Polyisocyanurate Insulation Market

Polyisocyanurate insulation sales will expand through 2036, with building and construction at 72.4% of the end-user category and rigid foam/board at 52.6% of product type demand in 2026. The market is estimated at USD 16.3 billion in 2026 and is forecast to record a 4.5% CAGR between 2026 and 2036.