DuraFlex AL Chimney Liner
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DuraFlex AL is an economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type-B gas vent for a wide range of applications, including: natural gas fireplaces, gas fired furnaces, boilers, water heaters, and or wall space heating applications. DuraFlex AL is designed to protect the masonry chimney from damaging effects of flue product condensation.
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DuraFlex Aluminum Chimney LinerAn economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications. Protects the masonry chimney from damaging effects of flue product condensation. 
DuraFlex
Aluminum Catalog
DuraFlex Aluminum Installation Instructions |
| Applications | Aluminum flexible relining for masonry chimney. Use
with natural gas or liquid propane category I, draft hood equipped appliances,
and appliances tested and listed to use Type B Gas Vent. Applications include:
natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and
wall or space heating applications. |
| Materials and Construction | Single-wall .010” aluminum (2-ply of .005”). |
| Clearances | 0" Clearance to masonry. |
| Diameters | 3", 4", 5", 5 ½", 6", 7", and 8". |
| Listings | Listed to UL 1777 and ULC S635. |
| Warranty | Limited Lifetime Manufacturer's Warranty - DuraVent warrants that its products will be free from substantial defects in material or manufacturing, if properly installed, maintained and used. |
See all DuraVent Chimney Pipe.
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