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66 votes

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

I have had great success using a 4x8 foot sheet of white foam board. It is extremely light weight. I hung it from ceiling on strings attached to three binder clips or bull dog clips like show below. ...
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  • 4,122
50 votes
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Should I tilt my DIY self-standing bookshelf backwards to prevent it falling down?

Use Screws Anyway If it was me, I would quietly ignore "I am not allowed to secure it using screws in the wall." We are talking about a couple of screws here, which would leave ~ 1/4" ...
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29 votes
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How can I bend plywood around a stair riser?

Just about any type of plywood can be bent by cutting slots on the hidden side that leave both clearance for the bend and enough uncut wood on the front to support it. I once made some speaker ...
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  • 20.3k
19 votes

Should I tilt my DIY self-standing bookshelf backwards to prevent it falling down?

I haven't built anything into a recess like you describe so this is conjecture. If you're fitting it into a recess and it is encased on all 5 sides (ceiling, floor, left side, right side, back wall), ...
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  • 291
17 votes

How can I bend plywood around a stair riser?

There are plywood products made for radius situations. Bendy plywood and Wacky Wood are a few names it goes by. Options are available from several manufacturers like Radius-bending Plywood or Flexi ...
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  • 4,122
16 votes

Should I tilt my DIY self-standing bookshelf backwards to prevent it falling down?

It is impossible for the bookshelf to rotate forwards and crush anyone, child or not, the way you have drawn it. For it to fall on someone (who pulled on it, or climbed it) it would have to rotate ...
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14 votes
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Remove tiles (and plywood underneath) around toilet without removing toilet

Anything is possible, but this falls under the Why On Earth Would You category. Removing and reinstalling a toilet is a fairly simple job for even a novice DIYer. Don't let that intimidate you into ...
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  • 104k
14 votes
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How to block a window with plywood for big wall to project a movie?

Cut a sheet of wood into the dimensions of your window. Screw in L brackets in the four corners of the wall where you want to put the wood. Then just like a picture frame you install four rotating ...
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  • 164
13 votes

How can I bend plywood around a stair riser?

Take some 1/4 inch plywood, and, with a circular saw, cut vertical slices in the back side ~3/16 inch deep, every half or quarter inch or so in the area where the bend is. This may give you enough ...
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  • 3,959
12 votes
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What is the lifespan of plywood as roof decking?

I would give your business to one of the "is good and stays dry" roofers who are not blatantly trying to fleece you. Now, the other two may be working from the assumption that if you bothered to call ...
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  • 133k
12 votes
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Nail gun and curled nails

Even on a good day, brad nails can curl on you. Through your fingers, if you aren't careful. However, if you look closely at the pointy end of a strip of nails, you'll see that they're cut at an ...
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11 votes

How to accurately cut plywood with unpowered hand tools?

First off be aware of a couple of important points. In the old days before there ever was electricity and power tools crafts persons could build amazing things out of wood with hand tools alone. ...
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  • 61.1k
11 votes

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

If you're not too attached to your current design, consider getting a pull-down projector screen (example). They hide away almost completely when not in use, and you can install it without ...
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  • 1,062
9 votes

Plywood or MDF for workbench?

One factor to consider: If there is any risk that the work area becomes damp, I recommend avoiding MDF (unless it is thoroughly sealed) -- it swells and warps like crazy. I have recently suffered this ...
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8 votes
Accepted

Is 3/4" OSB a better soundproofing material than 5/8" drywall?

3/4” OSB board is better than 5/8” gypsum board. Sound control is measured in STC ratings (sound transmission coefficient). Here’s a website that tests various materials: https://www....
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  • 22.5k
8 votes

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

The usual approach is a couple coats of polyurethane varnish. I'd sand it a bit to clean it up and give it a coat on all exposed surfaces. Steel wool between coats. It'll be apparent when you've ...
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  • 104k
8 votes
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What are the actual dimensions of a 4x8' subfloor plywood panel

Looking for "sanded" plywood and check the specification for the panel you are looking to purchase. This one is a 4x8x3/4 from Menards. https://www.menards.com/main/building-materials/panel-...
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  • 3,261
7 votes

How to accurately cut plywood with unpowered hand tools?

Cutting shallower (with the handle closer to the work) will encourage the saw to cut a straight line. Cutting steeper (with the handle up high) gives you more maneuverability. Start the cut being ...
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7 votes
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How to secure plywood wall panels with hidden fixings

If you use 3/4" plywood and not a veneered MDF you could drill a small pilot hole for trim head screws. It will leave a hole about 3/16" in diameter that will need to be filled after the panels are ...
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  • 31.2k
7 votes

Should I tilt my DIY self-standing bookshelf backwards to prevent it falling down?

In order for a bookshelf to topple forwards, it is necessary to have some force applied to the structure. Typically, that force is gravity. Gravity will not usually push a bookshelf out of plumb, ...
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  • 9,293
7 votes

Contact surface between subfloor and joists

Just add (nail, screw, and/or glue) additional framing material to the side face of the joist to provide more bearing area for the subfloor.
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  • 133k
7 votes

How can I bend plywood around a stair riser?

The problem you have here is you are trying to solve an aesthetics issue. You could tackle this 10 different ways but what can you make look good? This could be done with just plaster or some ...
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  • 46.2k
6 votes

What is the lifespan of plywood as roof decking?

It's a mistake for the roofers to say that the plywood will definitely have to be replaced. However, they may be familiar with homes in your area, that were built around the same time. So they may ...
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  • 128k
6 votes

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

Use a different bracket An articulating arm on a single stud is a bad idea. Maybe if it's mounted very well in a wood stud with four 1/4 inch lag screws, maybe. Definitely not on a metal stud and ...
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  • 16.9k
5 votes
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Is it OK to use 1/4" concrete backer board over 1/2" plywood as a bathroom subfloor?

1/2" plywood is for temporary applications, exterior sheathing and used as gigantic shims. It does not belong as a floor or a roof; minimum 5/8" exterior grade. HardieBacker: What subfloor should ...
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  • 12.7k
5 votes

What is better for a roof, plywood or OSB?

They're required by 2012 IRC to use a fire retardant treated plywood on the roof within 4' of the UL assembly (the firewall that's between each unit). They can use OSB in the middle as it's much more ...
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  • 51
5 votes

How to accurately cut plywood with unpowered hand tools?

I've never used a Japanese-style saw, but have always found it easier to keep a long cut straight with the rigid blade of a tenon saw than with a carpenter's saw. Held at a fairly shallow angle, a ...
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5 votes
Accepted

Plywood plate for mounting to wall

The best situation here would be to make the plywood plate large enough so that it spans across at least two studs. This will determine the horizontal span of the plywood. The vertical span should be ...
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  • 61.1k
5 votes

Remove tiles (and plywood underneath) around toilet without removing toilet

Short answer: No If the tile was originally installed properly it goes under the toilet and the toilet flange sits on top of it. If the bathroom was re-tiled around the toilet in-place it may be ...
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  • 19.3k
5 votes

Proper Orientation for Plywood Subfloor under 3/4" Hardwood

Your current plywood is suitable for hardwood installation. I do not ever like to use 1/4 subfloor as it is brittle and when screwed sometimes doesn't lay flat. If I added to your subfloor I would ...
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  • 46.2k

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