From filling and insulating within wall cavities to repairing cracked or damaged surfaces, Soudal expanding foams are a versatile product for both building and maintenance work. They expand when exposed to the air, filling the gaps or cavities. After some time, they cure and harden to create a solid and lasting bond. Soudal is one of the leading manufacturers of high-quality building products, and its reputation is well-deserved within this collection.