3M Firestop Pipe Cast-In Device: 4.5 in Overall Ht, 1.5 to 2 in For Pipe Size
The 3M Firestop Pipe Cast-In Device (MPN 3TB) is a 4.5-inch overall height firestop collar for plastic pipes sized 1.5 to 2 inches. It provides a 3-hour fire rating for plastic pipe materials.
SKU 3G-OTH-547523
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Product Description
The 3M Firestop Pipe Cast-In Device (MPN 3TB) is a 4.5-inch overall height firestop collar for plastic pipes sized 1.5 to 2 inches. It provides a 3-hour fire rating for plastic pipe materials.
Frequently Asked Questions
What is the 3M Firestop Pipe Cast-In Device used for?
The 3M Firestop Pipe Cast-In Device (3TB) is used to seal plastic pipes sized 1.5 to 2 inches where they pass through fire-rated walls or floors. It maintains a 3-hour fire rating by expanding when heated, preventing flame and smoke spread in commercial and industrial buildings.
What are the specifications of the 3M Firestop Pipe Cast-In Device?
The 3M Firestop Pipe Cast-In Device (MPN 3TB) has a 4.5-inch overall height, fits plastic pipes sized 1.5 to 2 inches, and provides a 3-hour fire rating. It is designed for cast-in-place concrete installations and is manufactured by 3M.
Where to buy the 3M Firestop Pipe Cast-In Device worldwide?
3G Electric supplies the 3M Firestop Pipe Cast-In Device (3TB) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this firestop collar.
How to install the 3M Firestop Pipe Cast-In Device?
Install the 3M Firestop Pipe Cast-In Device by positioning it around the plastic pipe before concrete is poured. Ensure the device is centered and secured to the formwork. After concrete cures, the device remains in place, expanding during a fire to seal the pipe penetration. Follow local firestop codes.
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Common applications for 3M3M Products
3G Electric supplies 3M firestop collars for pipes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









