Prefabricated SELF-ADHESIVE bitumen membrane produced using ADESO technology. POLYVAP SA P-AL is a top-quality prefabricated SELF-ADHESIVE bitumen membrane produced using ADESO technology, the new ELASTOMERIC (SBS) compound laminating system developed by Polyglass SpA. POLYVAP SA P-AL is a membrane produced to the standards set by NAT technology, the production system for the control of polymer matrix ageing in bitumen membranes. POLYVAP SA P-AL has a stabilized polyester nonwoven COMPOSITE carrier laminated with aluminium foil that gives good dimensional stability and excellent water vapour transmission resistance properties.
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