Polyiso has a high R-value per inch compared to other insulation products. 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 …

Polyiso roof insulation is the most widely used product for low-slope commercial roofing and provides a high R-value that helps meet today’s energy code requirements without the added thickness or …

Recommended Polyiso Insulation Thicknesses for Meeting Commercial Roof Prescriptive R-value Requirements Polyiso roof insulation is manufactured in a wide range of thicknesses offering …

Polyiso is a closed-cell, rigid foam board insulation consisting of a foam core sandwiched between two facers. The foam core is formulated using an isocyanate and polyol mixture. The facers are …

Facers and facing materials serve a variety of functions in the production and use of polyiso insulation. During the manufacture of polyiso board, facers are used to contain the foam core in the laminator to …

Polyiso CI Performance in Below-Grade Applications.

Polyiso continuous insulation (“Polyiso CI”) for residential construction is typically manufactured with a foil-facer that delivers a high R-value compared to other product types. This performance allows …

Polyiso Roof Insulation A roof system will comprise the single largest component of a typical commercial building’s thermal envelope so insulation is critical to overall energy efficiency. Polyiso roof insulation …

High-Density (HD) Polyiso Roof Cover Board Roof cover boards are an important component in any roof assembly to provide a suitable substrate for the attachment of a membrane and enhance the overall …

May 2, 2025 · Polyiso continues to be the leading solution due to its high R-value per inch compared to other insulation options. Available in multiple forms, including flat stock boards, tapered insulation …