Film-bitumen combination

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 11/04 (2006.01) B32B 27/32 (2006.01) B32B 27/34 (2006.01) E04D 3/35 (2006.01) E04D 5/10 (2006.01)

Patent

CA 2443284

Film - bitumen combination with at least three layers that is used in particular as a membrane to cover roof areas, where at least two film layers made from different materials are provided.

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