AEROSANA® VISCONN FIBRE is a brush-on, elastic and humidity variable vapour control layer. VISCONN FIBRE creates an airtight layer for sealing penetrations, surfaces and joints. Also for use as a bonding course between sub-surfaces and subsequent coatings on the building interior and exterior. Thanks to the fibre reinforcement joints and cracks of up to 20mm can be covered. Apply AEROSANA® fleece to larger joints.