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Garage interior. What do I want for inside sheathing? Login/Join 
Member
Picture of Oregon
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quote:
Originally posted by mark123:
Besides, I hate installing drywall. Big Grin.


Big Grin. Anyone who enjoys hanging drywall actually gets paid for it.


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Posts: 6112 | Location: PDX | Registered: May 14, 2004Reply With QuoteReport This Post
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Picture of cparktd
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quote:
Originally posted by arcwelder76:
quote:
Originally posted by cparktd:
Only air barrier (like tyvek) should be on on the outside. Vapor barrier only goes on the inside, behind the wallboard of choice. And don't use plastic sheeting either place. The purpose of a vapor barrier is to control or limit the flow of moisture not to completely trap it, that causes problems. The air barrier on the outside is to stop air infiltration and should pass moisture to allow moisture to escape rather then trap it in the wall. Just use an insulation with the vapor barrier made on it between the studs.


You are confusing some things.

The purpose of a vapor barrier on the outside, and an air barrier on the inside, is to allow condensation to escape, if and when it occurs inside the insulation plane. With proper air sealing and adequate insulation for a given climate, condensation will not occur inside the insulation.

The primary driver of flow of moisture in a building assembly, is actually human respiration, then cooking and bath/shower usage. In really, really tight homes, the concern isn't movement of moisture through a wall assembly, but at the same time, you don't want to build in a way to trap moisture should it occur.

Plastic sheeting can be used as an air barrier, as long as it isn't doubling up another air barrier, in an assembly where the dew point could produce moisture inside the assembly.

The reasons for things like roof venting, and other long standard building practices, are tied in with the longstanding technology and available insulation.

Today, you start with your current climate, look at the difference to a desired interior temp, and figure on how much insulation will it take to separate the two such that the inside of the wall is a neutral zone.

Whereas, in the past, condensation was going to occur somewhere, because the hot and cold were going to meet somewhere in the assembly.


I'll admit I'm a little old school Big Grin but at 62 and having built many houses and been in and around the residential construction business since I could walk I stand by what I said as for the norm here. However... I am in the moderate climate of Tennessee. I know what is standard practice here, for conventional residential construction, but I admit I have no knowledge of other climates or the newer extremely energy efficient houses and they may very well utilize different approaches.



Collecting dust.
 
Posts: 4199 | Location: Middle Tennessee | Registered: February 07, 2013Reply With QuoteReport This Post
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What you decide to use it should be fire resistant. Cheap drywall or more expensive Hardy Board.
 
Posts: 1195 | Location: Southern ,Mi. | Registered: October 17, 2011Reply With QuoteReport This Post
W07VH5
Picture of mark123
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quote:
Originally posted by 9mmnut:
What you decide to use it should be fire resistant. Cheap drywall or more expensive Hardy Board.
It is a good point. 1/4"?

Since I'm not going for looks, do I still need to mud and sand the seams?
 
Posts: 45629 | Location: Pennsyltucky | Registered: December 05, 2001Reply With QuoteReport This Post
Ammoholic
Picture of Skins2881
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Most of the replies here are incorrect. You need to install 5/8" fire rated drywall to meet building codes. You can not make the walls of flammable materials. If you need to hang things from the wall put up wood, then drywall or put 2x4s between studs if you know exactly where you need to mount things.

Another trick which will help both hanging drywall and mounting things later. Make a mark on concrete in front of each stud, then use later as reference point for attaching drywall or shelving.

Don't use wood, if you sell your house and have a smart home inspector you will need to remove it or cover in 5/8" fire rated drywall to sell. Might as well do it to code to start with.



Jesse

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Posts: 21252 | Location: Loudoun County, Virginia | Registered: December 27, 2014Reply With QuoteReport This Post
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If I were to build another garage I would at least partially clad the interior walls with fire retardant slatwall. It makes it so much easier for storage. No finishing, painting, etc and a very flexible storage system


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Posts: 4379 | Location: Florida Panhandle | Registered: September 27, 2009Reply With QuoteReport This Post
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Dry wall, if you bang it, ding it , or punch a hole in it , it's easy to fix.

You can also toss on some trim & paint, maybe some comfy seating.... LoL !














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Posts: 6950 | Location: Central,Ohio | Registered: December 28, 2008Reply With QuoteReport This Post
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Go to WWW.Garagejournal.com. The board is dedicated to building shop type buildings. Almost every question you will have will be covered, most with pictures.


