DPI Premium Encapsulated Boat Dock Floats
The Gold Standard in Marine Buoyancy & Durability
Upgrade your waterfront experience with DPI Boat Dock Floats. Engineered for maximum buoyancy and long-term resilience, these floats are designed to withstand the harshest saltwater and freshwater environments. Whether you are building a new floating dock or repairing an existing slip, DPI provides the stability you can trust for years to come.
Key Features
Heavy-Duty Shell: Rotomolded from high-density polyethylene (HDPE) with UV inhibitors to prevent cracking and sun damage.
EPS Foam Filled: Each float is pressure-filled with closed-cell expanded polystyrene (EPS) foam. Even if the outer shell is punctured, the float will not sink.
Seamless Construction: One-piece rotationally molded design eliminates seams, preventing leaks and structural weak points.
Easy Installation: Featuring a wide, heavy-duty mounting flange for secure attachment to wood, aluminum, or steel dock frames.
Eco-Friendly: Encapsulated foam prevents “beading” and keeps harmful materials out of the marine ecosystem.
Technical Specifications
Why Choose DPI Floats?
DPI floats meet or exceed all Army Corps of Engineers and Hunt Absorption Test standards. Unlike hollow floats that can waterlog over time, our foam-filled technology ensures consistent freeboard height for your dock, keeping your boat and your family safe and level.
Pro Tip: When calculating your dock’s needs, remember to account for the “Dead Load” (the weight of the dock itself) and the “Live Load” (the weight of people and equipment).
Need the Hardware too? Complete your project with our heavy duty hardware kit, available for purchase here: Dock Float Hardware Kit
DPI Dock Floats
DPI dock floats are durable, high-quality floats that are ideal for new and existing dock systems. Our floats have a flat top with molded-in mounting slots for easy attachment to any dock framework; whether wood, steel, or aluminum.
They are a one-piece rotationally molded part, which eliminates seams than could result in separation and leakage.
The .150″ nominal thick shell is made of extra strong virgin polyethylene containing ultraviolet inhibitors. This tough shell helps prevent damage from the sun, salt water, fresh water, debris, oil, gas, and marine organisms. The interior of the float is filled with expanded polystyrene (EPS) foam.
Floating docks built with DPI dock floats will provide long lasting and carefree encapsulated flotation, resulting in long-range savings for recreational docks and complex marinas.
Product Highlights:
- Rugged, seamless, rotationally molded encasement
- Expanded polystyrene (EPS) foam-filled
- Molded-in mounting slots
- Strong, wall thickness of .150″ (nominal)
- Installs easily to wood, steel, or aluminum frames
- US Army Corps of Engineers approved
- Tank tested buoyancy ratings +5/-5%
- Rated for freshwater and saltwater environments
- For residential docks and commercial marinas
- 15 year limited warranty
- Made in the USA



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