Cerazorb is a synthetic cork underlayment that is ideal for installation under WarmWalk and WarmFilm radiant floor heating systems. It provides thermal insulation against cold floors and excellent sound suppression for floating and engineered wood floors.
- 25 times lighter than 1/4 in. backerboard making installation easier
- Installs on cement slabs, plywood and structurally sound subfloors
- Insulation R-value = 1.5
- 20 point acoustical improvement
- Resists moisture and will not rot or support mold or mildew
- (4) sheets 2 ft. x 4 ft. x 3/16 in.