How To Cover Up Stucco Walls. Stucco wall covering method choices, methods, & comparisons: Keep on top of cracks and shifts.
Keep on top of cracks and shifts.
Professional stucco contractors who have a lot of experience in how to fix hairline cracks in stucco remove dirt and dust from the stucco wall before they begin also, you may be able to cover up bigger cracks in the outside wall with micatex, provided that they've been filled up (repaired) in the past. This creates stress that can cause cracking in the base coat. If your home's exterior stucco wall develops cracks you might consider hiring a professional to make the repairs. How thick should the stack be, slightly more than the depth of the stucco, just enough to slip a piece of paper through?