DEFORMABLE ROOFING WATERPROOFING MATERIAL AND METHOD FOR ITS PRODUCTION Russian patent published in 2000 - IPC

Abstract RU 2144121 C1

FIELD: construction engineering. SUBSTANCE: deformable roofing material is made in the form of band or strip and consists of at least partly of manually deformable metal sheet or foil in the form of continuous wave. Band or strip comprises at least two sheets of metal or foil placed one upon other. Each of them is in the form of continuous wave realized in two directions. Application of aforesaid material allows for improving rigidity of roofing material. EFFECT: higher efficiency. 12 cl, 6 dwg

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RU 2 144 121 C1

Authors

Susanne B'Ergegor Andersen

Per Jakobsen

Dates

2000-01-10—Published

1995-04-07—Filed