Dimensions are in millimetres and show finished sizes. M&S floorings are machined from selected high quality Scandinavian redwood or whitewood. Either option is available for the PTG profile. The PTG 4 Sides profile is only machined from redwood. The mark of responsible forestry ™ PEFC/16-37-130 145 20 120 20 Norlida Kiln Dried PTG 4 Sides B A