Underlay sheets - XtraBase underlay sheet


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A guaranteed-strength bitumen roof

Katepal grants a 15-year warranty for Kattolaatat shingles.

XtraBase underlay sheet

An underlay sheet for shingle roofing. Reinforced with a glassfibre felt. Meets the requirement for the finnish underlay class AKK2.


EAN Roll size (m) Roll weight (kg) Rolls / pallet
6417443250253 15 x 1,0 32 30
Roll size (m)15 x 1,0
Roll weight (kg)32
Rolls / pallet30

Technical data

Underlay class: AKK2
Reinforcement: glassfibre felt
Attachment: nails, self-adhesive edge
Uses: An underlay sheet for shingle roofing

Brochures and instructions