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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® 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® 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 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® 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® 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® 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® 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 $99.83
    12 - 24 $85.85
    25 - 47 $80.86
    48 + $74.87
  • 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 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 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® 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 $75.26
    4 - 16 $64.44
    17 - 31 $60.96
    32 + $56.45
  • 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 $74.87
    16 - 32 $64.39
    33 - 63 $60.27
    64 + $56.15
  • 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® 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® LT40 2 in x 4 ft x 8 ft R-10 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 - 3 $49.17
    4 - 16 $45.92
    17 - 31 $43.43
    32 + $41.11
  • 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® 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® 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
  • 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® LT40 2 in x 4 ft x 8 ft R-10 Squared Edge Insulation Sheathing
    FOAMULAR® LT40 extruded polystyrene insulation is a closed-cell insulation made using Owens Corning's exclusive Hydrovac® manufacturing process. FOAMULAR® LT40 extruded polystyrene insulation's resistance to water absorption and water vapor transmission allows it to maintain low thermal conductivity in the presence of the severe water vapor characteristics of cold storage applications. FOAMULAR® LT40 extruded polystyrene insulation is manufactured to comply with ASTM C 578.
    Pricing Breakdown:
    Quantity: Price Per:
    1 - 5 $64.13
    6 - 24 $55.15
    25 - 47 $51.62
    48 + $48.10
  • 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® 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