Soudal SWS Vario Extra Black Interior and Exterior Sealing Membrane 250mm x 30m

Product

Soudal SWS Vario Extra Black 250mm is a flexible self-adhesive membrane for airtight and driving rain-resistant sealing of connection joints around windows, doors, and panels. It is suitable for interior and exterior applications, ensuring reliable moisture regulation all year round.

Specifications

• Flexible, full-surface pressure-sensitive self-adhesive membrane with additional adhesive strip for window profiles
• Variable Sd value (0.03 to 15 m) adapts to seasonal temperature and humidity, supporting vapor transport and preventing condensation
• Resistant to UV for up to 12 months, temperature range: -40°C to 80°C, application temperature: -5°C to 45°C
• Complies with EN 1027 and EN ISO 12572 standards for air, water, and rainproof sealing
• Tear-resistant, elastic, and suitable for plastering or pasting over
• Roll length: 30 m; width: 250 mm; thickness: 1 mm

Usage

Apply the membrane to connection joints on windows, doors, or panels for airtight and watertight sealing. The membrane can be installed on both the interior and exterior, with adhesive areas designed for easy positioning on profiles and building structures. It absorbs movement and regulates moisture, keeping joints dry throughout the year.

FAQ

1. What surfaces can this membrane be applied to?
   It is suitable for connections around windows, doors, panels, both inside and outside on structural surfaces.

2. Is SWS Vario Extra Black resistant to UV exposure?
   Yes, it is UV resistant for up to 12 months.

3. How does the membrane regulate moisture?
   The variable Sd value adapts to environmental humidity, allowing vapor to travel in both directions and prevent condensation.

4. Can it be plastered or glued over?
   Yes, the membrane is designed to be plastered or glued over without compromising its properties.

5. What is the installation temperature range?
   The membrane can be applied at temperatures from -5°C to 45°C.

mvm-dt-2025-06-04