Diamond Pier Footings
Diamond Pier Footings
Diamond Pier Footings use a concrete block and galvanized steel pins to distribute weight over a larger area, similar to a tree root system. This design provides strong, stable support while minimizing ground disturbance.
A jackhammer is recommended for installation, ensuring the pins are driven securely into place. Before using, check with your local building department to confirm approval for your project.
DP-50s come with 50" pins, plugs, and caps.
DP-75s come with 63" pins, plugs, and caps.
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More Details
Specifications and Documents
Load Capacities for 1500+ PSF Silts and Clays
DP-50 with 50" pins
- 3,300 pound bearing capacity
- 1,200 pound uplift capacity
- 600 pound lateral load capacity
- Equivalent to a 20" diameter concrete cylinder footing
- Frost zone resistance: 48"
DP-75 with 63" pins
- 4,200 pound bearing capacity
- 1,600 pound uplift capacity
- 600 pound lateral load capacity
- Equivalent to a 22" diameter concrete cylinder footing
- Frost zone resistance: 60"
Load Capacities for 2000+ PSF Sands and Gravels
DP-50 with 50" pins
- 4,400 pound bearing capacity
- 1,200 pound uplift capacity
- 600 pound lateral load capacity
- Equivalent to a 20" diameter concrete cylinder footing
- Frost zone resistance: 48"
DP-75 with 63" pins
- 6,400 pound bearing capacity
- 1,600 pound uplift capacity
- 600 pound lateral load capacity
- Equivalent to a 24" diameter concrete cylinder footing
- Frost zone resistance: 60"
State-Specific Compliance Documentation
If you own your jackhammer, this bit will allow you to install DP pins easily, and without damaging them. If you decide to rent a breaker/hammer, many rental places will have this bit available to use, just besure to ask!
Diamond Pier Driving Bit
Diamond Piers will need some sort of post base to secure a post or framing to the footing. We recommend this base for its stability, ease of attaching to Diamond Pier and the framing, and the ability to use it with a 6x6 or triple 2x beam without any modification.
Simpson 6x6 Post Base
Installing a Diamond Pier
Diamond Pier: How It Works
Attempting To Move a Mini 5 inch Diamond Pier
Diamond Pier Builder Training
