1. Lightweight, heat-resistant bricks made from insulating materials, used in furnaces, kilns, and high-temperature industrial applications.
Usage: technical; usually plural; trademark or brand name in some contexts

Examples

• The furnace was lined with insulbricks to minimize heat loss.
• Insulbricks are essential components in high-temperature industrial kilns.
• The contractor ordered several pallets of insulbricks for the new boiler installation.
• These insulbricks can withstand temperatures exceeding 1500 degrees Celsius.
• The factory uses insulbricks to improve energy efficiency in their production process.