Calcium Silicate Insulation, 24" x 4' x 1/2"

In Packaging?: Yes

Damaged?: Unknown


Ceramic fiber insulation boards are lightweight, rigid, and easy to cut. They are stronger than insulation blankets and wraps, and have high-compression strength. Insulation Material: Calcium Silicate Form: Board Overall Width: 4 ft Overall Length: 24 in Thickness: 1/2 in Density: 40 lb/cu ft Maximum Use Temperature: 1,700 F Minimum Operating Temperature: 0 F Insulation Color: White Facing Material: Unfaced Foam Cell Type: Closed Water Vapor Absorption: Minimal Standards: ASTM C656; C795; E119; E136; E72; E84; NFPA251; UL 1479; UL 1709; UL 263 Brand: JOHNS MANVILLE R Value : 0.52 Insulation R-Value: 0.52 Size (W X L): 4 ft x 24 in Temperature Range: 0 F to 1,700 F Temperature Rating: High Temperature (900 F or above) Material: Ceramic Fiber.