1 in x 24 in x 48 in Calcium Silicate High Temperature Insulation, 55 MPN:638325
1 in x 24 in x 48 in Calcium Silicate High Temperature Insulation, 55
Protect your high-temperature equipment and processes with Johns Manville's 1 in x 24 in x 48 in Calcium Silicate Insulation. This durable, unfaced board offers exceptional thermal performance, withstanding temperatures up to 1,700°F. Its closed-cell structure minimizes water vapor absorption, ensuring long-lasting insulation and reducing the risk of damage from moisture. Ideal for use in industrial applications such as kilns, furnaces, and boilers, this insulation also meets strict safety standards, including UL 1479 and UL 263. Its compact size and flexibility make it easy to install in tight spaces, reducing labor costs and improving overall efficiency.
Top product features:
- High Temperature Insulation
- Provides thermal resistance up to 1,700 Degrees F
- Has a minimal water vapor absorption rate
Top product applications:
- High Temperature Furnace Insulation
- Industrial Oven Insulation
- Steam Pipe 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 24 in, Overall 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: 24.88
- Package Height: 1.88
- Package Weight: 64.00
Product info last updated on February 2, 2026 4:58pm UTC
Category: Heating Equipment