Questions tagged [plywood]

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1answer
20 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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0answers
21 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.
2
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2answers
30k views

How can I patch a hole in a painted wood paneling (or plywood wall)?

We just moved into a ranch house that's well over 100 years. Unfortunately our family made some unusual improvements to it while the last five generations were living there (during various decades). ...
2
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2answers
87 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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1answer
38 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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0answers
29 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
42 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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1answer
32 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) ...
2
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0answers
26 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
23 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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2answers
122 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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3answers
8k views

Should I choose MDF or plywood for my false stair treads?

I'm looking to install false stair treads and risers on my basement stairs. Generally, we're talking about a kit like this: Which is installed with adhesive and finishing nails like this: The ...
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1answer
26 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
44 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
53 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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1answer
27 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 ...
11
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2answers
61k views

What is the ideal distance between supports of a shelf?

I've got 122x25x1cm and 61x25x1cm plywood boards that I want to use to make shelves for books and tools. I'll use 2 supports for each size of board and I'd like to know how far apart they should be. ...
6
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3answers
132 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 ...
2
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1answer
40 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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1answer
31 views

Remove damaged flooring under edge of fiberglass tub and direction of new underlayment

I am currently living in my grandmother's old house (built ~1940 or before) where I have yet to find any previous repairs done correctly. The house is a two bedroom, one bathroom mill house type ...
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2answers
10k views

How to repair rotten plywood board under vinyl bay/bow window?

This vinyl bow window was installed about 15-20 years ago: Overall it looks and works OK, but the underside is wood and has severely rotted around the outer edges: Here's a detail of one corner. ...
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1answer
144 views

How to flatten a recessed door panel

I'm restoring the door to my dumb waiter. The door is 1" thick, plywood core, tin exterior (1/32"); the door is original and dates back to 1939. I want to make the door completely flat, then paint it, ...
2
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3answers
68 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
69 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 ...
6
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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
64 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 ...
4
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2answers
137 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, ...
2
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2answers
55 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, ...
2
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1answer
175 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
767 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 ...
2
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3answers
650 views

Plywood repair - subfloor prepartion - subfloor leveling

I am installing 2000 sq ft of engineered wood flooring. Some pieces of plywood are missing portions of the top layer. The plywood is 5/8" for 5 x 1/8" layers - I am not worried about strength. How ...
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1answer
66 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
533 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, ...
12
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7answers
4k 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 ...
1
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3answers
3k views

Mount over-the-range microwave without top cabinet

I am looking to mount an over-the-range microwave above my stove, but there is no cabinet on top. Here's a picture: We originally planned to mount a shelf to the wall above the stove and use the shelf ...
0
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3answers
826 views

Can I paint and polyurethane my plyfloor or does it have to be covered?

On a new build, our subfloor is going to be 18mm plyfloor. I like the idea of painting it with a whitewash and then coating it with polyurethane to keep it as our main floor, rather than covering it ...
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0answers
33 views

Advice on building a livable cabin floor on a concrete slab [duplicate]

I'm planning to build a 10 x 12 livable cabin based on a shed design. The cabin will rest on an existing concrete slab. Many shed designs recommend building the floor with equally spaced joists. ...
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4answers
86 views

Slightly extending an opening in plywood

I'm trying to fit a slightly larger trash can into an opening in thick (about 1") plywood (see photo). Basically, I need to shave off some material in the corners to make the new can fit. Question is,...
2
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2answers
297 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
55 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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0answers
43 views

What Medium to Use On Plank Subfloor For Porcelain Tile

Story My wife and I are remodeling our kitchen, and our contractor ask us if we want to remove the hardwood in the kitchen. He said that keeping the hardwood will make the floor solid. I did some ...
3
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4answers
74 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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1answer
149 views

Should I use Baltic Birch for stairs?

My indoor basement stair treads are currently made of 5/8 OSB nailed to the stringers. I plan to replace them with new glue+screw plywood. I'm considering 3/4 Baltic Birch ply for this because of ...
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2answers
81 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 ...
0
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1answer
51 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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0answers
21 views

Replacement of Open Deck Material above Garage

Water leak through vinyl and plywood from open deck, some area of plywood is rotten and become soft when walk on the surface of vinyl. The deck is 12' x 24', total of around 288 square feet. I would ...
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2answers
69 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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2answers
849 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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2answers
130 views

What needs to be done before covering a shared garage wall with plywood from the inside?

One of the exterior walls of my garage is directly next to a neighbor's structure. Thus, I don't have access to this external side. I want to cover the inside of my garage walls with 3/4" plywood. ...

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