Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-08-20
1985-06-04
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156 71, 428150, 4283166, 4283184, 428480, 428489, B32B 310, B32B 502, B32B 518, B32B 1102
Patent
active
045214786
ABSTRACT:
The invention comprises a built-up roof material that has a composite membrane that is formed and affixed to the roof substrate in a single step. The membrane comprises a sheet of heat-resistant, non-woven polyester sandwiched between layers of asphalt. The upper asphalt layer is caused to flow through the polyester and meld with the lower layer of asphalt to form a homogeneous composite.
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"Paving the way for HOT Polyester", by Teresa O'Dea, 1984.
"Hageman's Polyester Felt Dominates Field", vol. 2, No. 1, 1982.
"Commerce", Mar. 1984.
"Hageman is Leader in Use of Polyester Felt".
"Cold Weather No Problem for Hageman Roofing".
"Hageman Roofing Moving at Record Pace".
Salzman Robert S.
Van Balen William J.
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