Labels:dialog box | door | hakham | window OCR: Prev Next Water Management of the Building Envelope Roofing Underlayments Monofilament Flameproof Roofing Underlayment How Flameproof is it made? monofilament is comprised extruded alurminium OW dansity 01 three layers polvelhviene Composition by Layer Top to Bottom: One 1 layer ot low- density virgin polyethylene (LDPE} to ASTM D4551. One (1 laver 10 polyester HDPE mesh One [1] layer ot low- density virgin polvethylene (LDPE} to ASTM D4551. blowin low density HDPE polyelhylene grid Underlavments Underlavment polvelt hylene toil polvester polyethy lene blown gria