Underlay sheets - Balcony underlay sheet


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A guaranteed-strength bitumen roof

Katepal grants a 15-year warranty for Kattolaatat shingles.

Balcony underlay sheet

An underlay sheet meeting the requirements of the finnish standard TL2. The underside has stripes of self-adhesive bitumen. The upside has a plain bitumen surface.


EAN Roll size (m) Roll weight (kg) Rolls / pallet
6417443268081 8 x 1,0 24 30
Roll size (m)8 x 1,0
Roll weight (kg)24
Rolls / pallet30

Technical data

Underlay class: TL2
Reinforcement: polyester felt
Bonding to substrate: ventilating underlay sheet, self-adhesive
Use: Balcony floors and roofs where the hot application is not possible.

Brochures and instruction