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0answers
16 views

Securing plywood “underlayment” to timber “sub-floor”

I am laying 12mm plywood on existing timber flooring (before laying Hardiebacker board & ceramic tiles) apart from screwing the ply to the sub-floor, should I also use grab adhesive, thinset tile ...
1
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1answer
35 views

Can I use OSB or plywood instead of 1x6 boards to hang metal panels?

I'm going to be putting up two louvered panels that will hold plastic hanging bins (think akro-bin type). I won't be able to mount the panels on studs, so I'm trying to decide if I should mount ...
2
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1answer
37 views

Is it okay to put 3/4“ plywood over 1/2” wood subfloor?

I recently purchased a 2 level condo and took out existing hardwood floor on the 2nd floor. Some of the pieces of plywood is pretty old. I wanted to get an honest opinion on whether I should replace ...
1
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9answers
802 views

How to accurately cut plywood with unpowered hand tools?

As a beginner in woodworking I would like to build a simple box from plywood. The edges will be simply glued butt joints which means they need to be straight and smooth. When I use a hand saw I can't ...
0
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1answer
29 views

Can I use self-levelling cement over different levels of plywood?

I want to put large format tiles in a 10 x 10' bathroom over ditra. I have a solid flooring substrate but it is sloped, losing 1 3/8" over 8 feet. I am concerned about the weight of this much SLC (and ...
0
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2answers
41 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 ...
1
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1answer
61 views

How can I seal this dryrot spot to prevent it from getting worse?

Our bathroom shower door leaks onto the outside floor and over time, this has caused a dry rot patch on the floor. It's not necessarily severe but there's some mild "give" and I want to prevent it ...
2
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1answer
75 views

Can I put plywood over the drywall on the common wall between my house and garage?

My garage is attached to the house. The wall that is common with the house is finished with drywall. Can I put plywood over the drywall?
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2answers
72 views

Do I need 3/4 inch plywood subfloor?

I'm going to install tiger wood 3/4 inch hardwood floors in my house. The manual says you need 3/4 inch CDX plywood subfloor. I have 1/2 CDX plywood subfloor. Is the extra 1/4 inch really needed? Some ...
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2answers
99 views

Mounting TV on Plywood over Window

I need to mount a TV over my window. It is a 70" TV and weighs 96 lbs. I was thinking of using the framing of the window, there are 2 studs that are 54" apart. I included a diagram of my idea but I ...
3
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3answers
102 views

Ramp for a tool shed

I need to build a ramp into a shed to roll carts in and out. It has to be removable. Door opening is 50", rise is 10" and I have 48" of space in front of the shed. Max weight on the ramp at one time ...
2
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2answers
115 views

Does it make sense to put quality (=pricy) underlayment over 3/4“ subfloor+1/2” extra plywood layer?

I have standard subfloor + 1/2" plywood on top, to correct for joists going different directions, so that all hardwood boards can be laid one direction for a clean look and avoid sagging where they ...
1
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2answers
70 views

Is 1/2“ plywood sufficient in strength as a 40”x28" table top?

I'm looking to make a 40" by 28" table for a six year old. I would like to use 1/2" plywood for the top and for two shelving units attached below. Those shelving units will also serve as the front two ...
1
vote
0answers
97 views

How long can pressure-treated plywood be left wet?

I built a 12'x20' shed foundation on the Oregon coast last Summer. It is 3/4" pressure-treated Doug Fir plywood over P-T framing. The plywood was very wet when purchased and installed wet like most PT ...
0
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1answer
87 views

What screws for attaching 1/2“ ply to 3/4” ply?

I was using all-purpose screws (1 1/4") to attach my second layer of plywood to the under layer. The top layer does not get screwed into the floor joists. A lot of the screws just spin and don't sink ...
3
votes
4answers
580 views

Is it OK to use 1/4“ concrete backer board over 1/2” plywood as a bathroom subfloor?

