How Far Can Trex Overhang

Trex is a popular composite material with a maximum overhang of 102mm or around 4 inches. Between one and two inches of deck board overhang is ideal when you attach an outer fascia board, or at least 1 ¾” to 2 ¾” of overhang before installing the fascia.

Can composite decking overhang?

Just like traditional wood decking, composite decking should overhang the edge of the deck. The decking overhang creates consistency in the overall deck appearances and hides many inconsistencies between the decking and deck’s substructure.

How far can 2x6 deck boards overhang?

So, for example, a 2×6 deck board could easily extend 11/2 inches beyond the edge of the supporting joist.