APP waterproofing membrane manufacturers

On the basis of absorbing foreign advanced science and technology, our factory has developed various kinds of advanced waterproof equipment plants, and has got many national patents.Our company are APP waterproofing membrane manufacturers.
APP modified asphalt waterproof membrane is a waterproofing modified bitumen base sheet consisting of atactic polypropylene (APP) or amorphous poly-α-olefin (APAO, APO)modified asphalt reinforced with polyester fiber covering with polyethylene surfacing. 
Base sheet:polyester felt,glass fiber felt.
Upper surface isolation material:PEmembrane,fine sand,mineral granules.
Lower surface isolation material:PEmembrane.
Thickness:3mm,4mm,5mm