The Ontario Building Code | Wood Decorative Cladding wood Decorative Cladding

(1) wood decorative cladding is permitted to be used on exterior marquee fascias, of a storey having direct access to a street or access route, of a building required to be of noncombustible construction, provided the cladding is fire-retardant treated wood that, before testing to CAN/ulc-S102, "Test for surface Burning Characteristics of Building Materials and Assemblies", has been conditioned in conformance with ASTM D2898, "Accelerated Weathering of Fire-Retardant-Treated Wood for Fire Testing".