J & S Supply is a recognized distributor of Dow STYROFOAM Brand Cavitymate Extruded Polystyrene, Cavitymate Plus & Cavitymate Ultra serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. Cavitymate, Cavitymate Plus & Cavitymate Ultra are extruded polystyrene foam insulation boards designed to be moisture, resistant, durable and lightweight making them perfect for use in wet cavity wall environments.
Dow Cavitymate & Cavitymate Plus are available in thicknesses ranging from 1″ to 3″ and R-values of 5 to 15. Cavitymate Ultra is available in thicknesses ranging from 1.75″ to 3″ with R-values of 10 to 16.8. At 16″ x 96″ they fit snugly between wall ties. The products closed-cell structure provides exceptional long-term thermal performance and moisture control. Cavitymate Ultra’s R-value of 5.6 per inch is the highest of all extruded polystyrene foam insulation products.
Dow STYROFOAM Brand Cavitymate Extruded Polystyrene, Cavitymate Plus & Cavitymate Ultra are all hydrochlorofluorocarbon free with zero ozone-depletion are reusable in many applications.