The TOP DEX composite joist is one of the most important construction element in the terrace under-frame system.
The composite joists are needed to attach the terrace boards and function as a supporting frame for the terrace decking.
Composite joists significantly increase the service life of the terrace decking because of their high resistance to changing weather conditions and insects.
Width: 2 in. (Actual size - 1.96″);
Thickness: 1 in. (Actual size – 1.18″);
Length: 10 ft. (Actual size - 9.84’);