of limited space (the width is only 420mm and the length 1,700mm), and the fact that it will only occasionally be used as a ...
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0 votes
0 answers
39 views

Kitchen subfloor replacement

We purchased this home three years ago and have 18x18 ceramic tile in the kitchen and foyer that is cracking. I removed a portion to see what is going on and the old plywood definitely needs replaced. ...
1 vote
2 answers
629 views

How much gap is acceptable with tongue-and-groove OSB subfloor?

I am installing subfloor in a old house attic. I am having a hard time getting the tongue and groove all the way in. Will I fail inspection with gaps this big?
0 votes
1 answer
214 views

Mounting TV with plywood backing

I am trying to mount my Tv and I am using a 1/2” piece of plywood to make it centered. The TV weighs 78 pounds and not 100% sure about the mount. The mount is a full tilt extension and extends up 5.2” ...
0 votes
1 answer
680 views

What type of fasteners for server rack in plywood?

Got a rack with weird/large holes. I have put a piece of plywood agains the wall to hold a server rack. This guy: https://www.tripplite.com/smartrack-10u-low-profile-switch-depth-wall-mount-rack-...
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3 votes
1 answer
413 views

Are snap toggles a good way to mount a TV to metal studs? [duplicate]

We have metal studs. The mount we purchased weighs about 6kg and is a single stud mount with 20" articulating arm. TV is a thin 55" LG TV ~19kg so about 25kg/55lbs all in. Was thinking about ...
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2 votes
0 answers
523 views

Is this mold on my OSB subfloor?

I wanted to get the opinion of the community here with this issue I'm having. New construction home here, pics are from the basement of the underside of the main floor subfloor. My builder is saying ...
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0 votes
1 answer
255 views

Impact of Air Conditioner on plywood

I am going to set up a cupboard on a room which has AC. I'm wondering what would be the effect of running an AC on 22 degree Celsius(Normal room temperature would be 30 to 35 degree depending on the ...
  • 35
0 votes
1 answer
58 views

Is it ok to use hardwood ply for cupboard and furnitures [duplicate]

I have been advised by plywood sellers to buy BWP(Boiling water protection) grade plywood from kitchen to cupboard,showcase,TV stand and it's expensive as well. But some people suggested me to use ...
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1 vote
1 answer
67 views

Is Moisture Resistant plywood good enough for Furnitures

I'm planning to do furnitures for home. I'm confused whether to use MR (Moisture Resistant) plywood( IS 303 standard) or BWP(Boiling Water Proof) plywood ( IS 710 standard) for furnitures. I'm happy ...
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1 vote
2 answers
160 views

How to make sure cupboard door is not bending

My cupboard height is going to be 8 feet and I bought plywood and I didn't realise plywood could bend if the cupboard height is going to be more than 4 feet. Any suggestions and ideas I should keep in ...
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0 votes
0 answers
47 views

Repairing t 111 siding that was installed without housewrap

We have a tiny house in NW Florida that we are doing repairs on. It's about 3-4 years old. It was built without house wrap. The outside plywood t 111 is nailed straight to the frame. The builders didn'...
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2 votes
1 answer
105 views

Do panel sheathing clips make a shear wall stronger?

In another answer it was suggested that Panel Sheathing Clips between sheathing panels in a shear wall "will add a great deal of shear resistance at a minimal cost." Is this true? If so, ...
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4 votes
2 answers
590 views

What is the correct plywood/OSB orientation for building a seismic shear wall?

We are building a shear wall by adding structural-1 plywood or OSB to the existing framing and nailing according to a nailing schedule. The wall is 13'x8'. What is the best way to orient the plywood ...
  • 795
1 vote
1 answer
233 views

Accidentally ran some plywood flooring parallel to joists on my shed. How big of a deal is it?

I'm building a shed/barn and apparently had a bit of a brain fart when nailing down the plywood floor sheathing. I nailed it down parallel to the joists (like t1-11 sheathing on an exterior wall), ...
3 votes
1 answer
835 views

What are the actual dimensions of a 4x8' subfloor plywood panel

If the joists are 16"oc and our plywood is exactly 4x8' and we have to allow 1/8" gap between our plywood panels wouldn't it shift the next panel by 1/8" and then the next by 2/8" ...
2 votes
2 answers
352 views

How do I remove old linoleum flooring adhesive?

