Kerabit 5000 TOP FR

Kerabit 5000 TOP is a torchable (K-PS 220/5000 torch-on) top membrane of product category 2 for multi-layer roofing. The product is suitable for use with structures featuring a bitumen-laminated PIR thermal insulation with a fully attached TL 2 underlay membrane (Kerabit Base or Kerabit 3000 U). There is no need for a bearing layer of wool between PIR insulation and the underlay membrane, enabling faster installation. 

Kerabit 5000 TOP FR has a reinforced polyester felt as a carrier. The bottom surface of the product features modified torch-on bitumen, and the top surface slate granules.

The product colour is grey. Kerabit 5000 TOP FR is made to order.


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
approx. 4,4 mm
Nominal weight
5000 kg/m²
Weight of the supportive layer
220 g/m² (+/- 10 g/m²)
Supportive layer
Surface type

slate granulates

Rolls size
1 x 8 m / 8 m²
Packages / pallet
24 rolls
Weight / package
40 kg
Weight / pallet
985 kg

Handling and storage

Modified bitumen membranes are stored on pallets in a dry and cool place in an upright position. The rolls must be protected with plastic hoods or tarps. In temperatures over +40 °C, the rolls must be stored away from sunlight.


The product is used as a top membrane for multi-layer roofing.