Kerabit 700 UB is a bituminous underlay, that can be used laid on solid wood underlays or as a hanging, step-resistant underlay.

Both sides of the underlay are covered with a polypropylene fabric. This underlay has an adhesive edge. The surface has no sand.

Kerabit 700 UB can be used as an underlay for tin and tile roofings as well as bitumen shingles.

This product is diffusion-proof, therefore requiring ventilation in the space below the underlay.



  • Kerabit Sealing Adhesive for seaming gable seams
Manufacturer / Manufactured for Kerabit Oy, Lohja plant
Country of origin Sweden
Conformity marking CE
Nominal weight 700 g/m²
Supportive layer polyester
Surface type

polypropylene weave

Rolls size 1,0 x 30 m / 30 m²
Surface bitumen SBS modified bitumen
Colours black
Packages / pallet 24 pcs
Weight / package 21 kg
Weight / pallet 529 kg