DuraVent DuraTech Firestop Radiation Shield: closes chimney openings between floors without a support box
The DuraVent DuraTech Firestop Radiation Shield is a flat plate with a collar that closes a chimney opening between floors where there’s no support box. It blocks fire from spreading between floors while keeping framing 2 inches away. It fits beneath the ceiling and adjusts to cover framing. You don’t need it at the first ceiling’s support box or at the roof. DuraTech is DuraVent’s double wall chimney, an insulated pipe with a 1 inch wall that takes over from the stovepipe at the ceiling or wall and runs up past the roof.
Choose a 5, 6, 7, or 8 inch diameter to match your chimney and stove’s flue outlet. Chimney sections come in lengths from 6 to 60 inches and stack together. Each joint takes up 1 1/4 inch, and an adjustable pipe fills the final gap. With suitable shields and straps, the chimney can run exposed through an attic or outside along a wall. It can also run inside a chase, an enclosure that needs ventilation air. Framing must stay clear of the pipe either way. Entering the attic? See the DuraVent DuraTech Attic Insulation Shield, an attic guard. The DuraVent DuraTech Firestop Radiation Shield ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.








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