Subfloor thickness under carpet

Avramel · 05-13-2009, 10:10 AM

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!

Avramel · 05-14-2009, 02:26 PM

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.

05-13-2009, 10:10 AM	#1
Avramel Newbie Join Date: Dec 2008 Location: North Carolina Posts: 12	Subfloor thickness under carpet 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!

05-14-2009, 02:26 PM	#2
Avramel Newbie Join Date: Dec 2008 Location: North Carolina Posts: 12	Subfloor thickness under carpet 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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Subfloor thickness under carpet