DuraFlex® Aluminum Masonry Relining
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 wall or space heating applications. Protects the masonry chimney from damaging effects of flue product condensation.
Specifications Applications
DuraFlex AL (DFAL) 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″, 6″, 7″, and 8″.
Listings
Listed to UL 1777 and ULC S635.
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