Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1979-05-17
1980-07-15
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428259, 428258, 428268, 428273, 428441, B32B 700
Patent
active
042129133
ABSTRACT:
A roof coating system having an underlayer of coating material, an intermediate layer of woven fiber glass fabric that includes strands of bulked yarn in a relatively loose weave, and an overlayer of coating material, with the fiber glass fabric being embedded in the coating system between the underlayer and overlayer. The coating material of the underlayer and overlayer contains water, a high solids thermoplastic acrylic emulsion, calcium carbonate, titanium dioxide, sodium salt of polymeric carboxylic acid, a wetting, emulsifying and stabilizing agent and defoamers, with zinc oxide being used if desired for mildew resistance.
REFERENCES:
patent: 3395069 (1968-07-01), Plueddemann
patent: 3398044 (1968-08-01), Plueddemann
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