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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

  • FOAMULAR® 600 2 in x 4 ft x 8 ft R-10 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 600 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 600 is comparable to STYROFOAM™ Brand HIGHLOAD 60 Insulation.  
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $58.75
    6 - 24 $54.80
    25 - 47 $51.73
    48 + $49.11
  • FOAMULAR® 250 2 in. x 2 ft. x 8 ft. R-10 Tongue & Groove Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $16.72
    12 - 24 $15.60
    25 - 47 $14.73
    48 + $13.98
  • FOAMULAR® 250 2 in. x 4 ft. x 8 ft. R-10 Tongue & Groove Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $33.45
    6 - 24 $31.20
    25 - 47 $29.45
    48 + $27.96
  • FOAMULAR® 250 2 in x 4 ft x 8 ft R-10 Squared Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $33.45
    6 - 24 $31.20
    25 - 47 $29.45
    48 + $27.96
  • FOAMULAR® 1000 3 in. x 2 ft. x 8 ft. R-15 Squared Edge Insulation Sheathing
      Owens Corning™ FOAMULAR® 1000 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 1000 is comparable to STYROFOAM™ Brand HIGHLOAD 100 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 7 $139.48
    8 - 16 $120.65
    17 - 31 $112.28
    32 + $104.61
  • FOAMULAR® 250 4 in x 4 ft x 8 ft R-20 Squared Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 2 $66.89
    3 - 12 $62.40
    13 - 23 $58.91
    24 + $55.91
  • FOAMULAR® 150 1.5 in x 4 ft x 8 ft R-7.5 Scored Squared Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 7 $24.58
    8 - 16 $23.08
    17 - 31 $21.80
    32 + $20.71
  • FOAMULAR® 250 3 in x 4 ft x 8 ft R-15 Scored Squared Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 3 $50.17
    4 - 16 $46.80
    17 - 31 $44.18
    32 + $41.93
  • FOAMULAR® 1000 2 in x 2 ft x 8 ft R-10 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 1000 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 1000 is comparable to STYROFOAM™ Brand HIGHLOAD 100 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $92.99
    12 - 24 $79.97
    25 - 47 $75.32
    48 + $69.74
  • FOAMULAR® 150 1 in x 4 ft x 8 ft R-5 Scored Squared Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $16.39
    12 - 48 $15.29
    49 - 95 $14.43
    96 + $13.70
  • FOAMULAR® 150 1 in x 4 ft x 8 ft R-5 Tongue & Groove Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $16.39
    12 - 48 $15.29
    49 - 95 $14.43
    96 + $13.70
  • FOAMULAR® 250 2 in x 4 ft x 8 ft R-10 Scored Squared Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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™ 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $33.45
    6 - 12 $31.20
    13 - 23 $29.45
    24 + $27.96
  • FOAMULAR® 150 2 in x 4 ft x 8 ft R-10 Scored Square Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $32.78
    6 - 12 $30.58
    13 - 23 $28.86
    24 + $27.40
  • FOAMULAR® THERMAPINK® 3 in x 4 ft x 8 ft R-15 Squared Edge Insulation Sheathing
    FOAMULAR® THERMAPINK® insulation has long-term thermal resistance stability compared to polyisocyanurate foam products. It also provides efficiencies during installation such as "direct-to-steel deck" with no gypsum board thermal barrier needed in most commercial single-ply and metal roofing systems. Owens Corning’s FOAMULAR® extruded polystyrene insulation is an ENERGY STAR® qualified product.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 3 $67.33
    4 - 16 $57.90
    17 - 31 $54.54
    32 + $50.50
  • FOAMULAR® 600 3 in x 4 ft x 8 ft R-15 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 600 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 600 is comparable to STYROFOAM™ Brand HIGHLOAD 60 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 3 $88.12
    4 - 16 $82.30
    17 - 31 $77.62
    32 + $73.67
  • FOAMULAR® 150 2.5 in x 4 ft x 8 ft R-12.5 Scored Square Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 3 $40.97
    4 - 18 $38.31
    19 - 35 $36.07
    36 + $34.24
  • FOAMULAR® 250 1 in. x 4 ft. x 8 ft. R-5 Tongue & Groove Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $16.72
    12 - 48 $15.60
    49 - 95 $14.72
    96 + $13.97
  • FOAMULAR® 400 3 in x 4 ft x 8 ft R-15 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 400 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 400 is comparable to STYROFOAM™ Brand HIGHLOAD 40 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 3 $84.26
    4 - 16 $78.61
    17 - 31 $74.19
    32 + $70.78
  • FOAMULAR® 1000 1.5 in. x 2 ft. x 8 ft. R-7.5 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 1000 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 1000 is comparable to STYROFOAM™ Brand HIGHLOAD 100 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 15 $69.74
    16 - 32 $59.98
    33 - 63 $56.14
    64 + $52.31
  • FOAMULAR® 150 1 in x 4 ft x 8 ft R-5 Squared Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 11 $16.39
    12 - 48 $15.29
    49 - 95 $14.43
    96 + $13.70
  • FOAMULAR® 400 2 in x 4 ft x 8 ft R-10 Squared Edge Insulation Sheathing
    Owens Corning™ FOAMULAR® 400 is a high strength extruded polystyrene (XPS) insulation product designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations. FOAMULAR® 400 is comparable to STYROFOAM™ Brand HIGHLOAD 40 Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $56.17
    6 - 24 $53.08
    25 - 47 $49.99
    48 + $47.18
  • FOAMULAR® 150 2 in x 4 ft x 8 ft R-10 Square Edge Insulation Sheathing
    All-purpose foam panel insulation for masonry and other applications. Owens Corning™ FOAMULAR® 150 extruded polystyrene insulation is ideal for wall furring, perimeter/foundation, cavity wall, crawlspace, pre-cast concrete, under slab, sheathing and other applications (Not approved for roofing). Owens Corning’s patented Hydrovac® process technology makes the unique closed-cell structure of FOAMULAR® extruded polystyrene insulation highly resistant to moisture, retaining its long term R-value year after year.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $32.78
    6 - 24 $30.90
    25 - 47 $29.34
    48 + $28.05
  • 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 - 15 $16.41
    16 - 32 $14.11
    33 - 63 $13.21
    64 + $12.31
  • FOAMULAR® 250 0.75 in x 4 ft x 8 ft R-3.75 Tongue & Groove Edge Insulation Sheathing
    Owens Corning FOAMULAR® 250 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® 250 is comparable to STYROFOAM™ Brand Square Edge Insulation.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 15 $15.05
    16 - 32 $14.04
    33 - 63 $13.25
    64 + $12.58