J & S Supply is a recognized distributor of Dow STYROFOAM Brand Plazamate & Roofmate Extruded Polystyrene serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. Plazamate & Roofmate are extruded polystyrene foam insulation boards designed for installation above waterproofing or roofing membranes.

Dow Plazamate & Roofmate Extruded Polystyrene are available in 2′ x 8′ boards. Plazamate is available in thicknesses ranging from 1.5″ to 3″ with R-values of 7.5 to 15. Roofmate is available in thicknesses ranging from 1″ to 4″ with R-Values of 5 to 20. Plazamate is typically used in plaza deck applications while Roofmate can be used in a wide range of protected membrane roof applications. Both products ensure roof membranes maintain a steady temperature minimizing the dangerous effects of freeze-thaw cycles and physical damage during and after construction.

Dow STYROFOAM Brand Plazamate & Roofmate Extruded Polystyrene are both hydrochlorofluorocarbon free with zero ozone-depletion are reusable in many applications.

Dow STYROFOAM Brand Plazamate & ROOFMATE
Plazamate Data Sheet
Roofmate Data Sheet

Our prime location in Long Island City is close to every major thoroughfare in the Metropolitan New York, New Jersey, and Connecticut area, ensuring our fleet of specialized equipment can deliver fast.

TWO CONVENIENT LOCATIONS AT YOUR SERVICE. 

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