KSA DUO Underlayer

3mm thick technically advanced self-adhesive elastomeric bitumen underlayer with DUO lap technology and glass lattice reinforcement.

KSA DUO bitumen underlay

Technical data
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Roll size (m) 1 x 7.5
Weight (Kg/m²) 3.5
Thickness (mm) 3
Surface finish Top: Foil
Bottom: Release film
Reinforcement 200g/m2 glass lattice
Tensile strength (EN 12311-1) Length ≥ 1000N/50mm
Diagonal ≥ 1000N/50mm
Elongation at break (EN 12311-1) Length ≥ 2%
Diagonal ≥ 2%
Heat stability °C (EN 1110) +100
Cold bending  °C (EN 1109) -30