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Polyisocyanurate

Polyisocynaurate insulation (also known as “polyiso insulation”) is a closed-cell, rigid foam insulation. It provides exceptional thermal insulation performance and offers a cost-effective solution in both the commercial and industrial sectors. Polyiso insulation offers a high R-value, continuous insulation, inherent fire resistance, and can be used over a large temperature range (-100°F to 250°F). DI has fabrication facilities across North America that can create custom polyisocyanurate insulation products to fit any pipe, elbow, or fitting. Browse our selection of polyiso products below!