I have been tearing out the old paneling and insulation from my garage
(built in the 1940's)
This is a red brick with 1/2 tongue and grove and 2x4 framing.
This is a detached type - no living space.
I was planning on typical vapor barrier type insulation.
Should I also plan on plastic or anything else before I hang drywall?
Or just staple the insulation between the studs?
If your T&G siding, which is under the bricks, leaks drafts you may want to
go all the way and cut and fit some Tyvek sheets between the studs and caulk
the edges to cut the drafts. This will increase the effectiveness of your
insulation and reduce heating bills. Around here, on a parallel plane to
Chicago, we are required to use 6 mil poly vapor barrier sheets to cover the
wall over the insulation, not bits and pieces that you would end up with if
using insulation with a vapor barrier covering as it greatly reduces
moisture transmission into the insulation. This could be important in your
garage as cars in snow areas often track snow and slush, leaving the floors
wet for weeks at a time.
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