Void Filling and Slab Lifting | AzoGrout™ 551

AzoGrout 551 is a two-part hydrophobic polyurethane that forms a dense, closed cell foam The product can expand up to 10 times its liquid state, while maintaining a closed-cell structure, providing permanent stability. AzoGrout 551 is appropriate for void filling and lifting slabs, such as floors, roadways, and sidewalks. It expands while retaining closed-cell properties.