Adjustable Ground Stands

Mack David Buildings’ patent-pending for marina use, adjustable ground stands with quick-release bolts system requires no tools for bunker board adjustments. The ground stands are hot-dipped galvanized steel and work in fresh or saltwater conditions. They are equipped with 4×12” rough-cut, pressure treated, grade #1 boards, cut to desired lengths. They adjust from 6 5/8″ to 1′-3 5/8″ and provide up to 45,000 pounds max limit. The quick-release bolts are corrosion-resistant, UV protected, and made with military-grade, high tensile strength injection molded plastic. For more information visit

Mack David Building