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Discussion Starter #1
Hi, I have 7/16 OSB that was installed in an unfinished space when my house was built (about 15 years ago). The joists are 16 inches apart. I am now finishing the space and will be putting carpet into the room.

Is there anything in the building codes that would indicate putting in a thicker subfloor? Am I asking for trouble by using the existing subfloor? Thanks!
 

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Discussion Starter #2
Answer from Building Inspections Department

Talked to the local Inspections Department. They quoted code to add a 1/4 inch plywood or osb layer over the 7/16 osb and I would be good to go.
 
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