I just bought a house built in 1978 and I'm planning on putting tile in the bathrooms (currently linoleum). The fixtures are removed and the flooring under the linoleum is particle board. I think ...
0
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1answer
452 views

Simple & Cheap dance floor instead of carpet

I'm having a large group over for a party. Since my living room is carpeted, I'm trying to think of clever ways to create a nicer dance floor than the carpet. One thought was two 8x4 pieces of plywood ...
2
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1answer
37 views

Can I safely affix tile to a panel of plywood?

I plan on affixing some 5/8" glass mosaic tile to a panel of plywood roughly 43 x 44". I then plan on using that as the face of our bar by affixing that plywood to the bar. My concern is that they ...
2
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2answers
55 views

Best way to affix plywood to wood unit?

I'm planning on affixing some mosaic tile to a panel of plywood (43" x 44"), and then affixing that tiled panel to the back of an entertainment center which I'm re-purposing to become a bar. Once ...
3
votes
1answer
80 views

What is the proper glue to use to bond two pieces of plywood together as a substrate for formica?

We are preparing a kitchen counter top for new formica. The original plywood is still intact but is rough, so we will glue 3/8" plywood on top of it for a smooth durable surface. What is the best ...
2
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1answer
115 views

What grade of plywood should we use as subfloor under VCT tile?

What is the preferred grade of plywood we should use as a subfloor underneath commercial-grade Vinyl Composition Tile (VCT) tile (not vinyl peel & stick tile).
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2answers
83 views

Should we use regular plywood or Lauan over fir strip sub-floor before laying vinyl?

We are preparing a rental kitchen floor for sheet vinyl or VCT tiles. We currently have exposed 3" wide fir strips as the sub-floor. We were told we needed to lay 3/8" plywood over the fir for ...
2
votes
1answer
37 views

Which kind of board is easiest to work with?

I am building a model for a school and need a material to build it out of. I was wondering which of these three boards are easiest to work with? MDF, Chipboard, Pine or Plywood? The following are the ...
0
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2answers
113 views

Building a dock ramp for a dog

I have the week off for the fourth and I'm in a beginner DIY mood. At my lake house, we have a floating dock which is too high above the water to easily pull the dog out and he can't get out by going ...
3
votes
1answer
152 views

“Top layer” plywood subfloor fastened to decking

I just tore out a ton of particle board subfloor that was previously used for carpeting. The entire house has decking (2x6 planks) running on a 45 degree angle over joists with 3/8" plywood over the ...
3
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3answers
350 views

Is it recommended that 1/8 thick plywood be used as underlayment?

Redoing bathroom floor. After removing tiles and underlayment and linoleum, the floor that's left is decrepit, uneven, wavy, has some old plumbing holes. It is not rotted though, the wood is sturdy. ...
0
votes
1answer
123 views

Is plywood or dimensional lumber better for repairing notched joist?

During a recent remodel, I came across a 3 inch deep by 5 inch wide bottom notch in a 3x10 (the beams are that old!). I must say, i'm just a diy'er and even I was beside myself that someone would do ...
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2answers
111 views

How can I minimise damage to a moldy patch of plywood?

I removed a waterproof camping bag in my student appartment today that's been filled with stuff to find that it has left a moldy spot on the untreated plywood it stood on. It's been parked up right ...
0
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2answers
1k views

When Laying Tongue and Groove plywood over 1x6 subfloor, do I lay it with the grain perpendicular to the floor joists or to the 1x6 boards underneath?

I am redoing a bedroom and I am in the process of installing a new sub floor. I currently have 1x6 running perpendicular to the floor joists. Some do have a bit of give to them. I am laying over that ...
2
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3answers
592 views

How to (portably) mount warped plywood artwork on apartment drywall?

I have a 4' x 4' piece of plywood artwork (acrylic painting) that has become warped. It used to be mounted to drywall using velcro strips, but now the outward force of the warp is strong enough that ...
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2answers
9k views

Proper way to install double-layer of subfloor?

I am installing natural tile, so I've had to reinforce the joists a bit and I'm currently working on installing a new subfloor. The subfloor is 3/4" plywood with 1/2" plywood on top of it. The ...
3
votes
1answer
9k views

How to properly install tongue and groove plywood subfloor?