I had 4 layers of old linoleum on my porch. I was able to remove it easily and get back to the plywood, but the first layer of adhesive remains. It is fairly smooth but there are places where the ...
14 votes
7 answers
5k views

How can I bend plywood around a stair riser?

I've been researching for some time how to cover a curved stair riser that had been previously tiled. I wasn't pleased with the look of the tile, so I removed it and sanded back the mastic before ...
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1 vote
4 answers
265 views

Is a spade bit the right tool for burying a 3/8″ bolt in plywood?

Suddenly the two hardware stores near me have all sorts of varieties of spade bit sets from multiple manufacturers displayed in prominent aisles, which makes me wonder whether that's the reason I am ...
  • 497
0 votes
2 answers
241 views

How to fasten/glue plywood flooring to joists

I am in Indonesia, and have constructed a small mezzanine approximately 2.7m x 4.4m, 2.5m off the ground (roof is steeply vaulted, so there is still headroom). Construction is hardwood (bengkirai) ...
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0 votes
0 answers
27 views

Truck cab- cargo box interface plywood finishing

Using 3/4" yellow pine, ~7layer, sanded plywood. The finished project needs to appear semi-gloss white. Priority: water-resistant. Time in service: 5 years min. From my research I should seal ...
1 vote
1 answer
80 views

Should I replace my entire shed decking or just the rotted spots?

Redoing a shed roof, it's decked with 50 year old or so plywood, tore the shingles off, bottom 3 feet or so of the ply is bad, thinking of just replacing the bottom 4 feet of ply since ply is so ...
2 votes
1 answer
431 views

Is it a problem to have gaps and holes in the subfloor of a hardwood floor?

I've been pulling moulding and trim off and on for a few days for an upcoming custom closet install. The community was great in helping me to figure out ways to get the trim off the wall. I've ...
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0 votes
0 answers
153 views

Laminate floor directly over plywood subfloor ok?

We just ripped up carpet in a room and found that it had 1/2" plywood over the joists and 5/8" particle board on top of that. We are planning to install 10mm laminate flooring in this room. ...
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0 votes
2 answers
124 views

Correct way to attach 3 layers of subfloor?

I am putting new tile in bathroom which has 1x6 planks diagonally across joists. I need to raise this floor 1 3/4" to match the toilet flange, door jambs etc. What’s the best way? Currently I ...
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0 votes
1 answer
112 views

13ft wide desk/workbench with only one leg

This question is much like: how to "float" a large desk (3000mm x 720mm x 40mm) between walls but somewhat different (mainly, significantly wider). I want to build a desk that is 13ft wide, ...
0 votes
2 answers
2k views

Best fasteners for french cleat wall

I am building out a french cleat wall for a home office a la the below photo. The cleats will be 3/4 inch plywood ripped to 4" strips and attached directly to the studs (through the drywall). I ...
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0 votes
0 answers
364 views

How thick should my plywood desk be?

I am looking to build a desk that will be 220cm x 55cm (86 inches x 21 inches). It'll need to hold at least a PC a games console, and three Monitors. How thick does it need to be?
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0 votes
1 answer
58 views

How can I fasten baseboard over concrete?

I have a concrete curb of about 6" from subfloor to the plate in the room that I plan to finish with 5/8 drywall. I am figuring the best way to attach drywall and baseboard over it. One option ...
0 votes
2 answers
102 views

How can I protect the plywood base of a tile table against the weather?

HI I want to make a small table for the patio and will put tiles on top. what is the best way to preserve the wood on all sides before I tile it. Thankyou
1 vote
0 answers
276 views

Optimum plywood configuration for home gym floor?

I wish to protect the floating laminate flooring of the room I am building a home gym in. Therefore, I will lay down plywood sheeting to spread the load and prevent scratching. I am having trouble ...
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