초록 ▼

Roofing material consists essentially of a substrate, a hot melt material applied to one side of the substrate, an asphalt material coating the other side of the substrate and roofing granules disposed on said asphalt material coated on the substrate. The hot melt material may be polyethylene, polye

Roofing material consists essentially of a substrate, a hot melt material applied to one side of the substrate, an asphalt material coating the other side of the substrate and roofing granules disposed on said asphalt material coated on the substrate. The hot melt material may be polyethylene, polyethylene-vinyl acetate, polypropylene, polyvinylidene chloride, polyester, nylon and mixtures thereof. The asphalt material may include non-asphaltic filler.

대표청구항 ▼

1. A roofing material having an upper surface and a lower surface, said roofing material consisting essentially of: (a) a substrate consisting essentially of a fibrous web;(b) a hot melt material applied directly upon one side of said substrate, wherein said lower surface of said roofing material co

1. A roofing material having an upper surface and a lower surface, said roofing material consisting essentially of: (a) a substrate consisting essentially of a fibrous web;(b) a hot melt material applied directly upon one side of said substrate, wherein said lower surface of said roofing material comprises said hot melt material;(c) an asphalt material applied directly upon the other side of said substrate; and(d) roofing granules disposed directly upon said asphalt material, wherein said upper surface of said roofing material comprises said asphalt material and said roofing granules. 2. The roofing material according to claim 1, wherein said hot melt material is selected from the group consisting of polyethylene, polyethylene-vinyl acetate, polypropylene, polyvinylidene chloride, polyester, nylon and mixtures thereof. 3. The roofing material according to claim 1, wherein said asphalt material includes non-asphaltic filler. 4. The roofing material according to claim 3, wherein said non-asphaltic filler is limestone. 5. The roofing material according to claim 1, wherein said hot melt material is applied at over 0.5 lb./sq. 6. The roofing material according to claim 5, wherein said hot melt material is applied at 1.0 lb./sq to 1.5 lb./sq.