Sulfur-based roof shingles

Details Sulfur-based roof shingles Sulfur-based roof shingles

1979-11-23

1981-05-19

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428283, 428285, 428288, 428289, 428290, 428291, 428921, B32B 1100, D06N 700

Patent

active

042685729

ABSTRACT:
Sulfur-based roof shingles which consist essentially of a fibrous base mat coated on at least one surface with a plasticized-sulfur composition were found to have surprising flexibility and fire resistance when compared to similar asphalt shingles.

REFERENCES:
patent: 3440064 (1969-04-01), Ludwig
patent: 3619258 (1971-11-01), Bennett
patent: 3721578 (1973-03-01), Bennett
patent: 4026719 (1977-05-01), Simic
patent: 4076885 (1978-02-01), Brossel
patent: 4079158 (1978-03-01), Kennepohl
patent: 4135022 (1979-01-01), Kennepohl
Ito et al., Flame-Retardant Acrylonitrile Fibers, (1971), Chemical Abstracts, vol. 75, 99234n.
Boll et al., Powdered Fire-Extinguishing Agents Based on Ammonium Polyphosphates, (1971), Chemical Abstracts, vol. 75, 78723f.
Sonnerstein et al., Dry-Fire Extinguishing Powder, (1971), Chemical Abstracts, vol. 74, 143948d.

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