DBR Vapour Control Layer

DBR is a 0.4 mm thick self-adhesive elastomeric bitumen vapour barrier, featuring an aluminium foil facing for vapour impermeability. 

Technical Data
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Roll size 1.25 x 60m
Surface finish Top: Aluminium foil
Bottom: Release film over self-adhesive bitumen
Weight 0.4Kg/m²
Thickness 0.4mm
Reinforcement Aluminium foil & 50g/m2 polyester
Tensile strength (EN 12311-1) Length ≥ 950N/50mm
Diagonal ≥ 750N/50mm
Elongation at break (EN 12311-1) Length ≥ 4%
Diagonal ≥ 4%
Cold bending (EN 1109) -40°C