Engineers and Designers
Will not leach carcinogens (like chromium and arsenic as with CCA treated wood) into the environment.
More and more jurisdictions are banning CCA treated wood in sensitive waters.
Moments of inertia can be tailored to specific loads and applications.
Protects vessels from damage in case of collision.
Tremendous strength to weight ratio.
Contractors / Builders
Piles are driven much faster than solid piles.
Driving refusal is typically deeper than solid piles, enhancing structural performance.
Can be filled with concrete or other fillers after driving.
Reduced equipment requirements
Vastly lighter than wood, concrete, or steel.
Absolutely the most attractive option available for dock pilings.
Provides a strong, lasting foundation which will lower the life cycle cost compared to traditional piling options. Your foundation needs to outlast the materials you put on it.