Double Drill Pier System

For two story residential homes or heavier commercial buildings, double drill concrete piers are 8” in diameter formed by drilling two shafts at a predetermined specified angle, this system works well at most areas because the reversed v angle creates maximum upward support.
Pros
1. Can guarantee greater depth than pressed pilings.
2. Less lateral movement
3. Less structural stress
Cons
1. Waiting time of 5-7 days for concrete to cure after pouring.
2. Larger amounts of soil must be removed.
3. For Double Drill concrete piers pricing is higher.