U.S. Gypsum's underlayment suitable as a finished floor
The self-leveling product delivers a compressive strength range of 6,000 to 8,000 psi while providing a smooth, hard underlayment surface over concrete slabs, pre-stressed concrete or concrete planks, the company says. Levelrock can be covered with a variety of floor coverings, and will not flake or powder, U.S. Gypsum says.