The DuraVent DuraPlus 6"–8" Storm Collar is a critical triple-wall chimney system weatherproofing component designed to seal chimney pipe penetrations and prevent water intrusion in wood stove chimney installations and all-fuel venting systems. Engineered to work with DuraPlus chimney roof flashing systems, this storm collar ensures a tight, secure seal around the chimney pipe, helping maintain system efficiency while protecting the structure from moisture damage. Its durable construction supports long-term performance in demanding outdoor chimney applications.

Built for continuous operation at flue gas temperatures up to 1000°F, the DuraVent DuraPlus storm collar meets strict UL 103HT chimney standards, including one hour at 1400°F and three 2100°F chimney fire tests. This essential chimney flashing accessory enhances roof penetration protection and ensures safe, code-compliant installation for all-fuel chimney systems.

Features

• Essential Chimney Roof Weatherproofing Component: Designed for 6"–8" DuraPlus triple-wall chimney systems, the storm collar provides a critical seal at roof penetrations in wood stove chimney installations and all-fuel venting systems.
• Required for Roof Flashing Installations: Must be used with DuraPlus roof flashing systems to create a complete weather-tight chimney roof penetration seal, preventing leaks and moisture intrusion.
• Improves Chimney System Protection: Helps protect the chimney pipe and roof structure from rain, snow, and wind-driven moisture, enhancing long-term chimney venting system durability.
• High-Temperature Seal Requirement: The inner edge of the collar must be sealed to the chimney pipe using non-hardening 500°F high-temperature sealant for secure, code-compliant performance.
• Supports Safe All-Fuel Installations: Ideal for wood stoves, fireplaces, furnaces, boilers, and all-fuel heating systems, ensuring reliable chimney performance in residential applications.

Specification