Whitewash Vanity . First, find the right table size for your space. The 30 inch traditional bathroom vanity whitewash finish, solid ash construction is striking with its solid ash construction and typical ash grain finish. Painting Oak Bathroom Vanity with Annie Sloan Chalk Paint Painted from www.pinterest.com 47.24 w x 20.47 d x 3.54 h; Using a clean rag, apply the stain with long, smooth strokes in the same direction and work the stain into the wood. If you’re looking for storage, a vanity with drawers is a great way to.