Polyiso also weighs roughly 90 percent less than mineral fiber boards, which typically weigh about 1.04 psf (pounds per square foot) for each inch of thickness; polyiso weighs 0.166 psf for each inch ...

According to Future Market Insights, the global polyisocyanurate insulation market is valued at USD 15.6 billion in 2025 and is expected to reach USD 24.3 billion by 2035, growing steadily at a ...