Description
The Dock Hardware Add-A-Stringer Joist/Support Beam Kit gives you everything needed to add an additional support beam, or “joist,” to your dock frame. By strengthening the frame, this kit improves dock rigidity, stability, and long-term durability.
Each kit is built from hot-dip galvanized steel, ensuring maximum corrosion resistance in saltwater, brackish, and freshwater environments. It includes (2) Dock Angles, (4) Washer Plates, and (8) 1/2" x 3" Galvanized Carriage Bolt Sets—all precision-engineered for secure installation.
Designed to integrate seamlessly with the Dock Hardware the Dock in a Box system, this add-a-joist kit makes it easy to extend dock sections with professional strength. Proudly made in the USA, it provides unmatched marine-grade reliability for builders who demand the best.
Item Specifics
- Adds a support beam/joist for increased dock strength
- Includes: (2) Dock Angles, (4) Washer Plates, (8) 1/2" x 3" Galvanized Carriage Bolt Sets
- Material: 1/4" Hot-dip galvanized steel for superior corrosion resistance
- Works with the Dock Hardware Dock in a Box kit
- Durability: Designed for saltwater, brackish, and freshwater use
- Made in the USA