Designed to firestop plastic pipes, the STI firestop collars and fittings available from Discount Low Voltage offer a safe and high-performance solution that’s also economical. These intumescent firestop collars are made of heavy-gauge galvanized metal with molded, intumescent inserts. When exposed to high heat, the inserts can expand from 32 to 64 times their original size to seal off burning pipes. Flexible and durable, these water-resistant collars feature a compact design that makes them easy to install, even in tight spots.
A firestop collar from STI is an economical and practical way to help prevent the spread of fires in pipes. Use these firestop collars to seal off plastic pipes penetrating fire-rated walls and floors.
Available in sizes ranging from 1.5” to 6”, these collars work with many types of plastic piping, including PVC, PVC foam core, CPVC and ABS. They are also good for FRPP, PP, PVDF and HDPE pipes. Use them for vented (DWV) and closed electrical conduit and water installations. Products include:
• Firestop Collar for 1.5” Dia. Plastic Pipe
• Firestop Collar for 2” Dia. Plastic Pipe
• Firestop Collar for 3” Dia. Plastic Pipe
• Firestop Collar for 4” Dia. Plastic Pipe
• Firestop Collar for 6” Dia. Plastic Pipe
When in stock, these items typically ship within one business day of your order.
These firestop collars offer an economical yet safe and effective solution for firestopping plastic pipes. They are easy to install even in tight spaces, thanks to their slim profiles and STI’s quick-closure system. Qualifying orders are eligible for free shipping, and orders shipped outside California pay no sales tax.
Watch the brief videos on selected product pages to see these firestop collars up close and personal. You can also download user guides and data sheets on these pages.
For answers to any questions you may have about these products or firestopping pipes in general, give us a toll-free call or shoot us an email. We’ll give you expert feedback that will help you do the job right.