I built a pair of oak doors from sawmill boards, tongue and groove with splines, stained, varnished and they are gorgeous. and this track did the rest.Easy to install but it taxed my brain a bit as level is critical. The rail splice is undetectable, but it took me a couple adjustments. Luckily there is a bit of slop between bolt size and hole in track size. I placed 14 feet of 1x6 oak as a header board and then used a laser to set the drill points.Lucky, because the spec house slab had a slight See full review