Granule coated waterproof roofing membrane

Abstract

A roofing membrane includes a membrane layer. An adhesive layer is adhered to a first side of the membrane layer and a layer of granules is adhered to the first adhesive layer.

1 . A granule coated waterproof roofing membrane comprising:
 a waterproof membrane layer;   an adhesive layer adhered to a first side of the waterproof membrane layer; and   a layer of granules adhered to the first adhesive layer.   
     
     
         2 . The roofing membrane according to  claim 1 , wherein the adhesive layer defines a first adhesive layer, and wherein the roofing membrane further includes a second adhesive layer bonded to a second side of the membrane layer. 
     
     
         3 . The roofing membrane according to  claim 2 , further including a release layer adhered to the second adhesive layer. 
     
     
         4 . The roofing membrane according to  claim 1 , wherein the membrane layer is reinforced with a woven or knitted fibrous material. 
     
     
         5 . The roofing membrane according to  claim 4 , wherein the woven or knitted fibrous material is formed from at least one of polyester fiber, glass fiber, and combinations thereof. 
     
     
         6 . The roofing membrane according to  claim 1 , wherein the waterproof membrane is reinforced with a non-woven fibrous material. 
     
     
         7 . The roofing membrane according to  claim 6 , wherein the non-woven or knitted fibrous material is formed from at least one of polyester fiber, glass fiber, and combinations thereof. 
     
     
         8 . The roofing membrane according to  claim 1 , wherein the waterproof membrane layer is formed substantially from at least one of ketone ethylene ester (KEE) resin, polyvinyl chloride (PVC), ethylene propylene diene monomer rubber (EPDM), and thermoplastic polyolefin (TPO). 
     
     
         9 . The roofing membrane of  claim 8  wherein the waterproof membrane layer is formed substantially from a blend of KEE and PVC. 
     
     
         10 . The roofing membrane according to  claim 2 , wherein the first and second adhesive layers comprise asphalt. 
     
     
         11 . The roofing membrane according to  claim 10 , wherein the asphalt of the first and second adhesive layers is a polymer modified asphalt. 
     
     
         12 . The roofing membrane according to  claim 11 , wherein the polymer modified asphalt includes one of styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), styrene-butadiene (SB), and blends thereof. 
     
     
         13 . The roofing membrane according to  claim 12 , wherein the polymer modified asphalt further includes at least one of a thermoplastic polymer and a thermoplastic polyolefin. 
     
     
         14 . The roofing membrane according to  claim 13 , wherein the polymer modified asphalt further includes at least one of polyethylene, polypropylene, an ethylene-propylene copolymer, limestone, dolomite, talc, recycled roofing material, tackifying resin, process oil, and wax. 
     
     
         15 . The roofing membrane of  claim 2 , wherein the roofing membrane is self-adhering. 
     
     
         16 . The roofing membrane of  claim 2  further comprising an adhesion promoting layer between the waterproof membrane and the adhesive layer for enhancing the adhesion between the adhesive layer and the waterproof membrane. 
     
     
         17 . The roofing membrane of  claim 16  wherein the adhesion promoting layer is a stranded material that has strand ends that extend into the adhesive layer. 
     
     
         18 . The roofing membrane of  claim 16  wherein the adhesion promoting layer is a stranded material that is bonded to the waterproof membrane and has strand ends that extend into the adhesive layer. 
     
     
         19 . The roofing membrane of  claim 1  wherein the granules are roofing granules. 
     
     
         20 . A roofing system configured for application to a low-slope roof, the roofing system comprising:
 a roofing membrane having a waterproof membrane layer, an adhesive layer adhered to a first side of the waterproof membrane layer, and a layer of roofing granules adhered to the adhesive layer;   wherein the granules of the layer of roofing granules define at least one of a color and a color blend;   wherein the low-slope roof is one of attached and adjacent a building structure having a roof covered with granule-coated roofing shingles, the granule-coated roofing shingles defining at least one of a color and a color blend; and   wherein the at least one of a color and a color blend of the layer of roofing granules is substantially the same as the at least one of a color and a color blend of the granule-coated roofing shingles.   
     
     
         21 . The roofing system according to  claim 21 , wherein the adhesive layer defines a first adhesive layer, and wherein the roofing membrane further includes a second adhesive layer bonded to a second side of the membrane layer. 
     
     
         22 . The roofing system according to  claim 21 , wherein the roofing membrane further includes a layer of release material adhered to the second adhesive layer. 
     
     
         23 . The roofing system according to  claim 20 , wherein the membrane layer is reinforced with a woven or knitted fibrous material. 
     
     
         24 . The roofing system according to  claim 23 , wherein the woven or knitted fibrous material is formed from at least one of polyester fiber, glass fiber, and combinations thereof. 
     
     
         25 . The roofing system according to  claim 20 , wherein the membrane is reinforced with a non-woven fibrous material. 
     
     
         26 . The roofing system according to  claim 25 , wherein the non-woven fibrous material is formed from at least one of polyester fiber, glass fiber, and combinations thereof. 
     
     
         27 . The roofing membrane according to  claim 20 , wherein the membrane layer is formed from a sheet of water impermeable material. 
     
     
         28 . The roofing system according to  claim 27 , wherein the sheet of water impermeable material is formed substantially from at least one of ketone ethylene ester (KEE) resin, polyvinyl chloride (PVC), ethylene propylene diene monomer rubber (EPDM), and thermoplastic polyolefin (TPO). 
     
     
         29 . The roofing system according to  claim 21 , wherein the first and second adhesive layers comprise asphalt. 
     
     
         30 . The roofing system according to  claim 29 , wherein the asphalt of the first and second adhesive layers is a polymer modified asphalt. 
     
     
         31 . The roofing system according to  claim 30 , wherein the polymer modified asphalt includes styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), styrene-butadiene (SB), and blends thereof. 
     
     
         32 . The roofing system according to  claim 30 , wherein the polymer modified asphalt further includes at least one of a thermoplastic polymer and a thermoplastic polyolefin. 
     
     
         33 . The roofing system according to  claim 30 , wherein the polymer modified asphalt further includes at least one of polyethylene, polypropylene, an ethylene-propylene copolymer, limestone, dolomite, talc, recycled roofing material, tackifying resin, process oil, and wax. 
     
     
         34 . The roofing system of  claim 21 , wherein the roofing membrane is self-adhering. 
     
     
         35 . The roofing system of  claim 20 , wherein the weathering performance of the roofing membrane is improved relative to an asphalt based, low-slope roofing membrane.