Kerabit 2500 UB

SBS modified bitumen membrane with reinforced polyester carrier. Sand granules on both side of the membrane. The under and top side 100 mm wide adhesive edges are on opposite sides.


Manufacturer / Manufactured for
Nordic Waterproofing Oy, Lohja plant
Country of origin
Conformity marking
CE mark
Reaction to fire
Manufacturer’s fire testing certificate
Fire Classification


Manufacturer’s declaration of conformity
Kerabit modified bitumen roofing materials
Quality control
Quality control agreement between the Plant and Eurofins Expert Services Oy
Nominal thickness
2,2 mm
Nominal weight
2500 g/m²
Weight of the supportive layer
160 g/m² (+/- 5 g/m²)
Supportive layer
reinforced polyester felt
Surface type

sand granules

Rolls size
1 x 10 m / 10 m²
Packages / pallet
31 rolls
Weight / package
25 kg
Weight / pallet
800 kg

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.


The product is used as underlay or intermediate layer of multi-layer roofing and underlay for bitumen shingles.

  • Kerabit Sealing Adhesive for seaming gable seams