Top 10 Lava Rocks for Fire Pit – Outdoor Decorative Stones

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1. Venetian Princess

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Decorative Landscaping Rocks or Gas Fire Pits Rocks, Red Lava Rock, 3/4" .75" 10 Lbs, Venetian Princess Lava Rocks

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Venetian Princess #ad - Calculating how much lava rocks you need - circular/round fire pit - to calculate how many pounds of lava rocks you'll be needing for your project, simply: Radius Inches x Radius Inches x 3.

14 = square inches / then divide the square inches you have by 16 = Number of Pounds you'll be needing This is calculated for the optimal depth for Lava Rocks of 2" Deep. Lava rocks is heat proof and ideal usage in Indoor and Outdoor Gas Fire Pits and Fireplaces. 3/4 inch lava rocks - available in Black or Red - 10 Pounds or 40 Pounds. Lava rocks can be used with Fire Pits, Fireplaces, or Decoratively.

Calculating how much lava rocks you need - square/rectangular fire pit - width left & right x depth front to Back = Square Inches / Then Divide the Square Inches you have by 16 = Number of Pounds you'll be needing to get how many pounds of Lava Rocks you'll be needing This is calculated for the optimal depth for Lava Rocks of 2" Deep.
BrandVenetian Princess #ad
ManufacturerVenetian Princess #ad

2. Hiland

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Good for Propane or Natural Gas, 10 Pounds, Extreme Tempature Rating, Hiland Fire Pit Fire Glass in Bahama Blend

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Hiland #ad - Heat rating: higher temperature when compared to logs, stones, lava rocks, etc. Fire glass is very easy to maintain because it emits no ash, soot, or smoke. It does a wonderful job of covering the entire floor of a fire feature, effectively hiding the unseemly pipes and tubes. Available in 10 and 20 pounds. Our fire glass is not just exquisite to behold, it is also very practical. Thus you can spend more time enjoying your fire pit/place and less time cleaning it. Ideal for both indoor or outdoor environments, fire glass may be used in either natural gas or propane fires.
BrandHiland #ad
ManufacturerAZ Patio #ad
Height0.75 Inches
Length0.75 Inches
Weight1 Pounds
Width0.75 Inches
Part NumberRGLASS-BB
ModelRGLASS-BB

3. Midwest Hearth

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Red 1/2" to 2" 10-lb Bag, Midwest Hearth Lava Rock for Fire Pits and Gas Log Sets

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Midwest Hearth #ad - Natural color - no artificial color added. Natural volcanic lava rock - Withstands extremely high temperatures without sustaining any damage or crumbling.

Complete your gas log set - give your fire box a more complete look and fill that ugly floor with all natural lava rock! 1/2" to 2" average size - larger than our "granules", these give a bigger and wider size variety for outdoor fire features or large gas log sets. Natural red lava rock with multiple shades of red and some grays and tans on random stones. Great base layer for fire pits - Use as a neutral base layer, then top with logs or other accents.
BrandMidwest Hearth #ad
ManufacturerMidwest Hearth #ad

4. Margo Garden Products

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20 lb, Margo Garden Products 1" 20lbs Dragon Glass, Black

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Margo Garden Products #ad - Recommended uses - walkways, Fountains, Planters, Outdoor gardens, or other creative interior/exterior design. Round fireplace/fire pit-diameter x diameter x Pebble Height/ 26 = pebbles lbs. Pebble size 3/4" - 1 1/2". Rectangular fireplace/fire pit, length x width x Height/ 21 = pebbles lbs. Tumbled to create a more uniform shape and unique look. Sourced from lava fields in Asia.
BrandMargo Garden Products #ad
ManufacturerMargo Garden Products #ad
Height4.62 Inches
Length18 Inches
Weight20 Pounds
Width8 Inches
Part NumberDFBLP2-20
Model1" 20lbs

5. Fire Pit Essentials

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Red 3/4 Inch Lava Rock | Fireproof and Heatproof Volcanic Lava Rock, BBQs and More. Indoor and Outdoor use, Natural Stones | 10 Pounds, Fireplaces, Perfect for Fire Pits

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Fire Pit Essentials #ad - If lava rock is wet, allow fire pit to burn for 45 minutes prior to coming within 15 feet of the fire pit. No color additives or chemicals. Please cover your fireplace or fire pit during the first couple of uses.

When not in use the fire pit must be covered at all times. 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. 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.
BrandFire Pit Essentials #ad
ManufacturerFire Pit Essentials #ad
ModelLR-04

6. American Fireglass

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All-Natural, 1/2 Inch to 1 Inch Thick x 10 Pounds, American Fireglass LAVA-M-10 American Fire Glass Medium Sized Black Lava Rock – Porous

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American Fireglass #ad - Enhance your home oasis: black lava rocks are a low-cost way to give your fire feature an exotic, tropical and classy look. Indoor or outdoor use: lava rocks are the perfect choice for fire bowls, fire pits, and indoor or outdoor fireplaces liquid propane or natural gas.

Naturally occurring fire pit rocks look great and have a fascinating burning effect. All-natural lava rocks: formed as volcanic magma rises to the surface then cools and releases gases, these medium sized fire rocks can withstand the most extreme temperatures without damage or crumbling, making them a beautiful addition to your fire feature! Sourced in the USA. Versatile: american fire glass lava rocks go beyond fire features.

