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(11) | EP 0 025 115 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | High-strength roofing products using glass fiber mats; multiply systems and glass fiber mats per se |
(57) High strength roofing products using a novel glass fiber mat are described herein.
The roofing products include shingles and built up roofing membranes and systems. |