Questions tagged [plywood]

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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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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 ...
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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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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&...
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3 answers
107 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 ...
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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 ...
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1 answer
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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 answers
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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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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. ...
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1 vote
2 answers
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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?
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1 answer
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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” ...
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247 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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1 answer
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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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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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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 ...
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Is it ok to use hardwood ply for cupboard and furnitures

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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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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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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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
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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
456 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 ...
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1 vote
1 answer
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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), ...
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3 votes
1 answer
714 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" ...
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2 votes
2 answers
187 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 ...
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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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4 answers
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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 ...
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2 answers
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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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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 ...
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1 vote
1 answer
62 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 ...
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2 votes
1 answer
283 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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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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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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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, ...
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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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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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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 ...
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2 answers
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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
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1 vote
0 answers
243 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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2 votes
1 answer
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How can I immobilise a non-T&G subfloor?

I'm building an 8x10 freestanding office shed. I used 2.5 sheets of non-T&G 3/4" plywood for the subfloor (I know this was not a good call but there's a plywood shortage in my area). I glued ...
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1 vote
1 answer
263 views

Wall Mount TV to Drywall with Backing (Without Studs)

I've been a very long time lurker on this forum and decided to jump in and post my first question! I'm a total newbie with DIY and live in a condo. I've been trying to mount my 55" tv that weighs ...
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0 votes
1 answer
756 views

Particle board subfloor - cover with additional plywood/osb for luxury vinyl plank flooring?

A friend of mine just purchased a 1 story house and we spent the weekend tearing out the old crappy carpet / vinyl flooring. The subfloor underneath it is particle board rather than plywood/OSB. The ...
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2 answers
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Use sheets of 4'x8' 3/4" plywood as top hung sliding doors on shed?

I'm thinking of replacing hinged doors with 4ft wide top hung painted panels as sliders. In northern Ohio. Is there a 4x8 sheet type that is stable enough to not warp? Would ACX or marine grade ...
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Outdoor tiled countertop - plywood / cement backer board / both - will it be movable?

I'm building an outdoor 'workbench' for tabletop BBQing / pizza oven / gardening. The countertop will be tiled with 6mm thick, 165mm square porcelain tiles using a flexible exterior-suited adhesive. ...
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2 votes
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Can 1/4" bead board be used horizontally without sagging?

I'm looking at using 1/4" bead board plywood on the ceiling of my front porch. However, I'm concerned that it will sag too much if it's attached to 16" OC rafters. I've got a good stock of 1-...
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Stairs - material being used

We are having a 2 story house built. On the majority of our stairs, it is not possible to use real wood due to the size of the stairs being over 12 inches wide. The builders have used different ...
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1 answer
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How to anchor floating toilet flange

I have a cast iron toilet flange that sits about .4 inch above a 3/4" plywood subfloor. It feels very solid, but it is not anchored to anything. There are two empty holes in the flange for ...
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Seams in beadboard ceiling

My porch was just built today. They stained it, but don't like the seams. Can I caulk with regular wood filler, or silicone, since it is outside? I guess I will paint over the stain.
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2 votes
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Does weathered wood benefit from paint or sealer?

2-3 years ago my father-in-law created new gates for us. He was visiting from out of town, and his visited ended before he could paint them. At that time, I didn't understand anything about wood &...
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laying plywood flooring over potential asbestos floor tiles

I have removed old carpet in the main bedroom which has exposed potential asbestos containing floor tiles (this is not confirmed but the look of them and age of the house is a strong give away that ...
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Exterior plywood vs sealed plywood

So I'm laying vinyl in a bathroom which is currently just floorboarded. From my research, I understand that I should screw down 5.5mm exterior grade plyboard (exterior grade because of the water) ...
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