Flame retardant bitumen

This invention relates to a stabilized, flame retardant roofing mat or sheeting impregnated with a composition comprising, a copolymeric styrene modified asphalt and a critical amount of between 35 and about 50 wt. % of colemanite. The invention also relates to the novel flame retardant composition...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GRUBE, LOUIS L, FRANKOSKI, STANLEY P
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:This invention relates to a stabilized, flame retardant roofing mat or sheeting impregnated with a composition comprising, a copolymeric styrene modified asphalt and a critical amount of between 35 and about 50 wt. % of colemanite. The invention also relates to the novel flame retardant composition which can be employed for treating roofing reinforcement and building siding material.