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Insulation Boards

58 results found that include 58 products

Let Grainger help you get up to code with a large selection of ASTM standard insulation boards. Choose from mineral wool, lime and polyisocyanurate materials designed to fire rate plumbing and ceiling tiles up to 1700 degrees fahrenheit. Count on Grainger to help you find the right insulation boards to meet your needs.Close

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  • 2" x 48" x 24" Mineral Wool High Temperature
    2" x 48" x 24" Mineral Wool High Temperature
    • ROXUL
    • Item # 19NE78
    • Mfr. Model # 40205
    • High Temperature Insulation, Material Mineral Wool, Color Green, Approx. R Value 8, Thickness 2 In., Density...More

  • 1" x 48" x 24" Mineral Wool/Foil Backing
    1" x 48" x 24" Mineral Wool/Foil Backing
    • ROXUL
    • Item # 19NE81
    • Mfr. Model # 40260
    • High Temperature Insulation, Material Mineral Wool/Foil Backing, Color Dark Brown, Approx. R Value 4,...More

  • 1" x 48" x 24" Mineral Wool High Temperature
    1" x 48" x 24" Mineral Wool High Temperature
    • ROXUL
    • Item # 19NE76
    • Mfr. Model # 40320
    • High Temperature Insulation, Material Mineral Wool, Color Green, Approx. R Value 4, Thickness 1 In., Density...More

  • 1" x 12" x 12" Calcium Silicate High Tempera
    1" x 12" x 12" Calcium Silicate High Tempera
    • IIG
    • Item # 19NE51
    • Mfr. Model # 676057
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 1.03, Thickness 1 In.,...More

  • 1/2" x 12" x 12" Calcium Silicate High
    1/2" x 12" x 12" Calcium Silicate High
    • IIG
    • Item # 19NE59
    • Mfr. Model # 676058
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.52, Thickness 1/2 In.,...More

  • 1/2" x 12" x 12" Calcium Silicate High
    1/2" x 12" x 12" Calcium Silicate High
    • IIG
    • Item # 19NE43
    • Mfr. Model # 676056
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.52, Thickness 1/2 In.,...More

  • 2" x 48" x 24" Mineral Wool/Foil Backing
    2" x 48" x 24" Mineral Wool/Foil Backing
    • ROXUL
    • Item # 19NE83
    • Mfr. Model # 40265
    • High Temperature Insulation, Material Mineral Wool/Foil Backing, Color Green, Approx. R Value 8, Thickness 2...More

  • 1-1/2" x 48" x 24" Mineral Wool High Te
    1-1/2" x 48" x 24" Mineral Wool High Te
    • ROXUL
    • Item # 19NE77
    • Mfr. Model # 40325
    • High Temperature Insulation, Material Mineral Wool, Color Green, Approx. R Value 6, Thickness 1-1/2 In.,...More

  • 1-1/2" x 48" x 24" Mineral Wool/Foil Ba
    1-1/2" x 48" x 24" Mineral Wool/Foil Ba
    • ROXUL
    • Item # 19NE82
    • Mfr. Model # 560136
    • High Temperature Insulation, Material Mineral Wool/Foil Backing, Color Green, Approx. R Value 6, Thickness...More

  • 4" x 48" x 24" Mineral Wool High Temperature
    4" x 48" x 24" Mineral Wool High Temperature
    • ROXUL
    • Item # 19NE80
    • Mfr. Model # 40225
    • High Temperature Insulation, Material Mineral Wool, Color Green, Approx. R Value 16, Thickness 4 In., Density...More

  • 1-1/2" x 12" x 12" Calcium Silicate High
    1-1/2" x 12" x 12" Calcium Silicate High
    • IIG
    • Item # 19NE55
    • Mfr. Model # 684703
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 1.54, Thickness 1-1/2...More

  • 4" x 48" x 24" Mineral Wool/Foil Backing
    4" x 48" x 24" Mineral Wool/Foil Backing
    • ROXUL
    • Item # 19NE85
    • Mfr. Model # 558000
    • High Temperature Insulation, Material Mineral Wool/Foil Backing, Color Green, Approx. R Value 16, Thickness 4...More

  • 3/4" x 12" x 12" Calcium Silicate High
    3/4" x 12" x 12" Calcium Silicate High
    • IIG
    • Item # 19NE47
    • Mfr. Model # 684707
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.77, Thickness 3/4 In.,...More

