As of 3 layers of modular beams or on hard surfaces where ground spikes cannot be used, the connection points of modular beams may slightly spread outward under external pressure. Prevent this with the help of this beam connector. One connector needed per connection point.
Made from sturdy, tumbled aluminum, it features convenient notches for adding a planting grid and for further building structures like a trellis, espalier trellis support, column support, or fruit and vegetable cage.
A reliable alternative is using two screw eyes at the level of the second-to-last beam layer with a firmly but lightly tensioned piece of wire in between.