Patent ID: 7879420

Claim:
A roofing product including a roll of material, the product comprising: a paper layer having a grammage between 30 and 150 g/m 2 and having a first surface and a second surface; a barrier layer formed on the first surface of the paper layer, the barrier layer comprising a polymeric film having a grammage between 10 and 30 g/m 2 ; a release layer on the barrier layer, the release layer comprising a cured solvent-free silicone, and having a grammage between 0.5 and 1.5 g/m 2 ; a layer of bituminous material on the release layer; a plastic film layer partially covering the bituminous material; and, a discontinuous non-stick cured silicone layer partially covering the second surface of the paper layer and arrayed as stripes on edge areas of the second surface of the paper layer, the non-stick layer having a grammage from 0.3 to 3.0 g/m 2 .