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This Standard provides a means of determining the non-combustible nature of elementary building materials. It shall be applied to materials used in the construction of buildings. It does not apply to materials with a decorative or protective coating, or impregnation, or built up of laminations of dissimilar materials.
Standard for Thermal Insulation, Polystyrene Boards (ULC S701.1)standard by Underwriters Laboratories of Canada, 02/25/2022
STANDARD FOR 650 °C FACTORY-BUILT CHIMNEYSstandard by Underwriters Laboratories of Canada, 04/07/2022
Standard for Factory-Built Type A Chimneysstandard by Underwriters Laboratories of Canada, 04/07/2022
Standard for Fireplace Inserts (ULC S628)standard by Underwriters Laboratories of Canada, 04/07/2022