Best Draught Proofing & Weatherstripping — Silicone Seal (2026)
1 draught proofing & weatherstripping matching material “Silicone Seal”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Draught Proofing & Weatherstripping UK (2026) guide.
This silicone seal offers a robust solution for draught proofing gaps and cracks around windows, doors, and other vulnerable areas of your home. Formulated with high-quality silicone, it provides an excellent barrier against cold air, dampness, and dust, contributing to improved energy efficiency and reduced condensation issues.
Unlike traditional foam or rubber weatherstripping, silicone seal maintains its flexibility over a wide temperature range – from -60°C to +150°C. This makes it ideal for use in UK homes where temperatures fluctuate significantly throughout the year. Its superior adhesion ensures a long-lasting and secure fit.
The sealant’s neutral cure formula prevents damage to painted surfaces or existing materials, minimising the need for extensive preparation before application. It's suitable for both interior and exterior applications, offering comprehensive protection against the elements. This silicone seal is perfect for sealing gaps around skirting boards, window frames, and any other areas where air leakage occurs.
#1 Pick
Silicone Seal Strip Window Door Draught Excluder Sealing Tape | 35 mm, Waterproof Bottom Weather Stripping Tape Sealing Strip Seals Medium Gaps 10m- Silicone Seal
£8.18
Pros
- 35mm silicone strip seals medium gaps on both doors and windows
- 10m roll is enough to cover several openings from one purchase
- Waterproof, windproof and dustproof rated for all-round draught proofing
Cons
- Lower average rating than premium alternatives, silicone can peel on rough frames
FAQ
What surfaces can I apply this silicone seal to?+
This silicone seal adheres well to a wide range of materials including wood, metal, glass, plastic, and previously painted surfaces. However, it’s important to ensure the surface is clean, dry, and free from loose particles before applying for optimal adhesion.
How long does it take for the silicone seal to cure?+
The silicone seal cures fully within 24-72 hours at room temperature (18-24°C). Full curing time can be affected by humidity levels. Allow sufficient ventilation during this period.
Is it suitable for use on exterior windows and doors?+
Yes, this silicone seal is designed for both interior and exterior use. It’s formulated to withstand the elements and maintain its flexibility when exposed to rain, frost, and UV radiation – however, regular cleaning is recommended.
What tools do I need to apply the silicone seal?+
You'll need a caulking gun for applying the sealant efficiently. A utility knife can be used for precise gap trimming, and a damp cloth or sponge will be helpful for cleaning up any excess sealant.
Can I paint over the silicone seal after application?+
Yes, you can paint over the silicone seal with most standard acrylic paints once it's fully cured. However, we recommend using a primer specifically designed for silicone to ensure optimal adhesion and longevity of the paint finish.
How do I clean up excess silicone sealant?+
Clean up any excess silicone sealant immediately with a damp cloth or sponge. For stubborn residue, you can use a mild detergent solution – always test in an inconspicuous area first.
Is this silicone seal resistant to mould and mildew?+
The silicone seal provides a degree of resistance against mould and mildew growth due to its hydrophobic properties, preventing moisture penetration. However, regular cleaning is essential for maintaining optimal protection.
What’s the typical lifespan of this silicone sealant?+
With proper application and maintenance, this silicone seal can last up to 10-15 years. Factors such as exposure to UV radiation and extreme temperatures may affect its longevity.
Does the silicone seal shrink over time?+
Silicone seal generally doesn't shrink significantly after curing. However, minor adjustments may be needed to maintain a tight seal if gaps expand slightly due to movement or settling of building materials.
What is the colour range available for this silicone seal?+
This silicone sealant is typically supplied in a clear finish. However, tinted versions are also available upon request – please contact customer service to discuss your specific colour requirements.