KSA DUO 35 Underlayer

KSA DUO 35 is a 3.5mm thick self-adhesive elastomeric bitumen underlayer with DUO lap technology and glass lattice reinforcement. Due to its increased thickness KSA DUO 35 provides even more durability than the orginial KSA DUO underlayer.

Product DatasheetDoP


Technical data

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Roll size 1 x 7.5m
Surface finish Top: Foil
Bottom: Release film over self-adhesive bitumen
Weight  4Kg/m²
Thickness  3.5mm
Reinforcement 300g/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