KSA DUO Underlayer

3 mm 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 1 x 7.5m
Surface finish Top: Foil
Bottom: Release film over self-adhesive bitumen
Weight  3.5Kg/m²
Thickness  3mm
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 (EN 1110) +100°C
Cold bending (EN 1109)

-25°C Top
-30°C Bottom