Glass sink edge chip repair A custom made glass double sink in a new house was damaged after installation and suffered a deep chip to the edge that was sharp and noticeable. 1 Top view of damage. 2 View of chip from the side of the vanity unit. 3 Top view after the repair shows almost no sign of the previous damage. 4 Side view only shows a slight imperfection in the surface and is now safe to touch and almost invisible. see more repairs