DuraVent DuraTech 20" Diameter Chimney Storm Collar - 20DT-SC

This unit requires venting pipe with an inner diameter of 20 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.

Features:

• Size: 20 Inches
• Required with DuraTech flashing
• Creates weather-proof penetration through roof deck
• Seal inner edge of collar to chimney pipe with non-hardening 500 F degree high-temperature sealant