METHOD OF INHIBITING ALGAE GROWTH ON ASPHALT SHINGLES

A method of inhibiting algae growth on an asphalt shingle surface exposed to varying humidity using a blend of copper-containing algae-resistant granules and non-algae-resistant granules is presented. The copper-containing algae-resistant granules comprise a substrate granule having at least one inn...

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Bibliographische Detailangaben
Hauptverfasser:	FAY, WILLIAM T, SOBON, CHRISTINE A, GEORGE, BILLY L, KAYSER, MARK H, NARAYAN, SANKAR B
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES BUILDING FISHING FIXED CONSTRUCTIONS FORESTRY GUTTERS HUMAN NECESSITIES HUNTING PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS TRAPPING
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Beschreibung
Zusammenfassung:	A method of inhibiting algae growth on an asphalt shingle surface exposed to varying humidity using a blend of copper-containing algae-resistant granules and non-algae-resistant granules is presented. The copper-containing algae-resistant granules comprise a substrate granule having at least one inner ceramic coating layer comprising cuprous oxide and a seal coating having a thickness covering the inner layer and which is at time to devoid of copper.