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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.

Thickness

  • FOAMULAR® INSULPINK® 1.5 in x 2 ft x 8 ft Furlap Edge Insulation Sheathing

    FOAMULAR® INSULPINK® insulation is extremely light-weight for easy handling and provides a high R-value of 5 per inch of product thickness, exceptional resistance to moisture, and pre-cut slotted edges ready to accommodate 1x wood furring for easy installation. We recommend INSULPINK® for the following applications:

    • Interior Furring
    Pricing Breakdown:
    Quantity:Price Per:
    1 - 63$19.50
    64+$17.55
  • Foam Board Insulation 1.5 in x 4 ft x 8 ft R-7.5 GPS ProBoard

    ProBoard® Insulating Sheathing

    ProBoard Premium Insulating Sheathing is a closed cell, rigid foam insulation made with BASF’s patented Neopor® bead. Tiny graphite particles give Neopor® it’s silver/gray color and provide significantly higher insulation performance compared to white EPS insulation. Nearly 25% of your home’s wall is made up of studs that typically are not insulated, so it’s like having one entire wall of your home with no insulation. Adding insulation under new siding can help your home meet DOE recommendations.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 63 $25.13
    64+ $22.62
  • Foam Board Insulation 1.5 in x 2 ft x 8 ft R-7.5 GPS ProBoard

    ProBoard® Insulating Sheathing

    ProBoard Premium Insulating Sheathing is a closed cell, rigid foam insulation made with BASF’s patented Neopor® bead. Tiny graphite particles give Neopor® it’s silver/gray color and provide significantly higher insulation performance compared to white EPS insulation. Nearly 25% of your home’s wall is made up of studs that typically are not insulated, so it’s like having one entire wall of your home with no insulation. Adding insulation under new siding can help your home meet DOE recommendations.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 127 $13.21
    128+ $11.89
  • Sale!
    Out of Stock
    Owens Corning FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/ foundation, cavity wall, crawlspace, pre-cast concrete, under slab, roofing systems, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology make the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year – even following prolonged exposure to water leakage, condensation, ground-water and freeze/thaw cycling. FOAMULAR® 150 is comparable to STYROFOAM™ Brand Square Edge Insulation. Clearance products are sold as-is; returns or refunds are not available on any clearance item.