How much lava rock in fire pit

Each cubic foot of lava rocks weighs about 25 pounds. Fire pit glass is another great alternative to line the bottom of your fire pit. In this way how much lava rock do I need for my fire pit. All measurements should be made in inches. Red Lava Rock 38 in. The rule of thumb here is that lava rock gives you twice the volume per pound as fire glass.

So if you fire pit requires 40 lbs of fire glass to fill it it will only require 20 lbs of lava rock.

They may not look like much but they do the job. Mix Lava Rock and Fire Glass. Fire Pit Essentials10 lbs. Lava rocks help disperse the flame giving it a more natural look. Use 3 of lava to properly cover a Crossfire Burner FIRE MEDIA PRODUCTS Accessories Lava Pebbles 17500 Add to cart Accessories Reflective Fire Glass 5000 Select options Accessories Black Lava Rock 10 Pound Bags 2750 Add to cart WHY MONTANA FIRE PITS. The fire pit starts off fine and then within a few minutes lava rock pieces tend to fly out. The rule of thumb here is that lava rock gives you twice the volume per pound as fire glass. Red Lava Rock 38 in. In most cases this amount is 2 to 4 inches of lava rock. Consult your users manual for specifics. They may not look like much but they do the job.