Posts in the Polyiso Category

Polyisocyanurate (polyiso) is the highest R-value-per-inch rigid foam insulation available, delivering approximately R-6.0 per inch — significantly more than XPS or EPS. That thermal efficiency, combined with its versatility as a continuous insulation board, makes polyiso the dominant choice for commercial wall assemblies, roofing systems, and a wide range of interior and exterior applications across…