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Techinical Information

Intumescent Silicone Firestop Ring That Protects Your Wall and Floor Openings

"Tested at positive pressure to simulate the pressure differentials that can occur in a fire situation"

SELF SEAL® TYPE-SSR is a pre-fabricated silicone rubber intumescent ring designed to seal combustible pipe penetrations in fire-rated walls and floors. The silicone composition exhibits excellent performance stability and when exposed to temperatures in excess of 300OF (150OC) it will begin to expand. As the pipe softens and collapses under fire conditions, the silicone composition will rapidly intumesce to fill the void with a patented char composite that contains expanded graphite. The ring is pre-fabricated to fit 1-1/2” (38 mm), 2” (51 mm), 3” (76 mm) and 4” (102 mm) trade sized pipes.

SELF SEAL® TYPE-SSR can be used to firestop 3” (76 mm) and 4” (102 mm) solid core Polyvinyl Chloride (PVC) vented and Chlorinated Polyvinyl Chloride (CPVC) sprinkler pipe penetrations through metal deck floor assemblies avoiding the need for a metal plate enclosure and firestop collar. Up to 4” (102 mm) flame retardant coated solid core Polyvinyl Chloride (XFR) vented piping firestopped with SELF SEAL® TYPE-SSR meets the Canadian building code test requirement for a pressure differential of 50 Pa between the exposed and unexposed sides of concrete and drywall fire separations.

SELF SEAL® TYPE-SSR is also in compliance with the 3rd edition of ANSI / UL1479 “Fire Tests of Through- Penetration Firestops”, to be effective May 23, 2006, for the following environmental exposure tests: Accelerated Aging; High Humidity; Industrial Atmosphere (SO2 and CO2) and Combination Wet, Freeze and Dry Cycling. FEATURES AND TYPICAL USES: SELF SEAL® TYPE-SSR seals combustible pipe penetrations through fire and smoke rated wall and floor separations. See MECHANICAL and ELECTRICAL APPLICATION CHARTS for details.

• All substrates must be clean and sound; free of oil, frost, grease, dust, and other foreign materials. • Select the intumescent ring(s) to fit the diameter of the pipe to be firestopped and install in accordance with the appropriate UL or cUL firestop systems. See APPLICATION GUIDELINES for further details.

SELF SEAL® TYPE-SSR is only recommended for use in firestop systems that are listed in either the UL Fire Resistance Directory Vol. 2 or the UL Directory of Products Certified for Canada.

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