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Drywall in Shed?

Handyandy23

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Nov 8, 2017
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Ontario, Canada
I've got a small 8x12 back yard shed that I framed on top of a large concrete slab (beside a pool). I want to cover the inside walls with something because I installed siding and have nails sticking through the sheathing, and don't want the kids getting poked.

I keep putting it off because the cost of plywood and OSB have been so high, and the prices don't look like they're going to come down anytime soon.

Has anyone put drywall in a shed that isn't heated / climate controlled in any way? Will it last without getting moldy? The shed is "dry" in that there are no leaks or moisture issues, but I also wouldn't call it totally water-tight. I put a bead of silicone around the baseplates when I set them on the concrete, but there is also a relief cut in the concrete that runs through the middle of the shed (should have planned that better from the start, but it is what it is now).

I'm in Canada so we get all the seasons, and I store a lawn mower, snow blower, and pool chemicals inside.

Drywall is about $15 CDN a sheet, while OSB is about double that, and plywood even more, so it's not an insignificant cost savings. I like that you can hang things off anywhere on plywood, but that's not really a necessity either. I'd install it raised an inch or so up from the concrete so it wouldn't be wicking moisture up from the bottom if there was a little water that got inside.

Thoughts? Good idea or bad idea?
 
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charbar

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I agree that I wouldnt want to sheetrock it either.

What would some lightweight liner tin cost?
 

CTyankee

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CT
I nixed the drywall. Besides getting all scuffed up, it will most likely mold. I know all sheet stock is high like everything else. Peg board any cheaper? Either that or take the kids into the shed and show them how they are going get stuck like a pig if they're not careful.
 

mrvm

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PA
Drywall tends to absorb moisture and it’s a downward spiral after that. Thinking strips from inexpensive/free wood pallet would be a more durable choice
 

PoorUB

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Fargo, ND
Use the green board drywall for went areas. Cut it 1/2"-1" away from the floor. Ventilate the shed.
 

nadogail

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Coronado, CA
Keeping the shed will allow the use of "Green Board", a good coat of paint will protect the "Green Board".
 

Nthill93

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Long Island, NY
Green board and a coat of zinsser And keep it off the floor or durock board but won’t look as nice and 3x5 sheet instead of 4x8
 
OP
H

Handyandy23

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Location
Ontario, Canada
Thanks everyone, maybe I'll go green board and paint it. I'm not that worried about scuffs, nothing too aggressive goes on in there.

On top of the nails, there's electrical for the pool on the back wall that I'm planning to run a feed from the panel inside and wire up a few plugs and a light. So I also don't want the kids to be able to grab at any of that.
 

NUTTSGT

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If it was mine and I was going to cover the walls, I'd probably spend a few bucks more and stick some R13 in the walls. Some insulation will help with temperature swings and in doing so, help control moisture inside/sweating & rusting.

I'd put a PT 1x4 down as a baseboard/toekick. Then I would screw plywood on top of that. Doing it horizontally should keep the fingers away, as they get older or more cash on hand, put up a second course. Screwing it up allows for it to be taken down later if needed.
 
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rlitman

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Long Island
Use the green board drywall for went areas. Cut it 1/2"-1" away from the floor. Ventilate the shed.
I wouldn't suggest this.

Purple board has paper that's treated to resist mold. Green board has paper treated to resist water (a little). Neither is right for a shed.

I'd suggest yellow paperless board. It has a fiberglass "paper" that's mold and waterproof, and is frequently used for protected exterior purposes under stucco. Home Depot doesn't stock it, but most building suppliers do.

Cement board is another option, but it's harder to work with.
 

engineer2

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Chicago burbs
When I'm done snow blowing, I try to clean off most of the snow, but I still get a bit of snow melt inside the shed. Sometimes enough to frost the windows for a few days. I have OSB. OSB also lets you hang anything about anywhere with just a screw. I think drywall would eventually get beat up.
 

The Cobbler

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Niagara Region, Ontario, Canada
I wouldn't use drywall in a shed .

in the case of wanting to protect the kids from nails , I might buy 1" styrofoam , cut it to fit between the studs and smack it in there .or get some vinyl tube or similar , cut to lenght & pop it onto the nails
 

mikedodge

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Jun 27, 2017
Messages
2,780
Drywood won't last in a shed with that sort of dampness and temperature fluctuations.
The foam between studs sounds like a good idea and will also help insulate it a bit too.
 

CraigStu

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Blacksburg, Va
I wouldn't use drywall in a shed .

in the case of wanting to protect the kids from nails , I might buy 1" styrofoam , cut it to fit between the studs and smack it in there .or get some vinyl tube or similar , cut to lenght & pop it onto the nails
My thought too. You might also look at the various types of foam board insulation. I think some are better at dealing w/ water or just humidity than others.
 

Jinks

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Daytona Beach
Look at some builders recycle locations for some cheap paneling. It's thin, sturdy, & doesn't absorb water.
 

MikeC55

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Nov 1, 2020
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420
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CT
I like the styrofoam board idea too. Same problem in my shed. There's pink insulation stuff available at around 1" and 2" thickness.
 

Uncle murph

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Jan 28, 2021
Messages
1,463
Location
Harford county
I've got a small 8x12 back yard shed that I framed on top of a large concrete slab (beside a pool). I want to cover the inside walls with something because I installed siding and have nails sticking through the sheathing, and don't want the kids getting poked.

I keep putting it off because the cost of plywood and OSB have been so high, and the prices don't look like they're going to come down anytime soon.

Has anyone put drywall in a shed that isn't heated / climate controlled in any way? Will it last without getting moldy? The shed is "dry" in that there are no leaks or moisture issues, but I also wouldn't call it totally water-tight. I put a bead of silicone around the baseplates when I set them on the concrete, but there is also a relief cut in the concrete that runs through the middle of the shed (should have planned that better from the start, but it is what it is now).

I'm in Canada so we get all the seasons, and I store a lawn mower, snow blower, and pool chemicals inside.

Drywall is about $15 CDN a sheet, while OSB is about double that, and plywood even more, so it's not an insignificant cost savings. I like that you can hang things off anywhere on plywood, but that's not really a necessity either. I'd install it raised an inch or so up from the concrete so it wouldn't be wicking moisture up from the bottom if there was a little water that got inside.

Thoughts? Good idea or bad idea?
In Ontario?Anything but drywall.
 

mike93lx

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Dec 9, 2013
Messages
37,500
Location
Richmond, VA
I would be looking at smartside panels way before drywall. They come preprimed and won't have a mold issue. No way would I put drywall in an unconditioned space. It will get moldy and won't be any cheaper when you have to tear it all apart down the road
 
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