





Self-Expanding Foam Tape - 1 x roll of 25mm [WIDE] 5mm - 35mm [EXPANSION] x 4.6m [LONG]
Product code: B121061
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Product Overview
Walther Strong Self-Expanding Foam Tape is a flexible, weather-resistant expanding foam tape designed to prevent water ingress, retain heat, and provide an airtight and draught-proof seal. Suitable for both internal and external use on various surfaces including brickwork, concrete, wood, and plastics, this tape gradually expands over 2-3 hours, filling gaps and creating a secure seal with excellent acoustic and insulation properties. It's permanently elastic for long-lasting flexibility, self-adjusting to different surfaces, and UV stable for outdoor durability. The tape is weatherproof, resistant to driving rain, and prevents mildew, improving insulation. It expands between 5-35mm for a tailored fit.
Product Features:
- Permanently Elastic: Offers long-lasting flexibility.
- Self-Adjusting: Adapts to different surfaces.
- UV Stable: Provides outdoor durability.
- Weatherproof: Resistant to driving rain.
- Effective on Smooth & Uneven Surfaces: Works on brickwork, concrete, wood, and plastics.
- Mildew Prevention & Improved Insulation: Creates an airtight and draught-proof seal.
- Expansion Capability: Expands between 5-35mm for a tailored fit.
How To:
- Prepare Surface, Remove debris and dust, ensuring the tape has a clean, square end.
- Apply Foam Tape, Unwind the tape while peeling away the release liner, carefully filling the joint without stretching the tape.
- Cut & Press Firmly, Oversize the tape by 1cm per meter to prevent stretching and ensure a complete seal. Apply firm pressure along the tape.
- Leave to Expand, Once applied, the tape will gradually expand to fill the joint (expansion rate depends on temperature).
This self-expanding foam tape offers a reliable and effective solution for sealing gaps and improving insulation.