Soudal SWS Inside Extra Tape Pink
From: £46.42 inc. VAT
£38.68 ex. VAT
- Product ID: 145958
- Suitable For: Internal
- Area of use: Windows and doors
- Container Type: Foil
- Colour: Pink
- Brand: Soudal
- Manufactuer: Soudal
Features & Benefits
Airtight and Vapor-Retardant
Prevents air leakage and moisture transfer, supporting energy efficiency and indoor climate control.Dual Self-Adhesive Design
Equipped with a pressure-sensitive strip for the window profile and a full-surface adhesive for structural attachment—ensures fast, secure, and tool-free installation.Plasterable Synthetic Fleece Layer
Can be immediately plastered or painted over, saving time and ensuring a clean, seamless finish.Flexible and Tear-Resistant
Easily conforms to corners and irregular shapes without tearing, making it ideal for complex installations.No Drying Time Required
Cold-applied and ready for immediate use—continue working without delays.Complies with Industry Standards
Meets DIN 4108 and RAL guidelines for airtight and energy-efficient construction.
Data Sheets
SWS Inside Extra is a high-performance, flexible, self-adhesive foil designed for vapor-inhibiting and airtight sealing around windows, doors, and wall connections in interior applications. With dual adhesive zones—one for securing to the window profile and another for full-surface bonding to the structure—it offers quick, clean, and secure installation. The tear-resistant synthetic fleece layer allows for immediate plastering or bonding, saving time and ensuring a seamless finish. SWS Inside Extra is part of the Soudal Window System (SWS) and fully compliant with DIN 4108 and RAL installation guidelines.
Key Features:
Airtight & Vapor-Retardant: Ensures energy efficiency by preventing air leakage and vapor transmission.
Dual Self-Adhesive Design: Pressure-sensitive adhesives on both sides for fast and reliable installation.
Plaster-Ready Surface: Can be immediately plastered or pasted over without additional prep.
Easy to Install: Tear-resistant, flexible, and pre-slit liner options make corner folding and handling simple.
For more sealants, please click here. For our full range of Soudal products, please click here.
For more information, please visit the Soudal website.
Sealing Window Frames Internally
Provides airtight and vapor-retardant sealing between window frames and interior walls (inner leaf or reveal area).Airtight Door Frame Installation
Ensures a continuous air and vapor barrier around internal door frames in energy-efficient buildings.Wall Panel Connections
Creates a reliable airtight seal where interior wall panels meet window or door structures.Preparation for Interior Plastering
Offers a plaster-ready surface after installation, allowing immediate finishing without additional layers.Air and Vapor Control in Passive Houses
Helps meet airtightness requirements in low-energy or passive house constructions by eliminating air leaks at junctions.
✅ Applications
Airtight Interior Sealing
Used on the interior side of windows and doors to create a vapor-retardant and airtight seal.Window and Door Frame Connections
Ideal for sealing around window frames inside inner leafs (reveal areas) and massive walls, improving thermal and airtight performance.Wall-to-Frame Transitions
Provides reliable airtight sealing at the junction between structural walls and window/door units.Energy-Efficient Building Projects
Supports passive house or low-energy construction standards by helping maintain the integrity of the building envelope.Part of the Soudal Window System (SWS)
Designed for seamless integration with other SWS components for complete window and façade sealing solutions.
⚠️ Limitations
Interior Use Only
Not designed for exterior or exposed applications—must be used inside the building envelope.Surface Preparation Required
Surfaces must be clean, dry, and dust-free for optimal adhesion and performance.Limited to Compatible Substrates
While it adheres to most construction materials, extremely rough or dirty surfaces may require additional preparation.Temperature-Sensitive Storage
Must be stored between +5°C and +25°C; protect from frost to maintain adhesive quality.Width-Dependent Installation
Different roll widths come with 2- or 3-way split liners—users must choose appropriate sizes for their specific application needs.
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| Elementlength | |||||||
| up to 1,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | |
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm | Minimum witdth of joints for a inner mounting b in mm | |||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) | 15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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