Lava Stones for Chimeneas & Fire Pits

These lava stones are lightweight pumice stones designed to protect clay chimeneas from intense heat while improving insulation and fire performance. Placed at the base of the chimenea, they help prevent thermal shock and reduce the risk of cracking.

The porous structure of pumice provides excellent heat distribution without burning, making these stones ideal for chimeneas, fire pits and outdoor heating setups.

Features & Benefits

• Protects clay chimeneas from direct heat

• Helps prevent cracking and thermal shock

• Lightweight and easy to handle

• Reusable and long lasting

• One bag suitable for one chimenea

Easy To Use

Simply pour the contents evenly into the bottom of the chimenea and build your fire on top. The stones act as a protective insulating layer between the flame and the clay surface.

Product Details

• Material: Natural pumice lava stone

• Pack Size: 4 litres

• Reusable: Yes

• Heat Resistant: Yes

Lightweight pumice stones offer better insulation quality than heavier alternatives, making them ideal for chimenea protection.

This product strongly connects with:

• Clay chimeneas

• Fire pit accessories

• Outdoor heating

Do lava stones stop chimeneas cracking?
Yes, they reduce direct heat contact and help prevent thermal shock.

Can these stones be reused?
Yes, pumice lava stones can be used repeatedly.

How much do I need?
One 4 litre bag is usually enough for a standard chimenea.

Delivery

🚚 Free UK delivery (excluding islands)
⏱ Dispatched within 1–2 working days