Meshes of seat consists of 2 subsets: furniture and shadow, first it is possible to recolour.
First recolor pack include 6 recolor of glass. Second recolor pack include 3 recolor of wood.
This meshes is created in original game and should work with any addons.
P.S. If you intalled THIS VERSION of work, first uninstall the old version before installing the current version. Polygon Counts
Chair: vertices 1082, faces 1308
Table: vertices 280, faces 284