How many layers does a traditional stucco system require? Two 14% Three 57% Not sure 28% Get Free Quotes Today! Question: How many layers does a traditional stucco system require? Top Answer (57% of 7 votes): Three. Answer: Three Explanation: Scratch, brown and finish coats Floyd Painting Drywall & Plastering LLC Get Free Quotes Today! Find Local Pros Free Traditional Stucco Installation Cost Estimates Related Questions Should Stucco be Sealed?Top answer: Yes, always Can stucco be applied over asbestos siding?Top answer: No, never Can Stucco be Applied in the Rain?Top answer: No, never Can Stucco Be Applied Over Brick?Top answer: Yes, always Are stucco homes considered energy efficient?Top answer: In some cases