Diy Cheap Stair Railing Ideas . You'll see that there are a few things in common with both simple and sophisticated railing designs. The rack’s main supplies are wooden dowels and cotton canvas for the bottom compartment. Diy Interior Stair Railing Ideas Diy banister, Loft railing, Home from www.pinterest.com In this curved stairway, the banister curves round to add a stylish finish to a modern stairway design. Yes, the balusters are parallel to the stair’s handrail. You need to spray it from all sides until it's completely covered.