Questions tagged [fireblocking]

For questions dealing with building materials or materials approved for use, and installed to resist the free passage of flame to other areas of the building through concealed spaces

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How to fireblock irregular shaped hole in subfloor with pipes and electrical wires?

I've created an access hole in my subfloor for a couple pipes and a few electrical wires to get down into the crawlspace. It's coming up through the floor behind a chase wall, but the space is super ...
1
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0answers
371 views

Fire blocking basement, regarding unfinished closet

Currently framing a completely unfinished basement, I would like to leave the closets unfinished, for space primarily and to have access to ceiling above. I have 3 closets, one leading to under the ...
2
votes
1answer
109 views

What can be used for CPVC firestops?

What materials to people use as a firestop for where CPVC lines penetrate through the wall/fireblocking? According to the manufacturer, apparently CPVC does not play well with certain materials. ...
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2answers
3k views

Balloon frame fire blocking

I've got a two-story balloon frame house that is gutted. I have to install fire blocking between studs in the wall cavity. Do I install the fire blocking wherever there is a floor, or wherever there ...
5
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2answers
807 views

Does conduit terminated in backless gang boxes defeat the purpose of fireblocking?

My understanding for an ENT conduit (other than for future flexibility) was that it was fire-rated, to reduce the spread of fire/air-flow between floors. If the conduit went through fire-blocks or ...