15mm Grooved architrave is a contemporary and simple design made for modern homes. It's manufactured using premium moisture resistant MDF meaning imperfections such and knots, cracks and splintering are non-existent. The picture represents an architrave that is 70mm wide and 18mm thick. Note that the groove is 15mm wide x 5mm deep and starts approximately 20mm from the top of the board. This product is 70mm in width, 18mm in thickness and 3050mm in length. It has a primed (white) finish.