Questions tagged [plywood]

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35 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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2answers
33 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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1answer
68 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, ...
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2answers
69 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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68 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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1answer
45 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 ...
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2answers
30 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
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0answers
116 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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1answer
60 views

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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1answer
127 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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1answer
178 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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2answers
105 views

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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169 views

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. ...
2
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1answer
124 views

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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32 views

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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1answer
60 views

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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117 views

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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2answers
92 views

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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0answers
96 views

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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1answer
62 views

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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1answer
125 views

Wall plate and subfloor repair in bathroom

Replacing tile floor in small (6x5) bathroom with tub, on 2nd story of a condo. After pulling tile, noticed some water damage in corner by tub, on the subfloor and the floor plate in the wall (looks ...
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0answers
83 views

How can I quickly seal wet pressure-treated plywood?

I am replacing the floor in my camper and want to use 3/4" pressure-treated plywood but I want to apply some water sealer before I lay it down. Is there a way I can do this without waiting a lengthy ...
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1answer
20 views

Using construction adhesive to connect 2 wooden panels

I’m putting a sheet of 2-sided melamine particle board (which matches my desk) to a sheet of plywood (for strength) to build an electronics workbench. To do this, I’ve bought a construction adhesive ...
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1answer
140 views

Attaching plywood to laminated particle board

I am connecting a piece of laminated particle board to a piece of plywood. Both 5/8” and 2 x 5’. One piece will go on top of the other piece. In addition to a whole bunch of screws driven through ...
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1answer
209 views

Do I need to add plywood underlayment over plywood subfloor?

I am replacing downstairs flooring that had three layers before the subfloor. Linoleum, Cement Board and Tile. All flooring had to be removed down to the subfloor due to water leak. Since the cement ...
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2answers
1k views

Does plywood over rigid foam meet the fire barrier requirements?

I've seen a lot of discussion about using plywood instead of drywall over rigid foam insulation when finishing basement walls (here and here). As I look to insulate my basement, I have several reasons ...
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1answer
232 views

Would board and batten walls require drywall taping?

I have a room that has some wood paneling in it that we are going to have to replace, as it is old and has a missing section that is hidden by a cabinet we want to remove. I am considering doing ...
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1answer
48 views

T-Nuts for Granite/Plywood table?

I have a 30"x50"x3/4" granite slab that I would like to use for a table. I'm thinking of putting 5/8" plywood underneath (20"x40"?) and before mounting the granite on top, inserting a few T-Nuts for ...
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2answers
258 views

Replacing particle board subfloor with plywood

I am hoping someone will be able to give me advice on how to proceed with my project. I am installing vinyl flooring and noticed the particle subfloor was rotten in a spot. I decided that I wanted to ...
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3answers
2k views

Does RTD in plywood mean “Rated” or “Resistance Temperature Detectors”?

Lots of plywood at Home Depot have the letters RTD in the title, with no further detail. Many of these have multiple user questions of the form "What does RTD mean?" Answers seem to be split 50/50 ...
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1answer
203 views

Do I need to remove mould from plywood before treating?

I have a shed base on piers topped with plywood that was finished last Winter and covered up to help protect from the elements. However some water made it through (or general dampness of being ...
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3answers
80 views

How to build long, chunky bed supports

I'm trying to build a bed frame similar to the one shown below. I'm struggling to design the long, chunky white support beneath the top bunk. It looks like its about 200cm x 18cm x 8cm. For such a ...
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1answer
124 views

Redgard between kitchen plywood and backer board

I'm replacing my kitchen floor and have got it down to the plywood. 2 questions please. 1, can /should I use redgard between plywood and backer board? 2, getting conflicting answers, should I apply ...
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1answer
341 views

OK to attach Tyvek or any breathable membrane directly to studs?

I'm building a garden room and I want to attach a breathable membrane directly to the exterior side of my studs using staples and then cover it in some sort of exterior grade plywood sheathing, which ...
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3answers
2k views

How would you protect a plywood container from moisture and abrasion?

