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.
