Reliable Fire-Resistant Insulation for Professional Applications
When safety and performance matter most, ST99 B1 Fire Rated Expanding Foam – Gun Grade stands out as a trusted solution. This high-quality, fire-retardant expanding foam is engineered to meet the strictest fire safety standards, making it ideal for professional fire-stopping, gap sealing, and thermal insulation tasks.
✅ Why Choose ST99 B1 Fire Rated Expanding Foam?
ST99 is a B1-class fire rated polyurethane foam, specially designed for use in areas where flame resistance is essential. Whether you’re working on commercial construction, residential installations, or fire-rated partitions, this foam delivers outstanding thermal, acoustic, and fire protection performance.
🔧 Key Features & Benefits:
-
🔥 B1 Fire Rating (DIN 4102): Resists fire for up to 4 hours in tested linear joints
-
🧱 High Adhesion: Bonds to concrete, masonry, wood, metal, PVC & more
-
🎯 Precision Application: Gun grade for clean, controlled usage
-
📏 Expands to Fill Gaps: Great for sealing cavities, joints, and penetrations
-
🔇 Sound & Thermal Insulation: Helps reduce heat loss and noise
-
🖌️ Paintable Finish: Once cured, can be cut, sanded, and painted
🛠️ Perfect For:
-
Sealing around fire-rated doors and windows
-
Filling service penetrations in walls and floors
-
Creating fire-resistant seals in partition walls
-
General use in fire-stop systems, HVAC openings, and construction joints
📦 Professional-Grade, Gun-Grade Foam
ST99’s gun grade formulation ensures optimal foam control, reduced wastage, and an ultra-clean finish—ideal for contractors, builders, and installation professionals. Compatible with standard PU foam guns.
💬 Final Thoughts
If you're looking for a reliable, easy-to-apply, fire retardant expanding foam that ticks all the boxes for compliance, durability, and performance, ST99 B1 Gun Grade is the product for the job.
Stay protected. Stay compliant. Choose ST99.
🛒 Ready to Order?
Explore bulk deals and next-day delivery on ST99 B1 Fire Rated Expanding Foam in our store.