Replacing plaster w drywall - doubling up for thickness - sheet sizes, fire safety?
I want to maintain the original thickness of my walls after tearing out the plaster and lath.
The thickness is 1 inch.
I'm thinking that I'll just double up on the drywall, dealing in 2 sheets 1/2 thick each.
However, I've read that 5/8 sheets are code for garages due to how it responds better in a fire.
I don't want to just assume that by doubling up I get better fire prevention properties... though it seems like a safe assumption.
Dealing with the 1/2 sheets is so much nicer than the 5/8 sheets (this much I know from prior experience).
- Is there any reason for me to achieve a 1 inch thickness any other way than just to double up the 1/2 inch sheets?
- Should I bother taping and mudding the hidden layer (is there a fire safety benefit there)?
- Is there a significant benefit to staggering the layers instead of just cutting them the same and putting them up at the same time?
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