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Brand: DM Chemicals
Fire Resistant: Provides fire resistance up to 240 minutes for added safety.
Water & Weather Resistant: High water resistance ensures durability in demanding conditions.
Low Post-Expansion: Guarantees precise application with minimal waste.
Insulating Properties: Excellent thermal and acoustic insulation for energy efficiency and comfort.
Versatile & Easy to Finish: Bonds to wood, concrete, brick, plaster, metal, EPS, XPS, and more; cured foam can be cut, sawn, plastered, and painted.
Parafoam Gun Grade 4 Hour Fire Expanding Foam – 750ml
High-Performance Fire-Resistant PU Foam for Professional Sealing
The Parafoam Gun Grade 4 Hour Fire Expanding Foam (750ml) is a one-component, fire-retardant PU foam engineered for sealing applications where enhanced fire resistance is critical. Certified to provide protection for up to 240 minutes, this expanding foam is the perfect solution for fire-resistant walls, door and window installations, and high-safety sealing projects.
With excellent adhesion to most common building materials—including wood, concrete, brick, plaster, metal, polystyrene (EPS/XPS), and polyurethane—this foam ensures a strong, long-lasting bond. Its low post-expansion formula allows precise application with a PU foam gun, minimising waste and ensuring a clean finish.
In addition to fire protection, Parafoam offers thermal and acoustic insulation, high water resistance, and a cured surface that can be cut, sawn, plastered, or painted for a professional finish.
✅ Key Features & Benefits
Fire Resistance – Protects for up to 240 minutes (4 hours).
Gun-Grade Formula – Ensures controlled, precise application with minimal waste.
Low Post-Expansion – Provides accuracy and reduces excess foam.
Durable Performance – Excellent resistance to water, ageing, and weathering.
Strong Adhesion – Bonds effectively to wood, concrete, brick, plaster, metal, EPS/XPS, and polyurethane.
Insulating Properties – Offers both thermal and acoustic insulation for added efficiency.
Versatile Finish – Once cured, foam can be cut, sawn, plastered, or painted.
📏 Specifications
Product Type: Fire-Resistant PU Gun Foam
Size: 750ml canister
Fire Rating: Up to 240 minutes (4 hours)
Application: For use with PU foam applicator gun
Cure Properties: Low expansion, water-resistant, cuttable, paintable, and plasterable
Compatibility: Wood, concrete, brick, plaster, metal, EPS/XPS, polyurethane
✨ Protect your project with confidence. The Parafoam Gun Grade 4 Hour Fire Expanding Foam – 750ml combines fire safety, durability, and precision for professional-standard sealing in demanding environments.
1. What is Parafoam Fire Expanding Foam used for?
It is designed for sealing joints in fire-resistant walls, installing fire-resistant doors and windows, and other applications where enhanced fire safety is required.
2. How fire-resistant is the foam?
It provides fire resistance for up to 240 minutes (4 hours), depending on the application and joint design.
3. What type of foam is this?
It is a one-component, gun-grade polyurethane (PU) expanding foam.
4. How is the foam applied?
It must be used with an NBS foam gun, allowing for precise and controlled application.
5. Does the foam expand after application?
Yes, but it has low post-expansion, which helps ensure accurate filling without excess overflow.
6. What other benefits does the foam provide?
It offers excellent thermal and acoustic insulation in addition to its fire-resistant properties.
7. Can the cured foam be worked on?
Yes, once cured, the foam can be cut, sawn, plastered, or painted, making it highly versatile.
8. Is the foam water-resistant?
Yes, it has high water resistance, making it suitable for demanding environments.
9. What materials does it adhere to?
It adheres strongly to most common building materials, including wood, concrete, brick, plaster, metal, polystyrene (EPS/XPS), and polyurethane.
10. Where is this foam typically used?
It is commonly used in sealing joints in fire-rated walls, around fire-resistant doors and windows, and in construction projects requiring enhanced fire safety.
Lead Time:
Into Order 2-3 Days
Est Delivery:
1-2 Working Days
750ml Gun Grade Expanding Foam
Lead Time - In Stock
750ml Hand Held Expanding Foam
Lead Time - In Stock
Need to see it before you buy? We offer samples of our uPVC building products to help you choose the perfect fit. Simply get in touch through our contact page, and we’ll be happy to assist!
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