DIN 4102 Fire Retardant Expanding PU Foam Sealant

In this video, we demonstrate the DIN 4102 B2 fire-rated expanding PU foam sealant in real-world applications. Watch as we show how this self-extinguishing sealant provides effective fire and smoke protection for fire doors, windows, and structural joints. Learn about its waterproof closed-cell structure, high expansion rate, and excellent thermal insulation properties through practical installation scenarios.