SpecSeal® RTC Firestop Collars adapt to the size combustible pipe that you are working with. One collar is designed to address standard 3 in. & 4 in. plastic pipes as well as their associated couplings. RTC Firestop Collars adaptable nature make them an excellent tool to have at hand when bringing combustible penetrations up to code.
| Shell Construction | Nom 22 GA galvanized steel (0.03” thick (0.76 mm) |
| Intumescent Insert | Molded one piece |
| Sizes Accommodated | 3” trade size pipe (89 mm) 3” trade size pipe fitting (102 mm) 4” trade size pipe (114 mm) 4” trade size pipe fitting (127 mm) |
| Expansion Begins | 320°F (160°C) |
| Volume Expansion | 32x to 64x (free expansion) |
| In Service Temperature | =120°F (49°C) |
Installation Manual