Kerabit Valley Membrane Dual

Kerabit Valley Membrane Dual is a modified bitumen underlay for valleys. The carrier of the product consists of strong polyester with a modified bitumen coating on both sides. The underside surface is coated with adhesive bitumen, the top with adhesive bitumen and slate granulates.


Manufacturer / Manufactured for
Nordic Waterproofing Oy/Lohja Plant
Country of origin
Quality control
Quality control carried out at the Plant quality control and a quality control agreement between the Plant and Eurofins Expert Services Oy
Nominal thickness
approx. 3,6 mm
Nominal weight
4000 g/m²
Weight of the supportive layer
150 - 180 g/m²
Supportive layer
reinforced polyester
Surface type

slate granulates


Rolls size
0,7 x 10 m
Packages / pallet
24 pcs
Weight / package
28 kg
Weight / pallet
697 kg