J & S Supply is a committed distributor of Johns Manville ValuTherm Polyiso serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. ValuTherm is a polyisocyanurate roof insulation available in flat & tapered forms. Flat is available in 4′ x 4′ and 4′ x 8′ boards and in thicknesses ranging from 1″ to 4.5″. Tapered is available in 4′ x 4′ boards in thicknesses ranging from .5″ to 4 1/2″ and with sloping from 1/16″ to 1/2″ . Both are available in 20 psi and 25 psi.

Johns Manville ValuTherm Polyiso has glass-reinforced facers providing rigidity and protection to the foam core and is compatible with BUR, modified bitumen and single ply membrane systems. Its closed cell polyisocyanurate foam core provides high R-value per inch in built-up, modified bitumen, metal roof and single ply roof systems. ValuTherm Polyiso is approved for direct application to steel decks.

Johns Manville ValuTherm Polyiso
Product 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.


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