Process for marking guide lines on roofing mat

Details Process for marking guide lines on roofing mat Process for marking guide lines on roofing mat

1989-05-26

1990-10-30

Lawrence, Evan

Coating processes

Application to opposite sides of sheet, web, or strip

Nonuniform coating

427211, 427286, B05D 500, B05D 102, B05D 136, B05D 724

Patent

active

049667882

ABSTRACT:
Paint is sprayed in a line onto a fiber glass mat just prior to the mat being impregnated with hot asphalt. The temperature of the asphalt causes the paint solvent to flash, the process of which prevents the asphalt from displacing the pigment, leaving the paint pigment in place in the body of the mat. A number of such lines may be formed on the mat at predetermined spaced locations to serve as installation guide lines for the roofer.

REFERENCES:
patent: 1249734 (1917-12-01), Foster
patent: 1636750 (1927-07-01), Miller
patent: 1756989 (1930-05-01), Overbury
patent: 2039776 (1936-05-01), Caton
patent: 4102301 (1978-07-01), Reade et al.

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