The Soudal B1 Fire Class Expanding Foam is a high-quality polyurethane foam filler suitable for filling, insulating, and exterior use. With a density of 750ml, this blue-coloured foam is easily applied using a foam gun and has a drying time of 35 minutes. It has excellent temperature resistance, ranging from -40 °C to +90 °C, and is paintable, stainable, and sandable for a seamless finish. This product from Belgium is a reliable choice for DIY projects, offering a high filling capacity and low shrinkage for a professional result.
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