Leadfree roof flashing material

Details Leadfree roof flashing material Leadfree roof flashing material

E - Fixed Constructions

04

D

E04D 5/10 (2006.01) E04B 1/62 (2006.01) E04D 3/40 (2006.01) E04D 13/14 (2006.01) E04D 13/147 (2006.01)

Patent

CA 2119583

A leadfree plate-shaped roof flashing material comprises a sandwich structure in which a stress damping and stabilizing layer (1) of ductile material is completely covered on one side and at least partly covered on the other side by preferably metallic foil sheetings (2, 3), e.g. of aluminium foil, designed with densely positioned flattened folded sections (4) having such a form, e.g. as closed inverted pleats, that the extreme material layer (4a) of each folded section gets into contact with the stress damping and stabilizing layer (1) only when the folded sections open in connection with deforming the flashing material to make it fit to the roofing.

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