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Standard = Top quality rigid insulation.
Clearance = Discounted, limited stock.
Custom = Common configurations.*

*For a full list of our custom board configurations, please
head over to the Custom page.

Class

Thickness

  • FOAMULAR® 604 Ribbed 3 in x 2 ft x 8 ft R-15 Channel Edge Insulation Sheathing

    FOAMULAR® 604 & 604 RB extruded polystyrene insulations are specially designed for use in Protected Roof Membrane Assemblies (PRMA), where the insulation is placed directly over the membrane. The compressive strength of FOAMULAR® extruded polystyrene insulation provides the integrity needed for long-term roof performance. Extruded polystyrene is the type of insulation recommended for PRMA applications. Owens Corning’s FOAMULAR® extruded polystyrene insulation is an ENERGY STAR® qualified product.

    Pricing Breakdown:
    Quantity:Price Per:
    1 - 63$107.34
    64 +$100.59