Tru-Guard Waterproofing is a waterproofing contractor. Its specialty is waterproofing new construction projects. The company utilizes a complete waterproofing system called HouseGuard, which includes a rubberized waterproofing membrane, material that is four-to-six times thicker than damp-proof sealants and Styrofoam-extruded polystyrene insulation that goes over the top of the membrane.