WHAT DOES CHIMNEY FLUE LINERS MEAN?

Laser welded seams lock gases and humidity inside of and the liners stay flawlessly spherical. The interior of the rigid liner is easy, supplying you with a twenty% much better draft for fuel burning appliances in addition to a fifteen% far better draft for oil appliances. Rock-Rigid chimney liners are UL1777.Ensure the correct measurement liner, s