Materials and methods for lining a chimney

Details Materials and methods for lining a chimney Materials and methods for lining a chimney

E - Fixed Constructions

04

G

E04G 23/02 (2006.01) E04F 21/14 (2006.01) F23J 13/02 (2006.01)

Patent

CA 2621526

A method of relining a chimney includes: inserting a sleeve into a chimney; subsequently coating the sleeve with a flowable refractory material while the sleeve is positioned in the chimney. The flowable refractory material hardens on the sleeve to provide a refractory surface on the inner surface of the sleeve. The sleeve may be flexible or rigid, and may be lined with an insulating material. A high-temperature resistant fabric with an aluminum foil outer liner is preferred. The flowable refractory material may be a blend of inorganic materials and inert aggregates together with a high temperature resin bonding agent. The inert aggregates may include 50-80% Al2O3 and 10-40% SiO2.

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