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Clear Cedar T&G Sale!
Clear Cedar T&G Sale!

Rigid Insulation

Find quality EPS & XPS insulation sheets at Griff Building Supplies.
  • Original price $70.29 - Original price $70.29
    Original price
    $70.29
    $70.29 - $70.29
    Current price $70.29

    4-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 4-inch x 2-ft x 8-ft. R-Value of 20. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulatio...

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    Original price $70.29 - Original price $70.29
    Original price
    $70.29
    $70.29 - $70.29
    Current price $70.29
  • Original price $83.65 - Original price $95.29
    Original price
    $83.65 - $95.29
    $83.65 - $95.29
    Current price $83.65

    PowerWool Rigid Mineral Wool Insulation 2-ft x 4-ft

    Powerhouse

    PowerWool RigiBoard ONE is a continuous, non-structural and noncombustible rigid mineral wool insulation sheathing board designed to increase the e...

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    Original price $83.65 - Original price $95.29
    Original price
    $83.65 - $95.29
    $83.65 - $95.29
    Current price $83.65
  • Original price $35.14 - Original price $35.14
    Original price
    $35.14
    $35.14 - $35.14
    Current price $35.14

    2-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 2-inch x 2-ft x 8-ft. R-Value of 10.0. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulat...

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    Original price $35.14 - Original price $35.14
    Original price
    $35.14
    $35.14 - $35.14
    Current price $35.14
  • Original price $26.35 - Original price $26.35
    Original price
    $26.35
    $26.35 - $26.35
    Current price $26.35

    1.5-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 1.5-inch x 2-ft x 8-ft. R-Value of 7.5. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insula...

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    Original price $26.35 - Original price $26.35
    Original price
    $26.35
    $26.35 - $26.35
    Current price $26.35
  • Original price $25.75 - Original price $25.75
    Original price
    $25.75
    $25.75 - $25.75
    Current price $25.75

    2-inch Type 2 EPS Rigid Insulation 4-ft x 8-ft

    Plasti-Fab

    PlastiSpan HD Insulation is a Type 2, moulded expanded polystyrene (EPS) insulation with an R-value of 4.04 per inch and compressive resistance of ...

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    Original price $25.75 - Original price $25.75
    Original price
    $25.75
    $25.75 - $25.75
    Current price $25.75
  • Original price $53.29 - Original price $53.29
    Original price
    $53.29
    $53.29 - $53.29
    Current price $53.29

    3-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 3-inch x 2-ft x 8-ft. R-Value of 15.0. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulat...

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    Original price $53.29 - Original price $53.29
    Original price
    $53.29
    $53.29 - $53.29
    Current price $53.29
  • Original price $43.99 - Original price $43.99
    Original price
    $43.99
    $43.99 - $43.99
    Current price $43.99

    2.5-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 2.5-inch x 2-ft x 8-ft. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulation is ideal fo...

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    Original price $43.99 - Original price $43.99
    Original price
    $43.99
    $43.99 - $43.99
    Current price $43.99
  • Original price $17.57 - Original price $17.57
    Original price
    $17.57
    $17.57 - $17.57
    Current price $17.57

    1-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

    DuPont

    Dupont Styrofoam Type 4 XPS Rigid Insulation 1-inch x 2-ft x 8-ft. R-Value of 5.0. DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulati...

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    Original price $17.57 - Original price $17.57
    Original price
    $17.57
    $17.57 - $17.57
    Current price $17.57
  • Original price $38.99 - Original price $38.99
    Original price
    $38.99
    $38.99 - $38.99
    Current price $38.99

    3-inch Type 2 EPS Rigid Insulation 4-ft x 8-ft

    Plasti-Fab

    PlastiSpan HD Insulation is a Type 2, moulded expanded polystyrene (EPS) insulation with an R-value of 4.04 per inch and compressive resistance of ...

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    Original price $38.99 - Original price $38.99
    Original price
    $38.99
    $38.99 - $38.99
    Current price $38.99