Medium Black Lava Rock - 1/2" - 1" - 10 Pounds

Using the Medium Black Lava Rocks in a gas fireplace will give your fireplace a more natural appearance. Lava rock can also be used as a filler when using fire glass in a gas fireplace. The Medium Lava Rock measures 1/2" - 1" in size.

Sold in 10 lb. increments.

How Much Glass Do I Need
Fireplace Glass Installation Instructions

Note: Fireplace glass is designed to be used in a vented fireplace and cannot be used in a vent-free or direct vent fireplace

WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to http://www.P65Warnings.ca.gov.