Flue Flex "Heavywall" Liner Rutlands A new top sealing cap

A new top sealing cap damper will normally pay for itself the first year from the savings on the heating bill alone

In 18"x18" and 22"x22"

It is not for exterior use

container with a measuring cup

00 or more out of your chimney

Flue Flex "Heavywall" Liner Rutlands A new top sealing capHeavywall is extremely durable chimney liner and made from . 015 Stainless Steel. It features an interlocked design to maximize strength and exibility. Its the most rugged liner we recommend for those tight winch able situations. 304 can be used for wood burning appliances. Heavywall can withstand being ovalized and rectanglized to accommodate for unusual osets or rectangular chimneys. When a liner is taken out of round it does reduce the cross