All You Need to Know About Polyurethane Foam Injections
Polyurethane is a polymer prepared by reacting two chemicals; organic diisocyanate and polyol. When these two components mix, a reaction causes expansion. The foam fills voids, offers structural support, and raises sinking concrete. The mixing is done on-site. Polyurethane is liquid during injection through cavities that need repair or insulation. It then expands into a firm foam….
