Expanding Urethane for Foundation Crack Repair - 300 ml - 2/Pkg

Expanding urethane. • One component injection system based on a polyurethane resin specially formulated for crack reparation in concrete foundations • When in contact with air and humidity, this resin reacts to form flexible foam that expands up to 20 times it's initial volume to completely fill cracks • Easy-to-use, it is ideal to fix water infiltration problems, at a reasonable cost.