chimney flue liners Fundamentals Explained
Laser welded seams lock gases and humidity inside of as well as liners continue to be perfectly spherical. The inside of your rigid liner is sleek, supplying you with a 20% far better draft for gasoline burning appliances as well as a 15% much better draft for oil appliances. Rock-Rigid chimney liners are UL1777.A damper is a movable plate or valve