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-   -   Fire Stop (http://www.diychatroom.com/f15/fire-stop-39539/)

jamiedolan 03-02-2009 11:59 PM

Fire Stop
 
I have areas that I know I need to add fire stop in, like where conduit runs between floors, or drops down through rock into sofit boxes to feed lights. I have used some great stuff, but know it isn't a fire stop material and will burn.

Can I use traditional plaster as a fire stop? When you use it on your walls, I know it qualifies as a fire stop material. It sure as heck doesn't burn.
Thanks
Jamie

DangerMouse 03-03-2009 05:15 AM

hey jamie... just go buy a tube or two of fireblocking caulk. lots easier to squirt in the holes. Po)

DM

Bob Mariani 03-03-2009 07:17 AM

plaster must be finished which tightens and strengthens the surface, which makes it somewhat fire resistant. Placing in a hole will not be sufficient. Use rated materials only. like blocking, fire caulk, fire rated great stuff (orange), wool fibers, fire blocking mortar, 5/8" sheet rock The fire blocking is used to seal air flow inside a chase. It also must be rated to last 25 plus years.

DangerMouse 03-03-2009 07:34 AM

side note, i'm using 3M's FB 136 caulking. Po)

DM

ponch37300 03-03-2009 08:22 AM

jamie, not sure if you've seen it or not but the kctermite has a good how to on fireblocking in the how to site that has some info on what materials to use where.

jamiedolan 03-03-2009 11:06 AM

Quote:

Originally Posted by ponch37300 (Post 239617)
jamie, not sure if you've seen it or not but the kctermite has a good how to on fireblocking in the how to site that has some info on what materials to use where.

Do you know where this is? I'd like to read it.

Jamie

jamiedolan 03-03-2009 11:08 AM

Quote:

Originally Posted by DangerMouse (Post 239567)
hey jamie... just go buy a tube or two of fireblocking caulk. lots easier to squirt in the holes. Po)

DM

I have some areas like where lots of tubes of smurf penetrate through the plaster ceiling (which will be built into sofit boxes). I was thinking about plastering right up to. I think I would use alot of tubes of fire stop caulk just around these ENT tubes.

Jamie

drtbk4ever 03-03-2009 11:39 AM

Here is it.

http://www.diychatroom.com/f98/how-f...framing-37190/


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