We have a pitching mound that sees basement and outdoor use. We try to keep it out of the rain but it does sit on wet ground sometimes. It is made of plywood and has a number of hinges/brackets ...
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1answer
252 views

What kind of screw should I use to affix plywood to a hollow metal door?

I need to affix a plywood frame (depth ~1.25 cm or so) to an office entrance door. The door is metallic, but not a solid metal block: it's hollow. The metal face of the door is about 2mm. This is the ...
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2answers
144 views

Contact surface between subfloor and joists

I had to remove portions of the existing subfloor chipboard panels (18mm depth), which now I need to replace (I already bought a new P5 panel). The problem is that one edge of the hole is irregular, ...
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1answer
1k views

Sealing plywood edge and faces (Shed Floor)

I am laying a plywood sheet floor in my shed. I have plywood that is certified for humid conditions rather than wet and the sticker on it also says that the edges and faces should be sealed. It is not ...
2
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1answer
3k views

How to angle an edge of plywood at 45 degrees?

Say you have two pieces of plywood. the goal is: to assemble the two pieces at a 90 degree angle (where 3/4 inch edges are touching) create an angled edge sit the edges sit flush against each ...
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2answers
63 views

Raised plywood false floor for heavy equipment usages

I don't know if this is the correct stack, since it isn't in a home, but I think it still fits. I have a electronics assembly company, and we run two assembly lines. They consist of several machines, ...
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1answer
74 views

New Plywood is Delaminating

I just purchased 30 sheets of new 1/2 inch spruce plywood for use as subflooring. As I worked, 2 of the first 8 sheets spontaneously delaminated as I was cutting them. Not just a little at the edges, ...
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3answers
2k views

Supporting foam board melts when cutting plywood

First time cutting plywood using foam board as support, and it burns, melts, and produces enough smoke that I have to open the garage to ventilate it after every cut. There is no damage to plywood, ...
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7answers
5k views

How to block a window with plywood for big wall to project a movie?

I have a kids' playroom with a big wall and a center window. I want to use this wall as a home theater projector screen. I don't want to block the window permanently with a fixed screen, and my ...
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2answers
659 views

Remove plywood floor before insulating attic?

My 1940 house's upstairs ceiling is composed of: 1/2" of plaster 1/2" of solid paper backing 2x6" joists spaced 16" apart (2" rolled batt and 4" open-faced batt insulation) 1/2 inch plywood Open ...
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3answers
62 views

Making of durable plywood frame

I am making a custom camera rig for the kite aerial photography and I need a ┏┓-shaped frame like this: (depth × width × height = 40 × 200 × 100 mm, thickness ~5 mm). I cannot use bent aluminum as ...
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4answers
167 views

Choice of processed lumber for large shelves

I am looking for recommendations to choose between a diverse spectrum of 3/4" thick plywood-y materials, such as MDF board (or similar) as well as stratified but sanded plywood. In this particular ...
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2answers
167 views

DIY Murphy Bunk Bed

I know how to build it. I just need to know how to keep the top bunk stable and not fall off when carrying a 170lb person. This is what I have put together so far. If I missed something please ...
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1answer
82 views

Replacement of plywood on open deck above garage

Water leak through vinyl and plywood on open deck, some locations already sunken due to rotten plywood underneath. I would like to replace by MDO plywood (Crezon plywood) and then paint on top of the ...
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2answers
130 views

Soft vs hard plywood vs two-by lumber for bed headrest

Using plans to build a bed headboard which calls for 3/4" hardwood plywood (34" x 60 1/2"), which is quite pricey for a sheet. What would the main purpose of hardwood specifically be, besides being ...
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3answers
2k views

What are the black spots on my basement ceiling?

My house is one year new construction. I didn't use the dehumidifier at the basement until one month ago I realized the basement was damp and there were some mold on the wood frame on the basement ...

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