Kerabit Valley Membrane

Kerabit Valley Membrane is a modified bitumen underlay for valleys and chimney and wall upturns. 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 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 - 4400 g/m²
Weight of the supportive layer
150 - 180 g/m²
Supportive layer
reinforced polyester
Surface type

slate granulates /slag (black)


Rolls size
0,75 x 10 m / 11 m²
black, grey, red, brown, green, grey-white, red-black, brown-black, green-black, copper, midnight black
Packages / pallet
25 pcs
Weight / package
30 - 33 kg
Weight / pallet
775 - 845 kg