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American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
American Fire Products lava stone size comparison showing small medium large and extra large volcanic fire pit media stones side by side from 1/2 inch to 6 inch sizes
American Fire Products large gray lava stone 2 to 4 inch fire pit media use case in gas fire pit with flames and decorative lava rock
American Fire Products large gray lava stone 2 to 4 inch fire pit media use case in gas fire pit with flames and decorative lava rock
American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media for gas fire pits and fireplaces
Load image into Gallery viewer, American Fire Products lava stone size comparison showing small medium large and extra large volcanic fire pit media stones side by side from 1/2 inch to 6 inch sizes
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch fire pit media use case in gas fire pit with flames and decorative lava rock
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch fire pit media use case in gas fire pit with flames and decorative lava rock
Load image into Gallery viewer, American Fire Products large gray lava stone 2 to 4 inch volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement
Load image into Gallery viewer, American Fire Products gray lava stone volcanic rock fire pit media showing features and benefits including heat resistance airflow and flame enhancement

SKU: LAVAST-L-10

American Fire Products Large Gray Lava Stone (2" - 4")

American Fire Products
$25.99
$25.99
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American Fire Products Large Gray Tumbled Lava Stones (2"–4") deliver a bold, oversized fire media solution designed to enhance the visual impact of any fire pit, fireplace, or outdoor fire feature. Naturally formed volcanic rock is tumbled to create a smooth, refined surface that balances rugged texture with a modern architectural finish.

These large lava stones are engineered for extreme heat resistance and long-term durability. They will not crack, melt, or fade under high temperatures. Their porous structure improves airflow, helping produce a brighter, cleaner, and more dynamic flame presentation.

Designed strictly as a top-layer fire media, these stones must be installed over a base layer of small or medium lava rock to ensure safe burner coverage and optimal performance. Once properly layered, they create a premium, high-end fire feature finish with strong visual presence.

Features

  • Large 2"–4" oversized stones for bold fire feature design
  • Made from natural volcanic rock for extreme heat resistance
  • Tumbled smooth finish for a modern, refined appearance
  • Enhances flame visibility and movement
  • Porous structure improves airflow and combustion performance
  • Will not crack, melt, or discolor under high heat
  • Designed as a top-layer media only (requires base layer of smaller lava rock)
  • Suitable for fire pits, fireplaces, and commercial installations
  • Low maintenance, clean-burning, long-lasting material

Product Specifications

  • Material: Natural Volcanic Rock
  • Stone Size: 2"–4" diameter
  • Color: Gray to charcoal
  • Application: Top layer only (must be installed over small or medium lava rock base)
  • Heat Resistance: High-temperature resistant, non-cracking, non-melting
  • Finish: Tumbled smooth volcanic stone
  • Maintenance: Low maintenance, soot-free, dry storage recommended

Downloads

  • FIRE GLASS CALCULATOR
  • LAVA ROCK CALCULATOR
  • Round Fire Pit
  • Square Fire Pit
  • Rectangular Fire Pit
  • Fire Bowl
  • Fireplace
roundfire_img

Round Fire Pit Calculator

You Will Need [x] Pounds Of Glass

squarefire_img

Square Fire Pit Calculator

You Will Need [x] Pounds Of Glass

rectangularfire_img

Rectangular Fire Pit Calculator

You Will Need [x] Pounds Of Glass

firebowl_img.png

Fire Bowl Calculator

You Will Need [x] Pounds Of Glass

fireplace_img.png

Fireplace Calculator

You Will Need [x] Pounds Of Glass

  • Round Fire Pit
  • Square Fire Pit
  • Rectangular Fire Pit
  • Fire Bowl
  • Fireplace
roundfire_img

Round Fire Pit Calculator

You Will Need [x] Pounds Of Glass

squarefire_img

Square Fire Pit Calculator

You Will Need [x] Pounds Of Glass

rectangularfire_img

Rectangular Fire Pit Calculator

You Will Need [x] Pounds Of Glass

firebowl_img.png

Fire Bowl Calculator

You Will Need [x] Pounds Of Glass

fireplace_img.png

Fireplace Calculator

You Will Need [x] Pounds Of Glass

Decsription

American Fire Products Large Gray Tumbled Lava Stones (2"–4") deliver a bold, oversized fire media solution designed to enhance the visual impact of any fire pit, fireplace, or outdoor fire feature. Naturally formed volcanic rock is tumbled to create a smooth, refined surface that balances rugged texture with a modern architectural finish.

These large lava stones are engineered for extreme heat resistance and long-term durability. They will not crack, melt, or fade under high temperatures. Their porous structure improves airflow, helping produce a brighter, cleaner, and more dynamic flame presentation.

Designed strictly as a top-layer fire media, these stones must be installed over a base layer of small or medium lava rock to ensure safe burner coverage and optimal performance. Once properly layered, they create a premium, high-end fire feature finish with strong visual presence.

Features

  • Large 2"–4" oversized stones for bold fire feature design
  • Made from natural volcanic rock for extreme heat resistance
  • Tumbled smooth finish for a modern, refined appearance
  • Enhances flame visibility and movement
  • Porous structure improves airflow and combustion performance
  • Will not crack, melt, or discolor under high heat
  • Designed as a top-layer media only (requires base layer of smaller lava rock)
  • Suitable for fire pits, fireplaces, and commercial installations
  • Low maintenance, clean-burning, long-lasting material

Product Specifications

  • Material: Natural Volcanic Rock
  • Stone Size: 2"–4" diameter
  • Color: Gray to charcoal
  • Application: Top layer only (must be installed over small or medium lava rock base)
  • Heat Resistance: High-temperature resistant, non-cracking, non-melting
  • Finish: Tumbled smooth volcanic stone
  • Maintenance: Low maintenance, soot-free, dry storage recommended

Downloads

Customer Reviews
Fire Glass Calculator
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