What about it ??? You've never seen a wood ceiling in a house ??? The only
place you need a fire resistant ceiling is in a garage with living space
above it and in some places kitchen ceilings with living space above it
are required to have 5/8 fireshield sheetrock.....HTH...
And, regardless of code, over furnaces. Not as much of an issue with
newer high efficiency units, but the old boilers and burners kicked
off a lot of heat, which would dry out the wood and over time would
lower the combustion temperature of the framing.
Medical and electronic clean rooms have used 2' x 4' vinyl faced 1/2"
drywall panels for drop ceilings for many years with no sagging issues
with commercial "T" and "L" shape drop ceiling grid supporting the
panel on 4 sides. One of the local big box lumberyards has even begun
selling pre-cut 2' x 4' panels. It would be a good idea to either
tape or paint seal the edges of the drywall as well as painting a few
extra panels in case any were to get damaged on removal in the
future. We always keep a few extra on hand.
I'm planning to do the same in my basement with the better looking
custom made wood grid stained to contrast. If you do have any
mositure issues (high humidity summers, etc.) gluing ribs to the back
would be a very good idea.
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