Bituminized roof sheet

Details Bituminized roof sheet Bituminized roof sheet

B - Operations, Transporting

32

B

154/84

B32B 3/28 (2006.01) D06N 5/00 (2006.01) E04D 5/10 (2006.01) E04D 5/12 (2006.01)

Patent

CA 1132896

HOE 78/F 125 BITUMINIZED ROOF SHEET Abstract of the disclosure: The flame resistance of a bituminized roof sheet con- sisting of a reinforced fleece, a metal foil and bitumen is improved substantially by applying a metal foil to least one face. A rupture of the metal foil in the case of stress due to elongation is prevented by wrinkling it. The elongation reserve thus obtained is in the range of from 2 to 35 %.

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