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Discussion Starter · #1 ·
I have a job that originally spec'd 20 gauge N deck. Now a concrete roof will be poured over the roof decking and the contractor changed the decking to a 20 gauge "Q" deck. I cant find spec's for a Q deck anywhere. Is is the same as B? Is is sufficient to hold the weight of the concrete with 7 foot spans?
 

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3" deep type N deck is also known as Q-Deck.

Can't you just ask the contractor who the supplier is, and get the info from them.
 

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Find the manufacturer and get the max span from them and find out the max weight for said span.
 
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