Kerabit RA-TA 60 K+

Kerabit RA-TA 60 K+, a plastic underlay is a fabric underlay woven of HPDE polyethylene and laminated on one side with LDPE polyethylene. The other side is covered with a polypropylene fabric absorbing condensation moisture.

This product is UV-protected.


Manufacturer / Manufactured for
Nordic Waterproofing Oy, Lohja plant
Country of origin
Conformity marking
Production material
LDPE film, HDPE fabric, PP non-woven fabric
Nominal weight
140 g/m²
Rolls size
1,5 x 40 m / 60 m²
Need for materials
surface area of roof x 1,15
Packages / pallet
60 rlls
Weight / package
8,4 kg
Weight / pallet
526 kg


This product is used as an underlay on tile, metal and other laminar roofing. The roofing proper must be installed within one month of the installation of the underlay.


Handling and storage information

Underlay rolls should be kept protected from the weather and sunlight.

  • Tyvek Windbarrier tape for seaming, repairing and waterproofing the underlay
  • Isola FlexWrap for fastening the underlay to a chimney and lead-throughs.
  • Kerabit Butyl Strip for fastening the underlay to the eaves flashings and the laths and the underlay