Middleboro Trailer Sales - These solid styrofoam blocks are 19”x12”x12” and were used to separate trailers on stacked loads. We're selling them for .50 each. They can also be used for flotation
4' X 8' Float - Boat Dock Flotation
Floating Dock Upgrade | Geofoam, Styrofoam, EPS & Polystyrene | Universal Construction Foam
Large Styrofoam Blocks for Sale in Freedom, PA - OfferUp
Dock Floats & Marine Flotation | Geofoam, Styrofoam, EPS & Polystyrene | Universal Construction Foam