7DT-SC | 7" DuraVent DuraTech Aluminum Storm Collar

7DT-SC | 7" DuraVent DuraTech Aluminum Storm Collar

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Inventory ID: COP70790

7" DuraVent DuraTech Aluminum Storm Collar 7DT-SC This storm collar is required with DuraTech flashing to create a weather-proof penetration through the roof deck. Seal inner edge of the collar to the chimney pipe with non-hardening 500 ° F high-temperature sealant. Approved for most fuel types 430-alloy stainless steel inner wall 2" clearance to combustibles ThermalTech blanket insulation eliminates hot spots Twist-lock connections for strong secure fits Able to vent large fireplaces and building heating appliances Clean smooth exterior finish 10”-24” diameter pipes feature an .027” 430 stainless steel inner wall and an outer wall of .029” galvalume or .027” 430 stainless steel. A Refractory insulation is encased between walls. Only stainless pipes use the stainless end rings. Regular galvalume pipe uses galvalume end rings.

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