Cement/Permabase Board Deflection
I am hanging the cement/permabase and my walls are 16 on center but I notice that in the middle between the studs there is a bit of deflection when I press on the cement/permabase board. I am using 1/2 permabase.
Is this normal as it seems to have a bit more deflection than drywall?
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My experience is that is normal.