Use to protect the ceramic blanket during installation. 304 stainless steel mesh slides over insulated liner. Shrinks to fit liner when pulled lengthwise. All DuraFlex products must be insulated to meet UL 1777 requirements.
DuraFlex SS flexible relining is designed for masonry chimneys and for use with gas, wood pellet, oil, or wood appliances; Including fireplace inserts, furnaces, boilers, and water heaters.
DuraFlex SS relining systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex is available in 304 and 316Ti stainless steel. The 304 and 316Ti SS are designed for use with pellet, non-condensing gas, and oil appliances. DuraFlex SS and 316Ti SS, when used with the Simpson DuraVent Two-Ply Insulation Sleeve, may be used for relining wood burning fireplace inserts and stoves to meet UL 1777 and ULC S635 standards with 0" clearance to masonry.
- Dimensions: 7" - 9" Diameter x 25' Length
- Clearances: 0" to Masonry
- Listings: UL Listed to UL1777