Solcourse Vapour Barrier is predominantly used within timber frame constructions to omit the risk of interstitial condensation within a structure as well as improving the general airtightness of the building. Solcourse Vapour Barrier restricts the passage of warm, moist air from within the building from permeating into the structure or the roof. Solcourse Vapour Barrier can be used across many other applications, such as flooring and ceiling projects, and comply with the BRE (Builders Research establishment) regulations clause.

Roll sizes are typically (2.5m or 2.7m) x 50m to suit standard floor to ceiling measurements, reducing wastage and increasing efficiency. It is available in clear or green tint so fixing points are easy to locate through the product.