Glass Channel 1/2" Stainless Steel Shadow GapGlass Channel is a decorative profile featuring a 1 2" wide channel that provides a shadow gap between tile courses or other wall covering. The profile may also be used as a support channel for glass walls. The 1 2" wide channel accommodates glass walls up to a thickness of 3 8", Glass Channel features a shaped perforated anchoring leg that is secured in the bond coat beneath the tile.