Classification in terms of fire resistance of layered roof coverings based on full trapezoidal sheet metal with thermal insulation in the form of a PIR board:
fire resistance REI15 maximum load utilization level 58%
maximum suspended load value 0.20 kN/m 2 – max. spread including 750 cm
Fire resistance classification
Classification no. 326/PRUSZYŃSKI/2016/K/4 – layered covering with a supporting element in the form of trapezoidal sheet metal