Tongue in Groove over drywall?
#1
05-08-16, 01:25 PM
Join Date: May 2016
Location: United States
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Tongue in Groove over drywall?
I want to install a tongue in groove ceiling (or similar) on my screened in porch. The drywall ceiling doesn't like the humidity here. Should I tear out the drywall before installing the new ceiling or can I install right on top of it? There is no insulation above the drywall. Thanks guys!
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#2
05-08-16, 01:29 PM
Welcome to the forums!
You say the drywall doesn't like the humidity - has moisture damaged it? is it still stiff/flat?
Generally it's best to leave the drywall in place as a firestop but I don't know if that is required in a porch. My front porch ceiling has beadboard panels [3/8" thick] on the ceiling attached directly to the framing.
You say the drywall doesn't like the humidity - has moisture damaged it? is it still stiff/flat?
Generally it's best to leave the drywall in place as a firestop but I don't know if that is required in a porch. My front porch ceiling has beadboard panels [3/8" thick] on the ceiling attached directly to the framing.
#3
05-08-16, 02:32 PM
If the fire retardancy is an issue, leave it or replace it and apply the bead board, but if it can't stand the moisture it would be a moot point. Remove it and install the bead planks. If the porch attic area is contingent to the house, there may be an insulation deficit, so check into that as you don't want the hot air from the porch to negate the insulation in the main part of the house.
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