This National Standard of Canada applies to factory-built chimney assemblies which do not require field fabrication. They are for use with gas, liquid and solid fuel-fired residential appliances and building heating equipment,where the flue-gas temperatures normally do not exceed 650 C. They are intended forinstallation inside or outside of buildings to provide an essentially vertical conduit or passageway forconveying flue gases to the outer air from the above-described class of appliances.
