Q: We recently noticed that part of the concrete walkway connecting our driveway with the front door has begun to tilt slightly in one direction. Is there anything we can do to make it level again ...

Q: Is it important to fix my home’s concrete? A: With warm weather right around the corner and more people spending time outdoors, it’s important to address any trip hazards with your sidewalks, ...

An curved arrow pointing right. PolyLEVEL, by Foundation Supportworks, is a high-density polyurethane used to stabilize ground. It spreads underneath the slab, filling in pockets of air and lifting ...

NCFI pioneered the development and use of strong, durable polyurethane foam for geotechnical applications and we’re still raising the bar. Concrete lifting and leveling, foundation repair, ...

Polyurethane foam can be divided into two categories, such as open-cell and closed-cell foam. The former is a plastic with incomplete cell walls and include holes through which air and liquid can ...