1 in x 48 in x 48 in Calcium Silicate High Temperature Insulation, 55 MPN:638327

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Brand: Johns Manville
Part #: 638327
SKU
510-G8641507
Regular Price $1,432.61 Special Price $1,023.29

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1 in x 48 in x 48 in Calcium Silicate High Temperature Insulation, 55

Johns Manville's 1 in x 48 in x 48 in Calcium Silicate High Temperature Insulation is a premium solution for demanding industrial applications. This unfaced insulation board provides exceptional thermal performance and durability, with a high R-value of 1.03 and a maximum operating temperature of 1,700 Degrees F. Its closed-cell structure and minimal water vapor absorption make it ideal for use in high-temperature processes, such as kilns, furnaces, and boilers. Suitable for a range of industries, including manufacturing, energy, and construction, this insulation board offers long-lasting protection and improved efficiency.

Top product features:

  • 1 in x 48 in x 48 in Calcium Silicate High Temperature Insulation provides thermal protection up to 1,700 Degrees F.
  • The insulation material has a minimal water vapor absorption rate.
  • The product has a closed-cell foam structure.

Top product applications:

  • High temperature furnace insulation
  • Industrial kiln insulation
  • Steam boiler insulation
High Temperature Insulation, Density 55 lb/cu ft, Facing Material Unfaced, Flexibility Not Applicable, Foam Cell Type Closed, Form Board, Insulation Color White, Insulation Material Calcium Silicate, Maximum Operating Temperature 1,700 Degrees F, Minimum Operating Temperature 0 Degrees F, Overall Length 4 ft, Width 4 ft, R Value 1.03, Thickness 1 in, Standards ASTM C656, C795, E119, E136, E72, E84, NFPA251, UL 1479, UL 1709, UL 263, Water Vapor Absorption Minimal

Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 270 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 50.94
  • Package Width: 48.88
  • Package Height: 1.88
  • Package Weight: 128.00
Product info last updated on February 2, 2026 2:53pm UTC Category: Heating Equipment
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