Calcium Silicate, Millboard & Ceramic Boards | ATS

Calcium Silicate, Millboard & Ceramic Fibre Boards

Quick guide

Calcium Silicate

Board type

Best for: Structural insulation

Temperature: Medium–high

Ceramic Fibre

Board type

Best for: Extreme heat insulation

Temperature: Very high

Millboard

Board type

Best for: Electrical & backing

Temperature: Moderate

Stacked calcium silicate thermal insulation boards 25 mm × 610 mm × 1000 mm rated to 1000 °C for industrial high-temperature applications

Calcium Silicate Board Rigid insulation for furnaces, kilns & wood-fired pizza ovens

Fibrefrax Duraboard ceramic fibre insulation boards for high-temperature thermal stability up to 1260 °C, ideal for industrial environments with vibration and thermal shock exposure

Ceramic Fibre Board Lightweight high-temperature insulation for extreme heat applications

Stacked sheets of non-asbestos millboard insulation, made from mineral wool fibre, designed for high-temperature resistance in thermal and electrical applications.

Millboard Durable electrical & thermal backing insulation board

High Temperature Insulation Boards – Calcium Silicate, Millboard & Ceramic Fibre

Our high temperature insulation boards are engineered for heat shielding, refractory linings, and equipment protection in extreme thermal environments. The range includes calcium silicate boards for exceptional structural strength, ceramic fibre boards for lightweight thermal performance, millboard for economical high temperature and fire protection.

Suitable for kilns, boilers, ovens, and furnaces, these rigid boards provide thermal stability, mechanical strength, and resistance to thermal shock. Boards are available in standard sizes and can be cut or machined to meet your specifications. For alternative materials, visit our Thermal Insulation Materials collection.