The decision is up to you, it simply comes down to personal preference. As long as you keep the chicken coop clean and hygienic either roof type would work fine. Hygiene is a very important issues when it comes to your chicken coops as red mite can hide in the wood and lay eggs in the joints - using an excellent, poultry friendly disinfectant will combat this problem. We also developed our own ECO range (plastic roofs) to increase their life span.