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Rmax
4" x 4' x 4' Multi-Max FA Above the Deck Polyiso Insulation
QXO product C-300166 · 1 options
Selected: RMX ISO MULTI MAX FA 4.0" 4X4
QXO SKU 300166 · Product number RMX4ISO4
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC|SQ
- Item Weight
- 1
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289 Type II, Class 2 IBC, IRC, IECC, ASHRAE 90.1 Miami-Dade County Approved Florida Product Approved LARR 25378 CA Insulation Directory FM Approved UL Listed LEED CAN/ULC-S770 PIMA California Code of Regulations, Title 24 (BHFTI License T1523) Energy Star®
About this product
Rmax Multi-Max® FA-3 is an energy-efficient thermal insulation board composed of a closed-cell polyisocyanurate (polyiso) foam core bonded to glass fiber/organic mat facers on both sides making it compatible with virtually any roofing system. Multi-Max® FA-3 is suitable for use in single ply, built-up, metal panel and modified bitumen roofing applications. This polyiso insulation is approved for use in new and retrofit/recover roofing constructions over steel, wood, non-combustible and certain types of nailable roof decks.



