Roofing Material

A roofing material and process for making same has a granular surface formed from coated granules embedded in an upper layer of modified asphalt. The granules are coated with a coloring composition and with a hydrophobic material. To assure adequate color intensity and a physically strong attachment...

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Bibliographische Detailangaben
1. Verfasser:	KHAN AMIR G
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BUILDING FIXED CONSTRUCTIONS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR GUTTERS LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS SPRAYING OR ATOMISING IN GENERAL TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL
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Beschreibung
Zusammenfassung:	A roofing material and process for making same has a granular surface formed from coated granules embedded in an upper layer of modified asphalt. The granules are coated with a coloring composition and with a hydrophobic material. To assure adequate color intensity and a physically strong attachment of the coating on the granule, multiple layers of coloring composition are applied to the granules and are fired at a high temperature for a significant period of time. High reflectivity can be achieved using the coated granules, as well as a high degree of hydrophobicity to aid in shedding water, in particular acidic rainwater to increase roofing membrane performance and useful life.