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Polyiso Roof Insulaton
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Polyiso has the highest R-value per inch of any rigid foam board insulation.
Polyiso is unique in that the R-value increases with the thickness of the foam, so three inches of polyiso has a higher R-value per inch than two inches.
By blocking thermal bridging, a polyiso continuous insulation system increases the overall thermal performance of a wall assembly and a building.
A polyiso continuous insulation system keeps energy and heat loss to a minimum, increasing the building’s energy efficiency and leading to lower monthly operating costs.
Among all foam plastics, polyiso possesses the highest level of inherent fire resistance due to its unique structure of strong isocyanurate chemical bonds.
In 3 key fire tests - ASTM E84, NFPA 285 and NFPA 286/UL 1715 - polyiso performs exceptionally well.
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