Rip Rap: Uses, Cost, and Buying Guide
Also known as: Armor Stone, Rip Rap Stone, Shot Rock
What Is Rip Rap?
Large, heavy, angular stones ranging from 6 to 24+ inches used primarily for erosion control. Rip rap protects shorelines, stream banks, bridge abutments, and steep slopes from water erosion. The heavy weight and interlocking shape resist displacement by flowing water and wave action.
Great For Drainage Gravel
How Much Rip Rap Do I Need?
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Is Rip Rap Right for You?
Best for
- ✓ Shoreline protection
- ✓ Stream bank stabilization
- ✓ Steep slope erosion control
- ✓ Culvert outlets
Not recommended for
- ✗ Driveways
- ✗ Walkways
- ✗ Decorative landscaping
- ✗ Small residential projects
Common Uses
- ✓ Shoreline protection
- ✓ Stream bank stabilization
- ✓ Bridge abutments
- ✓ Steep slope stabilization
- ✓ Culvert outlets
- ✓ Retaining wall faces
Pros & Cons
| Pros | Cons |
|---|---|
| + Extremely effective at preventing water erosion | − Very heavy — requires heavy equipment to place |
| + Heavy weight resists displacement by water | − Expensive for large projects |
| + Long-lasting — lasts decades with no maintenance | − Not suitable for foot traffic |
| + Angular shape interlocks for stability | − Requires engineering design for major installations |
| + Natural appearance blends with waterside environments | − Limited decorative appeal |
Rip Rap Sizes & Colors
Large angular stones typically 6-24 inches in diameter, though some applications use stones up to 36 inches or larger. Weight ranges from 25 to 500+ pounds per stone. Colors vary by source quarry — typically gray, blue-gray, tan, or brown. Sold by the ton rather than by the yard.
Rip Rap Cost
| Measure | Price Range |
|---|---|
| Per ton | $35 – $80 |
| Per cubic yard | $45 – $100 |
Extremely heavy — requires dump truck delivery. A tandem truck carries only 12-15 tons. Placement often requires an excavator or skid steer. Get quotes for delivery AND placement together.
Prices vary by region, availability, and order size. Urban areas typically pay more than rural areas.
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Rip Rap by City
Rip Rap Crushed limestone is commonly used and readily available in the following cities:
Find Rip Rap Near You
10291 Ophir Rd, Newcastle, California
22 McBride Rd, Slate Hill, New York
4372 I-35W S, Alvarado, Texas
Greenwood, Indiana
16 E Huron St, Pontiac, Michigan