IsoRED MAX WF by OX Engineered Products is a white facer polyiso insulation sheathing that boosts aesthetics and thermal performance of concrete and masonry walls, prominently used for warehouses and distribution centers. The closed-cell foam structure of IsoRED MAX WF provides inherent vapor barrier properties, making it suitable for all climate zones and effectively resisting moisture intrusion.

Manufactured with Class A foam, IsoRED MAX WF is suitable for applications requiring an E84 Class A fire rating. It boasts high R-values, achieving up to R-6.5 per inch, and is available in thicknesses up to four inches and custom lengths up to 30 feet.