"Sasha" wrote in message
om...
I would be really thankful to anyone who could explain clear to me
where fire stopping are put in basement walls. My township building
permit requirements say "Fire stopping, which is the blocking off of
the connection between concealed vertical spaces and concealed
horizontal spaces (such a furred wall to a ceiling space), is
required. This is a lot easier to put in before the walls and ceilings
are constructed." The building permits department clerk gave me a
booklet with very poor drawing of the basement wall so I can't
understand where fire stopping piece of drywalls is to be put. I
thought initially that pieces of 1/2" thick 14 1/2 inches long drywall
are fastened between wall vertical studs to the bottom of upper
horizontal wall stud so that fiberglass insulation does not touch
upper horizontal stud and though it joists. Is it correct? If not
where does the fire stopping go? Also are fire stoppings required only
for out perimeter walls that have insulation? Are they needed for
inside partition walls that have no insulation?

I'm not an expert in this, but don't you have a top plate over your "furred
wall"? A 2xX top plate should be an adequate firestop, but any penetrations
in it for wires or pipes need to be caulked with firestop caulk. The
firestop needs to be as deep as the wall furring plus any gap between the
wall and the furring strip/stud.

If you don't have a top plate, then that is the problem. Find a way to cover
those vertical wall cavities completely with sheetrock or 2x lumber.

I heard once that fiberglass insulation was a firestop. If so, then perhaps
stuffing that hole with insulation up into the joist space would suffice.
Need to get a clarification from your inspectors on that.

--
Mark
Kent, WA