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.  


  • Kerabit Sealing Adhesive for seaming gable seams
Manufacturer / Manufactured for Kerabit 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


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.