Smart Humidity Variable Airtight Vapour Control Layer VARA PLUS is a smart humidity variable airtight vapour control layer with an optimum permeability range. Advanced Hygrovariable Technology allows incredible summer drying conditions, but can equally protect the construction in winter. Why Partel VARA PLUS? Innovative airtight membrane that changes permeability according to the ambient relative humidity (RH) – this contributes to maximum protection in the building envelope where moisture levels are critical Ensures optimum moisture flow through building structures with a Sd range of -0.4m to 30m Hygrovariable Technology – Extremely safe airtight system High- performance solution that provides protection from heat loss through the thermal insulation Elastic and durable Reinforced for optimum strength Durable towards UV aging EPD certified Technical Data WEIGHT EN 1849-2 120 g/m² SD-VALUE EN 1931 -0.4 M TO > 30 M TEMP RESISTANCE -40° TO 80°C TENSILE STRENGTH EN 12311-2 MD 350 / CD 315 / 50mm NAIL TEAR RESISTANCE EN 12310-1 MD 350 N / CD 375 Application VARA PLUS is a smart vapour control layer designed for internal use on the warm side of insulation on wall, ceiling, roof and floor applications by controlling and limiting sources of interstitial condensation. Suitable for: Timber frame, masonry or steel construction Roof, wall, floor and ceiling applications Externally vapour open and vapour closed structures All insulation types All climate zones Residential and commercial buildings Dimensions 1.5m X 50m=75m2 (59-1/16” X 164’-1/2” = 807 SF) Documents VARA PLUS Data Sheet VARA PLUS EPD VARA PLUS DoP Video