Labels:hakham | trade name | window OCR: Prev Next Water Management of the Building Envelope Roofing Underlayments extruded Extremely LowP erm Underlavment cluminiurn low polyethylene donsity How is. it made? Composition by Laver Top to Bottom One layer of low- density virgin polyethylene {LDPE} to ASTM D4551. One (1 layer 10 1000 denier polyester multi-filament mesh One laver of extruded low-density polyethylene One aluminum (1) layer 12 microns thick. Icw bicurn density grio polyester [1 layer foil, of virgin what is it made polyelhylene of? One blown low-density polvethylene {LDPE} to ASTM D4551. Multi- layer low density polyethylene incorporating I multi- filament reinforced scrim and aluminum Perm Underlayment pumini polyethyl lene polvester polvethy bicwn polveste Ctai densit
