Underlay sheets - PrimeBase

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A guaranteed-strength bitumen roof

Katepal grants a 15-year warranty for Kattolaatat shingles.

PrimeBase

SBS elastomer bitumen underlay

PrimeBase is an insulation membrane used in pitched roofs for the following purposes:

  • as underlay under shingles
  • as underlay in valleys of continuous roofing systems or bitumen roofing with upstanding sidelaps
  • as underlay under tiled and sheet roofs, where close boarding is always required

Information

Roll size (m)
20 x 1,0
Rullan mitat (m)20 x 1,0

BROCHURES AND INSTRUCTIONS