Ronseal
✓Expanding Foams
Ronseal 6886271-HHW Smooth Finish Filler Multi-Purpose Ready Mixed 900g, White
★★★★★4.5
$19.99
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$108.99
Expanding Foam Gun Grade | 750 ml Gap Filler Expanding Foam for Insulation, Gap Filling, Sealing | PU Expansion Polyurethane Foams Can | Fire Class B3 DIN 4102-1 (6 Pack)
★★★★★
$108.99
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About this item
- 🔧 Versatile Application Areas – Ideal for Doors, Windows, Pipes, and Electrical Outlets: This 750 ml polyurethane foam delivers excellent performance in fixing and insulating door and window frames. It is also highly effective for filling wall penetrations, gaps around electrical outlets, and water pipes. Thanks to its wide range of uses, it is perfect for both professional construction work and DIY repairs at home.
- 🌡️ Superior Thermal and Acoustic Insulation – For Comfortable Living Spaces: Designed with high thermal and sound insulation properties, this PU foam helps reduce energy loss and minimizes noise transmission between rooms. It keeps your interiors warm in winter and cool in summer while creating a quieter and more peaceful atmosphere with improved acoustic comfort.
- 📦 High Yield & Economical Usage – Expands Up to 45 Liters: Depending on temperature and humidity, a single can of foam can expand up to 45 liters, making it highly economical and suitable for large-scale applications. The precise nozzle ensures accurate and controlled application, helping to reduce waste and deliver professional results every time.
- 🔥 Safe Building Material – B3 Fire Resistance According to DIN 4102-1: This expanding foam complies with fire class B3 as per DIN 4102-1, offering a certain level of fire resistance for added safety in construction. It is also waterproof and mold-resistant, making it suitable for both interior and exterior applications without compromising durability over time.
- 🎨 Paintable Surface – Clean and Aesthetic Finish After Application: Once fully cured, the foam can be easily painted over to match your wall or surface color, delivering a neat and seamless look. The waterproof and mold-proof structure ensures long-lasting durability, preventing cracking or peeling even under changing environmental conditions.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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