System No. W-J-2006June 24, 2003
F Rating — 2 Hr
FT Rating — 2 Hr
FH Rating — 2 Hr
FTH Rating — 2 Hr
System tested with a pressure differential of 50 Pa between the exposed and the unexposed surfaces with the higher pressure on the exposed side.
1. Wall Assembly
Min 4-1/2 in. thick reinforced lightweight or normal weight (100-150 pcf)
concrete. Wall may also be constructed of any UL Classified Concrete Blocks*.
Max diam of opening is 3 in.See Concrete Blocks (CAZT) category in the Fire Resistance Directory for names of manufacturers.
2. Through Penetrants
One nonmetallic pipe to be installed either eccentrically or concentrically within the firestop system. The annular space shall be min 1/16 in. to max 9/16 in. Pipe to be rigidly supported on both sides of floor or wall assembly. The following types and sizes of nonmetallic pipes may be used:
A. Polyvinyl Chloride (PVC) Pipe
Nom 2 in. diam Schedule 40 cellular or solid core
PVC pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems.
B. Chlorinated Polyvinyl Chloride (CPVC)
Nom 2 in. diam (or smaller) SDR 13.5 CPVC pipe for use in closed (process or supply) piping systems.
3. Firestop System
The firestop system shall consist of the following:*Bearing the UL Classification Mark
A. Fill, Void Or Cavity Material - Caulk
Min 1-1/2 in. thickness of fill material applied within the annulus, flush with both surfaces of wall. A ½ in. diam bead of caulk shall be applied at the 1/16 in. annular space between the pipe and periphery of opening on both surfaces of wall. RECTORSEAL Biostop 500+