Manufacturer's Description:
General
Material is Coroplast™, which is made from polypropylene co-polymer resin
Deflection temperature F (@66psi) = 194(90C)
Melting point = 162C, 324F
Normal temperature performance range= -17F to 160F
MSDS available upon request
National Electric Code requires 3”clearance of insulation for Non-IC type recessed housings and no insulation on top.