Asphalt shingles with a fire-retardant additive

A roofing shingle having a fire-retardant material added to the shingle in specific locations is provided. In one aspect a roofing system with two or more asphalt-coated substrates and a sealant material provided between the substrates is provided. The sealant material adheres an overlying and under...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Verhoff, Jonathan Michael, Lewis, Barry Michael
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A roofing shingle having a fire-retardant material added to the shingle in specific locations is provided. In one aspect a roofing system with two or more asphalt-coated substrates and a sealant material provided between the substrates is provided. The sealant material adheres an overlying and underlying shingle together and can contain a fire-retardant material. In a second aspect of the present invention, a multi-layer laminated shingle is provided with an adhesive material between one or more asphalt-coated substrates which adheres the asphalt-coated substrates together and can contain a fire-retardant material.