Weight: 20.00 lbs

Do you want to fill your fire pit with lava rock, but aren't sure how much you need? Use the following guidelines for using our all natural lava rock:

• 12" ring uses 20 lbs (1 bag)


• 18" ring uses 20-40 lbs (1-2 bags)


• 24" ring uses 40-60 lbs (2-3 bags)


• 30" ring uses 80-100 lbs (4-5 bags)


• 36" ring uses 100-120 lbs (5-6 bags)

These natural volcanic cinders are dark, glassy, vesicular fragments. Produced by gas-rich eruptions, these cinders are guaranteed fire-safe and work wonderfully in all outdoor fire features. They lend a natural look to complement your fire pit project. Since these rocks are naturally formed, their size and shape varies. Generally each piece is 1-3" in diameter.

Sold in bags of 20 lbs increments.


Atlanta: Gas Products Co. Inc.can help install and repair Gas Fire Pits & Fire Rings in the Atlanta area -- Click here for installation info or call 800.476.4790