If you’re looking for marine foam blocks to build a new dock, encapsulated float blocks can help you build the ultimate floating dock easily with great results. Formex® dock floats have a lightweight EPS foam core protected by a tough, high tensile strength shell. This highly rugged shell is impermeable to water, resistant to impacts and is UV resistant. With a choice of 32 different encapsulated float blocks in-stock now from Universal Foam Products, you can put together whatever combination you need. A high-quality dock or swim platform ready to use or tow into position easily and quickly.