Global Polyisocyanurate Roof Insulation Material market was valued at USD million in 2022 and is projected to reach USD million by 2029, at a CAGR of % during the forecast period. The influence of COVID-19 and the Russia-Ukraine War were considered while estimating market sizes. Polyisocyanurate, often abbreviated as PIR or simply polyiso, represents the pinnacle of rigid foam insulation...