Nordpoly 4M (mineral) is a nominal 4 mm thick, APP modified bitumen waterproofing membrane reinforced with a nonwoven spunbond polyester carrier.
The top surface is covered with colored mineral granules and the underside is covered with a printed burn off polyethylene film.
Nordpoly 4M is FM Approved, Miami Dade and Florida Building Code Approved. Nordpoly 4M meets or exceeds the criteria for ASTM D 6222, Type I, Grade G.