Venting

7DT-TCR is a 7" & 8" Trim Collar for Round Support Box. This black round trim collar conceals the gap between the Round Ceiling Support Box and the ceiling cutout. This is a genuine manufacturer venting component.

7DT-TC is a 7" & 8" Trim Collar for Round Support Box. This black square trim collar conceals the gap between the Round Ceiling Support Box and the ceiling cutout. This is a genuine manufacturer venting component.

7DT-SC is a 7" & 8" Storm Collar made of aluminum. 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. This is...