Natural volcanic lava rocks are excellent base layers and cost-effective fillers for gas fire pits and fireplaces. Fire glass, ceramic balls and other decorative fire pit products can be added on top of the fire rock for...

Buy Now From Amazon

Natural volcanic lava rocks are excellent base layers and cost-effective fillers for gas fire pits and fireplaces. Fire glass, ceramic balls and other decorative fire pit products can be added on top of the fire rock for effect. If you like the look of these angular lava rocks alone, they're an affordable way to fill a fireplace. Lava rock is available in two sizes and colors.



  • IMPROVES FLAME PERFORMANCE by spreading the gas dispersion in all directions, ideal on its own or as a base layer underneath fire glass, or even mixing the lava and glass together.
  • GAS COMPATIBLE, for use in indoor and outdoor natural gas and propane fireplaces and fire pits; perfect to replace faux fire log sets
  • ECO-FRIENDLY AND SAFE for indoor and outdoor applications. No color additives or chemicals.
  • HASSLE-FREE INSTALLATION: Lava rock is easy to install, simply pour straight from the bag into your fire pit or fireplace
  • WARNING: Lava rock may pop or crack while adjusting to changes in temperature. Please cover your fireplace or fire pit during the first couple of uses. If lava rock is wet, allow fire pit to burn for 45 minutes prior to coming within 15 feet of the fire pit. When not in use the fire pit must be covered at all times.
  • IMPROVES FLAME PERFORMANCE by spreading the gas dispersion in all directions, ideal on its own or as a base layer underneath fire glass, or even mixing the lava and glass together.
  • GAS COMPATIBLE, for use in indoor and outdoor natural gas and propane fireplaces and fire pits; perfect to replace faux fire log sets
  • ECO-FRIENDLY AND SAFE for indoor and outdoor applications. No color additives or chemicals.
  • HASSLE-FREE INSTALLATION: Lava rock is easy to install, simply pour straight from the bag into your fire pit or fireplace
  • WARNING: Lava rock may pop or crack while adjusting to changes in temperature. Please cover your fireplace or fire pit during the first couple of uses. If lava rock is wet, allow fire pit to burn for 45 minutes prior to coming within 15 feet of the fire pit. When not in use the fire pit must be covered at all times.

Similar Products

Rio Hamza Trading Red Lava Rocks (12-lbs) All Natural Medium Size Lava Rocks 1Gas firepit cover 31 inches by 31 inchesRegal Flame 9 Piece Petite Set of Ceramic Wood Gas Fireplace Logs Logs For All Types of Indoor, Gas Inserts, Ventless & Vent Free, Propane, Gel, Ethanol, Electric, or Outdoor Fireplaces & Fire Pits.Intex Red River Run 1 Fire Edition Sport Lounge, Inflatable Water Float, 53Mind Reader 7 Compartment Coffee Condiment, Cups, Lids, Sugars, Stirrers,Storage Organizer, BlackNEW Premium Quality Shoe Shine Sponge | Instant Shining for Luxury Leather, Patent, Waterproof, Gloss & Vinyl | Neutral Color for White Black and Brown Bags Belts Boots Furniture & More | Made in USACLIF KID ZBAR - Organic Energy Bar - Iced Oatmeal Cookie - (1.27 Ounce Snack Bar, 18 Count)Endless Summer GAD1401M LP Gas Outdoor Fireplace