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Soudal SWS Universal Inside Tape – 100 mm

Professional airtight sealing. Flexible installation. Designed for warm window installation systems.

The Soudal SWS Universal Inside Tape (100 mm) is a high-performance vapor-tight sealing tape used in warm window installation systems (SWS – Soudal Window System). It provides an airtight barrier on the interior side of the joint between the window frame and wall, preventing moisture diffusion from inside the building into the insulation layer.

Thanks to its flexible material and strong acrylic adhesive, the tape ensures excellent adhesion to a variety of substrates — including PVC, concrete, brick, plaster, and metal. It can be plastered, painted, or covered with finishing materials, making it ideal for both new builds and renovation projects.

Key Benefits

• Part of the Soudal Window System (SWS) – ensures professional warm installation of windows and doors

• Airtight and vapor-tight – prevents moisture penetration and energy loss

• Excellent adhesion – sticks to PVC, aluminum, concrete, and plaster surfaces

• Flexible and durable – compensates for movement between window frame and wall

• Plasterable and paintable – ideal for concealed interior finishes

• Quick installation – self-adhesive strip ensures easy handling

• Weather and aging resistant – retains performance over time

Technical Specifications

• Product type: Interior vapor-tight tape for warm window installation

• Brand: Soudal SWS Universal Inside

• Width: 100 mm

• Length: 25 m (per roll)

• Adhesive: High-performance acrylic

• Function: Interior airtight and vapor-tight sealing

• Color: White (suitable for painting and plastering)

• Temperature range (application): from –5 °C to +40 °C

• Temperature resistance (in service): –40 °C to +80 °C

• Vapor permeability (Sd): > 100 m (vapor-tight)

• Compatibility: Compatible with other Soudal SWS components – e.g. SWS Outside Tape and Soudatight coatings

• Applications: Interior sealing of window and door frames in warm installation systems

Why Choose Soudal SWS Universal Inside Tape?

Because it ensures perfect airtightness and vapor control inside the building, preventing moisture ingress and heat loss. As part of the SWS system, it guarantees professional, energy-efficient, and durable installation of windows and doors.

Professional interior sealing for energy-efficient, long-lasting window installations.