Kerabit 3000 UB

Kerabit 3000 UB is a modified bitumen underlay membrane with a polyester felt as a carrier. The top and bottom surfaces are coated with sand. The 100 mm wide adhesive sections are located on the top and bottom surfaces, on opposing sides.  



This product is used as an underlay for tile and metal roofs and also as a vapour-barrier. 

Handling and storage 

Modified bitumen membranes are to be stored on pallets in a dry and cool place. Use a plastic hood or tarpaulin for protection. When the outdoor temperature exceeds +40°C, the rolls must be protected from sunlight.

  • Kerabit Sealing Adhesive for seaming gable seams
Manufacturer / Manufactured for Nordic Waterproofing Oy/Lohja Plant
Country of origin Finland
Conformity marking CE
Reaction to fire Manifacturer´s declaration of the fire test
Fire Classification


Manufacturer’s declaration of conformity Kerabit modified bitumen roofing
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 2,5 mm
Nominal weight 3000 g/m²
Weight of the supportive layer 170 g/m² (+/- 10 g/m²)
Supportive layer reinforced polyester felt
Surface type

sand granules.

Rolls size 10 x 10 m / 10 m²
Packages / pallet 31 rolls
Weight / package 30 kg
Weight / pallet 955 kg