Regards, Kent j

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Posts: 294 | Location: Southern Indiana | Registered: December 11, 2010Reply With QuoteReport This Post
W07VH5
Picture of mark123
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quote:
Originally posted by GrumpyBiker:
Dry wall, if you bang it, ding it , or punch a hole in it , it's easy to fix.

You can also toss on some trim & paint, maybe some comfy seating.... LoL !










The wainscoting is certainly attractive.
 
Posts: 45629 | Location: Pennsyltucky | Registered: December 05, 2001Reply With QuoteReport This Post
W07VH5
Picture of mark123
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quote:
Originally posted by HayesGreener:
If I were to build another garage I would at least partially clad the interior walls with fire retardant slatwall. It makes it so much easier for storage. No finishing, painting, etc and a very flexible storage system
I'll probably just go with french cleats but I get the idea.
 
Posts: 45629 | Location: Pennsyltucky | Registered: December 05, 2001Reply With QuoteReport This Post
Certified All Positions
Picture of arcwelder
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quote:
Originally posted by cparktd:
I'll admit I'm a little old school Big Grin but at 62 and having built many houses and been in and around the residential construction business since I could walk I stand by what I said as for the norm here. However... I am in the moderate climate of Tennessee. I know what is standard practice here, for conventional residential construction, but I admit I have no knowledge of other climates or the newer extremely energy efficient houses and they may very well utilize different approaches.


I started doing it "old school," in fact, particularly with renovation/repair, often things have to go back in similar fashion anyway. It works well enough.

Climate and any temperature extremes are one part of it, but the reason that the construction of the type we'd consider "standard" works, is that it's somewhat leaky and that allows it to dry to one side or the other.

The code standards are just creeping every year to be more stringent, r19/20, air sealing standards, more.

With the products available now, it's easy to get very close to air tight, then the issue is actually separating interior and exterior temp, inside the wall itself. Air changes that used to happen just because the house was leaky, need to be done with vent systems now.


Arc.
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Posts: 27123 | Location: On fire, off the shoulder of Orion | Registered: June 09, 2004Reply With QuoteReport This Post
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Install a vapor barrier and then drywall.

Hanging stuff later is easy, if you use the studs to attach your shelving/pegboard.




 
Posts: 10062 | Registered: October 15, 2008Reply With QuoteReport This Post
Just because you can,
doesn't mean you should
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Slightly different subject.
I put in 20 amp, 4 outlet boxes and more than you might think you want. Cheap to do before the walls are closed in. They are at least 36" above the floor too.


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Posts: 9909 | Location: NE GA | Registered: August 22, 2002Reply With QuoteReport This Post
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I'd use plywood. Here we leave a 1" gap between the plywood and the floor. Then just nail a synthetic baseboard along the bottom, can caulk the seam along the bottom where the baseboard meets the floor if you wish. This will allow you to rinse the floor or if you have some water intrusion the drywall will not get wet. That's how my garage was done when the house was built in 1966.
 
Posts: 21421 | Registered: June 12, 2005Reply With QuoteReport This Post
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I would never use any type of wood product on the walls. Us guys do all sorts of things in our garage. We store everything including gasoline in the garage. There is some good information posted and some not so good IMHO. Even if the garage is not attached to your house "do not" use any flammable material.
 
Posts: 1195 | Location: Southern ,Mi. | Registered: October 17, 2011Reply With QuoteReport This Post
W07VH5
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Yeah, it looks like I'm gong to chat with my insurance agent and then go with fire-resistant drywall. I hope they don't make me fill and sand the joints though.

I did tell my agent that I have business equipment in the garage but they still put the garage insurance in the homeowner policy.
 
Posts: 45629 | Location: Pennsyltucky | Registered: December 05, 2001Reply With QuoteReport This Post
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posted Hide Post
quote:
Originally posted by mark123:
Yeah, it looks like I'm gong to chat with my insurance agent and then go with fire-resistant drywall. I hope they don't make me fill and sand the joints though.

I did tell my agent that I have business equipment in the garage but they still put the garage insurance in the homeowner policy.


Keep a 1" air gap between the dry wall and the floor and then use a 4" synthetic baseboard along the bottom finish nailed to the drywall/studs. This will keep any water or just moisture from wicking up the drywall from the concrete slab.

My entire house is done this way, the drywall does not touch the concrete slab and the baseboards cover the gap so you don't see it. I can't remember how much inside the gap is but it's at least 1/2" from the concrete slab to 1" and all of the original 1966 drywall and all of the walls are perfect.
 
Posts: 21421 | Registered: June 12, 2005Reply With QuoteReport This Post
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