This homeowner in Burlington, NJ noticed a crack on their foundation, which was leaking water inside. They called Quality 1st Basements for a free quote. Our System Design Specialist recommended FlexiSpan. FlexiSpan is a polyurethane sealant, which never dries or cracks and bends to the natural movements of your home's foundation to make sure your basement stays water-free. The homeowner breathed a sigh of relief that their home was protected from future water intrusion.