Patriot Docks 4 x 8 Aluminum Dock Frame Assembly 10800 The aluminum dock frame assembly by Patriot Docks measures 4-ft. x 8-ft. x 1 -t. The structure bolts together to form a sturdy, lightweight, truss support system. It is additionally possible to combine multiple frames to achieve your desired length and configuration, then to add an end rail 10803 to finish the last dock sections. Features Minimum support span is 16 feet. Assembly hardware included. Measures 48x 96 x 13. Weighs approx. 45 lbs