What's special about these RTC collar?
- Can be used with all common construction materials, including concrete floors, concrete over steel deck, concrete walls, concrete block walls and gypsum.
- One collar fits 3 and 4 inch pipes and couplings for an exact fit.
- Expansion starts at 320° F (160° C) and continues expanding up to 1,000° F (538° C) to ensure a tight seal.
- Click for More Features
Intumescent RTC Firestop Collars are designed to seal around plastic pipes that penetrate through fire-resistance rated walls and floors. When temperatures exceed 320° F (160° C), the insert starts to expand and will seal out any fire or smoke.
|Part #||Description||Quantity / Pack||Price / Pack|
|STI-RTC350||Adjustable Firestop Collar, 3 or 4 inches, for pipes and couplings||6||
|Product Name||RTC Firestop Collar|
|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)|
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