When it comes to insulation boards for vegetated roofs, there are several choices available but polyisocyanurate (also known as polyiso ... costs for structural elements overall in the roof, the walls ...

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Insulation boards can be a great solution for insulating roofs, floors and walls, with an array of options ... are rigid boards or sheets made of foamed polystyrene, polyurethane, polyisocyanurate, or ...

Elevate's RESISTA is a high-performance polyisocyanurate (PIR) insulation board laminated on both sides to a gas-tight, multi-layered aluminum-kraft facer (AK) or mineral-coated glass fiber facer ...