Calcium Silicate Board – 1000 mm × 610 mm × 25 mm High-Temperature Thermal Insulation (rated to 1000 °C) – Sold per board
Rigid, lightweight calcium silicate board engineered for demanding thermal environments. It delivers low thermal conductivity and stable performance at elevated temperatures, making it suitable for both industrial and commercial insulation projects. Explore complementary options in our High Temperature Boards collection or our broader Thermal Insulation Materials range.
Key Features:
High temperature resistance — continuous use up to 1000 °C
Low thermal conductivity — helps reduce heat loss and energy consumption
Moisture resistant — suitable for humid conditions when correctly installed
Dimensionally stable under heat — minimises warping or shrinkage
Non-combustible — appropriate for fire-rated systems (check system requirements)
Easy to work — can be cut and machined with standard tools
Typical Applications:
Furnace and kiln linings (as part of a refractory system)
Wood-fired pizza oven base insulation
Refractory back-up insulation and heat-shielding
High-temperature duct and equipment lagging
Thermal barriers in industrial plants
Size: 1000 mm (long) × 610 mm (wide) x 25 mm (thick) Weight: • 3.6kg per board (25mm thick board) • 7.2kg per board (50mm thick board) Packaging: Sold individually (per board) Availability: 25 mm boards are typically stocked. 50 mm thickness available on request