(19)
(11) EP 0 025 115 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.05.1981 Bulletin 1981/21

(43) Date of publication A2:
18.03.1981 Bulletin 1981/11

(21) Application number: 80104567

(22) Date of filing: 01.08.1980
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 30.08.1979 US 70991
26.09.1979 US 79192

(71) Applicant: GAF CORPORATION
 ()

(72) Inventor:
  • Bondoc, Alfredo A.
     ()

   


(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.







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