Seal, insulate, and fill large cavities with the Soudal Gap Filler Expanding Foam. This high-performance polyurethane foam is designed to expand rapidly, filling irregular gaps around window frames, door casings, and pipe penetrations. Offering excellent thermal and acoustic insulation, it creates a permanent, airtight barrier against drafts and heat loss. Shop trade-trusted Soudal insulation hardware at ECO Heat Shop for professional-grade supplies and fast UK delivery.
£11.99 Incl. VAT
The Soudal Gap Filler Expanding Foam is an essential tool for construction, renovation, and general home maintenance. Whether you are filling a structural gap after a window installation or sealing a hole where a pipe exits a wall, this foam provides a structural, rot-proof seal that stands the test of time. At ECO Heat Shop, we provide the industrial-strength hardware required to keep your home insulated and protected from the elements.
Soudal’s formula is engineered for stability. Once cured, the foam can be easily cut, sanded, plastered, or painted, allowing for a seamless finish in any DIY or professional project. Its excellent filling capacity makes it far more effective than traditional caulks for large openings. It acts as a weatherproof barrier, preventing moisture ingress and deterring pests from entering through wall cavities or floorboard gaps.
ECO Heat Shop Tip: For the best expansion and fastest cure, lightly dampen the surface with a water sprayer before applying the foam. Remember that the foam will expand significantly, so only fill gaps about 50% full. Using expanding foam is a sustainable way to lower your carbon footprint by reducing the energy needed to heat or cool your property.
Seal the heat in and the drafts out. Order Soudal Gap Filler Expanding Foam online today for heavy-duty insulation hardware delivered across the UK.
| Weight | 0.44 kg |
|---|---|
| Dimensions | 300 × 65 × 65 mm |
ECO Heat Shop Ltd provides national distribution for plumbing and heating supplies across England, Scotland, and Wales. Orders placed before the 18:00 PM (Afternoon) cutoff are typically processed for same-day dispatch.
View Full Shipping & Collection Policy ›Hours: Monday – Saturday: 08:30 AM – 06:30 PM | Sunday: Closed
Location: Unit 8 West Cross Shopping Centre, Oldbury Rd, Smethwick, B66 1JG
In-shop precision key cutting available during standard operational hours. Professional while-you-wait service for Smethwick residents and trade contractors.
Smart supplies for real heat.
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