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Hal2001 10-16-2007 05:57 PM

Insulating attached garage
I've just bought a house in New England with an attached garage. The walls are insulated, but the ceiling is open (no insulation or sheet rock). Do I need to sheet rock the ceiling to insulate, or can I leave the ceiling open and just insulate between the ceiling joists? What is the best way to go?

kemerick 10-16-2007 08:13 PM

Insulation with drywall is better than just insulation. The best insulation is air... so trapping the air with the drywall will help the insulation perform better.

JFD140 10-16-2007 09:48 PM

like stated above, you are better off with drywall as well but you can get insulation and just staple it to the joists. If your gonna go with the drywall, do it right and tape the joints as well.

NateHanson 10-17-2007 06:33 AM

Doesn't code usually require that faced insulation is covered with drywall in a garage? You might want to check that out.

jogr 10-17-2007 10:49 AM

If you don't cover it it will also eventually become a pain as it starts settling and drooping. I know this because I am now experiencing it first hand in my 16' high metal building. It looked great when I bought it the place but is now starting to come down. It was suppported by staples as well as a layer of 6 mil ploy stapled to the joists.

Drywall is probably the least expensive cover that will meet fire requirements. A garage is a great place to work on your taping skills!

JFD140 10-17-2007 03:46 PM

o yea its also nice when the particles start hitting the air if it does fall when your in there. Its good to breathe in.

joasis 10-17-2007 04:32 PM

The best option is to drywall it, or at least use OSB, and then have cellulose blown in....also a DIY project.

dderolph 10-24-2007 10:53 AM

Since this is a garage, what about using plywood paneling instead of drywall? It would be easier to install. That's what I did on outer garage walls. I would think the same could be done on the ceiling.

Ron6519 10-24-2007 05:28 PM

Code generally requires firecode(5/8") sheetrock in the garage. If you're not heating the garage, why would you put insulation in?

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