The Ontario Building Code | Flame Resistance Flame Resistance

(1) Air-supported structures shall be constructed of material conforming to CAN/ulc-S109, "Flame Tests of Flame-Resistant Fabrics and Films", or nfpa 701, "Fire Tests for Flame Propagation of Textiles and Films".

(2) Materials for fabrics used in connection with air-supported structures are exempt from compliance with the requirements for flame-spread ratings for interior finishes in Subsection 3.1.13.