Choose Grooved 1 Chamfered for a simple and modern design. Super easy to add your finishing top coat as well as keeping it clean. It's manufactured using premium moisture resistant MDF meaning imperfections such and knots, cracks and splintering are non-existent. The picture represents a skirting that is 150mm tall and 15mm thick. Note that the groove is 6mm x 6mm and starts 20mm from top of board (from where the design starts to where it finishes) and does not change regardless of the height you choose. Features a chamfered top front edge. This product is 195mm in height, 15mm in thickness and 4200mm in length. It has a primed (white) finish. It does not have a rebate (space for cables to hide behind skirting).