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System to repair the bitumen waterproofing layer on old flat roofs using a hybrid polyurea membrane

Commercial building

Roof

Waterproofing

Application steps

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1

Old worn bitumen sheath (with hems)

2

Primer

3

Hybrid polyurea membrane

4

Coating (2 coats)

5

Sealant for flashing

6

Installing a granite doorstep

Technical pack

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