Crushed Concrete: Uses, Coverage & Calculator
Recycled concrete crushed into a compactable base: an economical, eco-friendly alternative to virgin stone.
What is Crushed Concrete?
Crushed concrete is made by breaking down old concrete from demolition and road projects, then screening it to size. Sizing varies by producer, and small pieces of brick or asphalt can appear.
It compacts well and is lighter than natural stone, so the same tonnage covers more area. That makes it a cost-effective base for driveways, parking areas and construction sites.
| Specification | Details |
|---|---|
| Size | Varies, often 3/4″–1½″ to fines |
| Shape | Angular, crushed |
| Fines | Yes, binds when compacted |
| Source | Recycled concrete |
| Approx. weight | 1.25 tons (~2,500 lbs) per cubic yard |
Best uses
- Driveway and parking area base
- Construction site access roads
- Sub-base under slabs
- Filling large low areas
Not ideal for
- Decorative or visible landscaping
- Next to plants sensitive to alkaline soil
- Drainage systems
How much Crushed Concrete do I need?
Enter your area and depth to get cubic yards and tons. Results update as you type.
You'll need about
Based on about 1.25 tons (~2,500 lbs) per cubic yard. Actual weight varies with moisture and source, so treat results as an estimate.
Recommended depth by project
Typical installed depths for Crushed Concrete. Check local codes or your contractor for structural work.
| Project | Depth | Notes |
|---|---|---|
| Driveway base | 6″ | Compact in lifts |
| Construction entrance | 6″ | Over geotextile |
| Slab sub-base | 4″ | Per your contractor |
How to install Crushed Concrete
A few steps make a big difference to how long it lasts.
- Prepare the groundClear and compact the subgrade.
- Spread in liftsSpread 3″ at a time.
- Wet and compactWet lightly and compact each lift until firm.
Crushed Concrete questions
Quick answers to what customers ask most.
Is crushed concrete as strong as crushed stone?
For most driveway and base uses it performs well when compacted. Natural stone is more consistent in size and appearance.
How much area does a ton cover?
Because it is lighter, at 4″ deep one ton covers about 65 sq ft.
Is crushed concrete safe near gardens?
It can raise soil pH, so keep it away from acid-loving plants like azaleas and blueberries.
Related materials
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Delivered by the ton or cubic yard to your driveway or job site.