APPLYING SPRAY FOAM INSULATION ON AND AROUND PLASTIC PIPES
Civil + Structural Engineer
NOVEMBER 9, 2023
PPI and SPFA recommend that when there are plastic pipes and fittings in a wall, ceiling, or floor cavity, the SPF installer should apply one layer of foam until it touches the pipe but does not encase the pipe. Pipe and fitting materials include CPVC, PEX, PEX/AL/PEX, PE-RT, PP-R, PP-RCT, PSU, PPS, PPSU, and PVDF.
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