Soudal Combi Box Foam Filler is a versatile and efficient solution for filling gaps and voids. This convenient kit includes a professional-grade expanding foam that provides insulation and seals gaps. The easy-to-use applicator and precise nozzle ensure accurate application, making it an essential tool for various construction and DIY projects. The expanding foam combi-box contains six 750ml gun-grade expanding foams, one foam gun to apply, and 500ml cleaner to clean after use. It is a polyurethane gap fill foam that offers high thermal and acoustic insulation, as well as a high gap filling yield and expansion. It is suitable for general-purpose gap filling.