Fibrefrax Duraboard – Rigid Ceramic Fibre Insulation (Up to 1260 °C)
High-Performance Board for Thermal, Vibration & Mechanical Stress

Fibrefrax Duraboard is a durable, rigid ceramic fibre board designed for extreme-heat environments subject to vibration and mechanical stress. Produced via a wet-forming process from Fibrefrax bulk fibres and binders, it delivers excellent thermal stability and structural integrity. For broader application options, view our full Thermal Insulation Materials collection.

Key Features:

• High temperature stability — continuous use up to 1260 °C
• Thermal shock resistance — withstands rapid temperature changes without cracking
• Lightweight & rigid — easy to handle while retaining strength
• Cold handling strength — maintains durability even at sub-zero temperatures
• Corrosion resistant — reliable performance in chemically aggressive environments
• Customisable — available in various thicknesses and dimensions

Typical Applications:

• Furnace and kiln linings
• Refractory insulation backing
• High-temperature duct insulation
• Gasket and sealing applications
• Thermal barriers in industrial machinery

Availability: Standard stock sizes available. Custom thicknesses supplied on request — please contact us for details.

You may also be interested in alternative high-performance boards such as Calcium Silicate Board, Ceramic Fibre Mica, and Millboard High Temperature Insulation.