Non-woven fleece for air sealing reinforcement

Non-woven fleece reinforces airtight sealing connections in buildings, preventing air leakage through joints, overlaps and transitions between different construction elements. This range includes rolls in two formats: a 15 cm x 20 m tape width for sealing joints around windows, doors and penetrations, and a 1.1 m x 50 m sheet format for covering larger surfaces such as wall-to-ceiling transitions and membrane overlaps.

The fleece embeds into wet sealant to create a reinforced, flexible joint that accommodates building movement without cracking or losing its airtight properties. This approach is essential for meeting modern energy efficiency standards that require controlled air barriers in both new construction and renovation projects. The non-woven structure allows sealant to penetrate the fibres fully, creating a strong mechanical bond.

White colour blends with most interior finishes when left exposed. Proper air sealing reduces energy loss, prevents condensation damage inside wall cavities and improves indoor comfort by eliminating draughts. These products are used by insulation contractors, builders and energy retrofit specialists working to achieve certified airtightness levels.