BauderTHERM DS1 DUO Air & Vapour Control Layer

BauderTHERM DS1 DUO is a technically advanced self-adhesive SBS elastomeric bitumen air & vapour control layer with patented “DUO” lap technology to ensure thorough sealing of lap joints, even in lower temperatures. The product also features thermally activated bitumen stripes on its top surface to provide the bonding compound for the insulation boards. The product benefits from cleaner, safer and faster installation than traditional torch-applied membranes.

Product Datasheet Declaration of Performance

Technical Data

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Roll size 1.08 x 7.5m
Surface finish Top: Foil & mica
Bottom: Release film over self-adhesive bitumen
Weight 4.5Kg/m²
Thickness 3.5mm
Reinforcement Polyester coated aluminium foil & 60g/m2 glass fleece 
Tensile strength (EN 12311-1) Length ≥ 400N/50mm
Diagonal ≥ 400N/50mm
Elongation (EN 12311-1) Length ≥ 2%
Diagonal ≥ 2%
Heat stability (EN 1110) +70°C
Cold bending (EN 1109) -25°C