Marking guide lines on roofing mat

Details Marking guide lines on roofing mat Marking guide lines on roofing mat

B - Operations, Transporting

05

B

117/137, 32/59,

B05B 13/00 (2006.01) B05D 1/02 (2006.01) B05D 1/36 (2006.01) C04B 26/26 (2006.01) C04B 41/45 (2006.01) D06N 5/00 (2006.01) E04D 5/12 (2006.01)

Patent

CA 2015796

Paint is sprayed in a thin 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.

Cette invention concerne une méthode de marquage d'un substrat en fibres de verre par l'application de peinture en traits étroits avant l'imprégnation à bitume chaud. La température élevée du bitume entraîne la vaporisation instantanée du solvant de la peinture, processus qui laisse en place le pigment dans la masse du substrat. Les traits de peinture tracés de place en place servent de guides d'installation au couvreur.

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