Use these fire pit rocks on their own or as a base or filler for other ornaments. No assembly required. High quality, american fire glass black lava fireplace rocks come in a variety of Sizes, long-lasting and cost effective, low maintenance: durable, have a porous surface and require very little maintenance. The all-natural rocks are great in soil to retain moisture for plants and also work well as an addition to aquariums and ponds.
BrandAmerican Fireglass #ad
ManufacturerAmerican Fireglass #ad
Height3 Inches
Length14 Inches
Weight11 Pounds
Width16 Inches
Part NumberLAVA-M-10
ModelLAVA-M-10

7. Celestial Fire Glass

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1/2" Reflective Tempered Fire Glass in Meridian Blue | 10 Pound Jar, Celestial Fire Glass High Luster

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Celestial Fire Glass #ad - Lifetime warranty – as a us based company, you can be assured that celestial Fire Glass will be around to back our lifetime warranty. Maximum luster - our glass is not tumbled, so it's more luminous than other brands.

Packaged in a jar not a bag - bags of fire glass are tough to manage. Also, since we’re based in the US we are easily reachable by phone to answer your questions and provide support. This is enhanced by a reflective mirrored backing, resulting in high-luster fireglass that sparkles and shines! Try it before you buy it - have a real sample of our fire pit glass shipped directly to your door, for less than the price of a cup of coffee! It's the best way to make the right color decision.

No more spontaneous spillovers or split bags to fuss with. Rich sapphire blue color - ideal for setting a cool and relaxing mood, this striking hue blends Sapphire Blue and Cobalt Blue shades to produce a unique and alluring reflective glass color. That's why we pack ours in a sturdy, reusable jar with a convenient handle for easy storage, handling & transport.
BrandCelestial Fire Glass #ad
ManufacturerCelestial Fire Glass #ad
Height5 Inches
Length9 Inches
Weight10 Pounds
Width5 Inches
Part NumberTRL-MB-10
ModelTRL-MB-10
WarrantyCelestial warrants to the original purchaser that its product is free from defects in workmanship and materials. This warranty applies for the lifetime of the original purchaser, for residential use only. With the exceptions and on the conditions stated below, should the product fail, Celestial, will replace it with the same or similar product free of charge or will refund the purchase price at Celestial’s sole discretion.

8. Midwest Hearth

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Black 5/8" to 1-1/2" 10-lb Bag, Midwest Hearth Lava Rock for Fire Pits and Gas Log Sets

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Midwest Hearth #ad - Great base layer for fire pits - use as a neutral bas layer, then top with logs or our beautiful fire glass! Complete your gas log set - Give your fire box a more complete look and fill that ugly floor with all natural lava rock! 5/8" to 1-1/2" average size - larger than our "granules", these give a slightly bigger look for outdoor fire features or large gas log sets. Natural volcanic lava rock - Withstands extremely high temperatures without sustaining any damage or crumbling. Natural black lava rock with hints of browns and grays. Natural color - no artificial color added.
BrandMidwest Hearth #ad
ManufacturerMidwest Hearth #ad

9. Bond Manufacturing

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ø 0.66-0.74 in, Bond Manufacturing 67986 10lb LavaGlass Round Fire Pit Dispersion Glass, Amber Sunset

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Bond Manufacturing #ad - Lava glass is available in various colors - Amber Sunset, Emerald City, Indigo Dream. Fire pit glass beads: it has protective qualities of Heat-resistant and Weather-resistant.

Lava glass for gas fire pit: bond's lava glass adds a unique veneer of brilliance to any common fire pit. They provide a beautiful alternative to boring wood or coal fillers, and they're engineered to withstand normal use of both indoor and outdoor fireplaces. Fire pit rocks: turn the fire pit or fireplace into a sparkling showpiece with Mini Lava Glass from Bond Manufacturing. One container is designed to cover two square feet. Lava rock fire pit: use only one of the gorgeous colors for a uniform approach to the space, or mix and match colors for an exotic touch that can turn any fire pit into the focal point of your home or backyard. It is replacement for ceramic logs.
BrandBond Manufacturing #ad
ManufacturerBond #ad
Height8.66 Inches
Length5.12 Inches
Weight10 Pounds
Width4.92 Inches
Part Number67986
Model67986

10. Grisun

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1/2 Inch High Luster Reflective Tempered Glass Rocks for Natural or Propane Fireplace, 9.5 Pounds Safe for Outdoors and Indoors Firepit Glass, Grisun Pacific Ocean Blue Fire Glass for Fire Pit

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Grisun #ad - And also glass indoor fireplace, Fire table, Outdoor Fire Bowls, fish tank. Warm collocation- Put a layer of lava rocks down and then covered with glass beads. Gives a unique look and keeps us warm on our deck on cold nights.

Dimensions- the length of glass is 1/2" to 1. 5". Material- premium quality fire glass for Long-Term Heat Consumption and will NOT Degrade. Use in most of fireplace- indoor or outdoor fireplace that is propane gas, natural gas or electric comes with acrylic ice. Package- 9. 5 lbs for a bag that sealed and sturdy. The glass retains some heat but no flame when you turn off the supply of gas. Environmental protection- fire glass is a Brilliant and Stylish Addition for Your fire pit, heat resistance, Replacing Traditional Burning Wood.

Reflective fire glass- Beautiful flames Make fire glass shine bright like a diamond in the fireplace. No melted and no faded- strong corrosion resistant, fade resistance and heat preservation give us a safety and beautiful warmth experience. This is meant for gas fireplaces. Heating and easy to extinguish- the glass itself does not burn.
BrandGrisun #ad
ManufacturerGrisun #ad