Vermiculite Fire Brick and Boards

A vermiculite sheet is a heat-resistant insulation board made from exfoliated vermiculite — a naturally occurring mineral that expands when heated.

In wood-burning stoves, these sheets are used to line the firebox and... Read More

A vermiculite sheet is a heat-resistant insulation board made from exfoliated vermiculite — a naturally occurring mineral that expands when heated.

In wood-burning stoves, these sheets are used to line the firebox and protect the stove body from direct heat. Their key functions are:

• 🔥 Heat insulation – They reflect heat back into the combustion chamber, helping the stove burn fuel more efficiently.

• 🧱 Fire protection – They shield the metal casing from excessive heat, preventing warping or damage.

• 🌡️ Improved performance – By keeping the combustion area hotter, they promote cleaner, more complete burning of wood.

Vermiculite boards are lightweight, easy to cut, and can withstand temperatures up to about 1100°C, making them ideal for replacement stove liners or custom fireproof panels