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-   -   Fire rated drywall between garage and house...on both sides? (http://www.diychatroom.com/f101/fire-rated-drywall-between-garage-house-both-sides-47555/)

RyanD 06-26-2009 06:51 PM

Fire rated drywall between garage and house...on both sides?
 
So I'm renovation the downstairs and I'm putting up drywall walls against the garage. Currently the garage is finished so I'm assuming the walls in there have fire rated drywall but do the ones inside have to be too?

Scuba_Dave 06-26-2009 06:55 PM

Is it 5/8" sheetrock in the garage?
That is what is required
I'd do the inside with 5/8" too

oldrivers 06-26-2009 11:57 PM

inside its not required on single family , multi family i believe it is .

AtlanticWBConst. 06-27-2009 04:40 AM

Quote:

Originally Posted by oldrivers (Post 293622)
inside its not required on single family , multi family i believe it is .

+ 1

If you are not sure, or if there are more specifics to the situation, just call your local Building Dept. & ask them.

Paragon 06-28-2009 09:48 PM

Yup it is what is required in your municipality and the inspector would quite happily answer the specific question for you.

Good luck and be safe

Termite 06-29-2009 11:52 AM

The IRC code requires 1/2" rock on the garage side of the garage walls and any supporting structure (steel posts, stud walls, etc). If there is habitable space above the garage then 5/8" is required on the ceiling and any horizontal members such as steel beams. A lot of people spec 5/8" on the walls but the code does not require it.

In a single family residence under no circumstance should you have to have 5/8" (or 1/2" for that matter) on both sides of the wall separating the garage from the house. Just the garage side. The rock is intended as a fire membrane separation, not a true firewall that is designed to protect the structural elements from both sides of the wall.

RyanD 06-29-2009 12:00 PM

Quote:

Originally Posted by thekctermite (Post 294642)
The IRC code requires 1/2" rock on the garage side of the garage walls and any supporting structure (steel posts, stud walls, etc). If there is habitable space above the garage then 5/8" is required on the ceiling and any horizontal members such as steel beams. A lot of people spec 5/8" on the walls but the code does not require it.

In a single family residence under no circumstance should you have to have 5/8" (or 1/2" for that matter) on both sides of the wall separating the garage from the house. Just the garage side. The rock is intended as a fire membrane separation, not a true firewall that is designed to protect the structural elements from both sides of the wall.

It's a finished basement..so I shouldn't finish the inside walls because there is already drywall on the garage side?

Scuba_Dave 06-29-2009 08:49 PM

Quote:

Originally Posted by RyanD (Post 294645)
It's a finished basement..so I shouldn't finish the inside walls because there is already drywall on the garage side?

Do you mean it already has sheetrock up or some other wall cover?

You can put sheetrock up in the basement, just not required for fire code


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