Now provide this plane with stiffeners. Profiles attached to the wall tightly and vertically take over the function of stiffeners’ ribs. They need to be installed with a step of 6 cm and use the P-shaped brackets to attach to the wall. To do this, you can use spacer or clogging dowels, and in order to attach the profile to brackets it is best to use small screws with a length of 7 mm and a diameter of 3 mm.