I'm doing a remodel and can't seem to find the proper method for installing the tongue and groove plywood subfloor over joists. I mean, I think I pretty much understand how to do it but there are a ...
2
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2answers
1k views

How do I properly lay a tongue and groove plywood subfloor in a remodel?

When laying T&G plywood subfloors, do all of the edges need to be supported around the perimeter of the room? If so, I may need to add some sort of blocking in my project and I'm not sure of the ...
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3answers
232 views

How to stiffen flexible plywood

We have a curved wall framed with steel studs 16"o.c. that will be finished with hardwood planks (running vertically on the wall). For the hardwoods substrate, they recommended plywood and normal ...
0
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1answer
55 views

Why is this plywood missing the grades?

I went to Home Depot to find some 3/4" tongue and groove plywood for a flooring project and what I saw was this: RATED STURD-I-FLOOR 24oc T&G NET WIDTH 47-1/2" EXPOSURE 1 --282-- RS1-07 ...
0
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1answer
28 views

Can used Xmas trees be recycled into particle board? [closed]

Not really a home improvement question per se but somewhat related: Can main trunks of used Xmas trees be recycled into particle board if all the branches were cut off? I mean if you had 100s or ...
6
votes
2answers
8k 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
votes
1answer
2k views

How can I avoid bubbles when applying an enormous sticker to plywood?

I'm working on a very important beer pong project. The top of the table will consist of two pieces of plywood that have been sealed and decorated with a massive 4X5 custom vinyl sticker. So, the ...
4
votes
3answers
2k views

Are plywood dovetails a good solution to building something that needs to be dismantled?

Are hand cut, plywood dove tails feasible? Assuming you can get "good" plywood, i.e. not the brittle splinter-fest I've seen around, is dovetailing feasible? I'd like to avoid using glue for the ...
4
votes
3answers
2k views

How should I install a plywood subfloor that will be covered by granite tiles?

I am replacing my entryway floor and I have removed the old mud bed. I'm left with planks perpendicular to the joists. However the room is defined at a 45 degrees angle from the joists, so the planks ...
3
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2answers
1k views
1
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1answer
241 views

What thickness, size, and quality plywood is required for an aviary floor?

12'L x 5'D x8'H size aviary needs what thickness plywood to hold human weight. Aviary floor is slightly elevated from the ground. Also, please specify how many floor joists it needs to hold the weight ...
3
votes
1answer
221 views

Will spilling a little liquid (beer, say) on untreated plywood for very little time damage or warp it?

Okay, this one's a tad silly, but I really need to know: If plywood sheets are being used as a temporary surface, and have roughly 20 ounces of a liquid spilled on them, can you assume that no damage ...
4
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1answer
167 views

Is it OK to nail 1/2" plywood straight to the pocket-door box?

The guy I hired to frame for a new pocket-door, mounted the pocket-door box on the top (to a second-story joist) and on the bottom (toe-nailed to the floor). When I asked him to install some studs on ...
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2answers
3k views

How can I plane the edges of plywood?

I'm working on an 8ft x 12ft climbing wall. I have 3/4 inch ACX plywood attached to a frame. Since the frame isn't perfectly square, the plywood overlaps on the edges (up to about 1cm) so I need to ...
3
votes
1answer
614 views

How much sag on a roof is acceptable?

I have minor sagging of my roof plywood, 3/8" thick, placed on trusses 24" apart. Is there an amount of sag that is technically okay? I could not find anything on the APA website. I am not worried ...
5
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4answers
10k views

How can plywood edges be finished to conceal the plies?

My cabinet doors are tired and have many coats of ugly paint. Rather than strip all the paint off, I'm considering just chucking the old doors and making new ones. I like the plain style of just a ...
1
vote
1answer
2k views

When making kitchen cabinet doors out of plywood, what details will impact the final product?

I really want to replace our overwrought, baroque cabinet doors with flat panel doors. I want them to look good but I actually like the look of plywood. It seems from what I've read like I have to ...
2
votes
2answers
8k views

Plywood, MDF or Chipboard for painted bookshelves?

I am starting to plan some built-in bookshelves that will be painted with mat or eggshell paint. The fronts of the shelves and upright will be moulded maybe with a router or softwood mouldings ...
5
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2answers
4k 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 ...