Construction Gravel vs Lava Rock: Size, Cost, and Which to Use
Construction Gravel runs about $12 per ton and Lava Rock about $90 per ton. Compare size, drainage, compaction, and which one to use.
Overview
Construction Gravel
Construction gravel is a broad category of mixed-size stone used for general building and site work. It typically includes a combination of crushed stone sizes suitable for base preparation and structural fill.
Lava Rock
Lava rock is a lightweight, porous volcanic stone commonly used in landscaping. Its rough texture helps retain moisture while allowing airflow to plant roots.
Common Uses
Construction Gravel
- ✓ Construction sites
- ✓ Base layers
- ✓ Backfill
- ✓ Temporary roads
Lava Rock
- ✓ Landscaping
- ✓ Garden beds
- ✓ Decorative ground cover
Pros & Cons
Construction Gravel
- + Versatile material
- + Readily available
- + Cost-effective
- + Suitable for many applications
- − Inconsistent sizing
- − Not decorative
- − Varies by supplier
Lava Rock
- + Very lightweight
- + Excellent moisture retention
- + Decorative appearance
- − Breaks down over time
- − Sharp edges
- − Can scatter easily
Cost Comparison
| Measure | Construction Gravel | Lava Rock |
|---|---|---|
| Per ton | $12 – $21 | $90 – $150 |
| Per cubic yard | $20 – $50 | $110 – $180 |
Sizes & Colors
Construction Gravel
Mixed crushed stone sizes ranging from fines to 1" or larger. Color varies by quarry source.
Lava Rock
Typically 3/4"–1.5" sizes. Red or black.
Published February 11, 2026
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