  • 1/2" x 24" x 48" Calcium Silicate High
    1/2" x 24" x 48" Calcium Silicate High
    • IIG
    • Item # 19NE44
    • Mfr. Model # 638328
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.52, Thickness 1/2 In.,...More

  • 1" x 48" x 24" Polyisocyanurate High Temperature&
    1" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE86
    • Mfr. Model # 47230
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 5.3, Plain...More

  • 3" x 48" x 24" Mineral Wool High Temperature
    3" x 48" x 24" Mineral Wool High Temperature
    • ROXUL
    • Item # 19NE79
    • Mfr. Model # 40220
    • High Temperature Insulation, Material Mineral Wool, Color Green, Approx. R Value 12, Thickness 3 In., Density...More

  • 2" x 48" x 24" Polyisocyanurate High Temperature&
    2" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE93
    • Mfr. Model # 554993
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 10.5, FSK Facing,...More

  • 3/4" x 24" x 48" Calcium Silicate High
    3/4" x 24" x 48" Calcium Silicate High
    • IIG
    • Item # 19NE64
    • Mfr. Model # 684699
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.77, Thickness 3/4 In.,...More

  • 4" x 48" x 24" Polyisocyanurate High Temperature&
    4" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE95
    • Mfr. Model # 567274
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 21.1, FSK Facing,...More

  • 3" x 48" x 24" Polyisocyanurate High Temperature&
    3" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE89
    • Mfr. Model # 47325
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 15.8, Plain...More

  • 4" x 48" x 24" Polyisocyanurate High Temperature&
    4" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NF01
    • Mfr. Model # 684709
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 21.1, ASJ Facing,...More

  • 1-1/2" x 48" x 24" Polyisocyanurate High Tem
    1-1/2" x 48" x 24" Polyisocyanurate High Tem
    • ITW
    • Item # 19NE92
    • Mfr. Model # 566154
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 7.9, FSK Facing,...More

  • 2" x 48" x 24" Polyisocyanurate High Temperature&
    2" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE98
    • Mfr. Model # 648883
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 10.5, ASJ Facing,...More

  • 1" x 48" x 24" Polyisocyanurate High Temperature&
    1" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE91
    • Mfr. Model # 571038
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 5.3, FSK Facing,...More

  • 3" x 48" x 24" Mineral Wool/Foil Backing
    3" x 48" x 24" Mineral Wool/Foil Backing
    • ROXUL
    • Item # 19NE84
    • Mfr. Model # 554836
    • High Temperature Insulation, Material Mineral Wool/Foil Backing, Color Green, Approx. R Value 12, Thickness 3...More

  • 1" x 24" x 48" Calcium Silicate High Tempera
    1" x 24" x 48" Calcium Silicate High Tempera
    • IIG
    • Item # 19NE52
    • Mfr. Model # 638329
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 1.03, Thickness 1 In.,...More

  • 3" x 48" x 24" Polyisocyanurate High Temperature&
    3" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE94
    • Mfr. Model # 655027
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 15.8, FSK Facing,...More

  • 3/4" x 48" x 48" Calcium Silicate High
    3/4" x 48" x 48" Calcium Silicate High
    • IIG
    • Item # 19NE65
    • Mfr. Model # 684700
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.77, Thickness 3/4 In.,...More

  • 3/4" x 48" x 96" Calcium Silicate High
    3/4" x 48" x 96" Calcium Silicate High
    • IIG
    • Item # 19NE66
    • Mfr. Model # 684701
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 0.77, Thickness 3/4 In.,...More

  • 1" x 48" x 24" Polyisocyanurate High Temperature&
    1" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE96
    • Mfr. Model # 543795
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 5.3, ASJ Facing,...More

  • 3" x 48" x 24" Polyisocyanurate High Temperature&
    3" x 48" x 24" Polyisocyanurate High Temperature&
    • ITW
    • Item # 19NE99
    • Mfr. Model # 647101
    • High Temperature Insulation, Material Polyisocyanurate, Color Light Yellow, Approx. R Value 15.8, ASJ Facing,...More

  • 1" x 12" x 12" Calcium Silicate High Tempera
    1" x 12" x 12" Calcium Silicate High Tempera
    • IIG
    • Item # 19NE67
    • Mfr. Model # 676059
    • High Temperature Insulation, Material Calcium Silicate, Color White, Approx. R Value 1.03, Thickness 1 In.,...More

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