A brief discussion on the applicability of Class A insulation materials

The promulgation and implementation of Gongxiao [2011] No. 65 has had a great impact on the exterior wall insulation market. This regulation is strictly implemented in Gongtongzi [2009] No. 46. Insulation materials must use Grade A insulation materials, which makes the selection of insulation materials very narrow. Currently, Grade A insulation materials on the market…