Protect your roof with a rainwater diversion system as it is one the most important component of your biggest investment – your home. It catches the rainwater that runs off your roofing system, preventing your home from suffering from water damage as a result. However, when you’re installing these rainwater diversion systems around your roof, you need to pick the right size. Otherwise, they will just overflow and cause water damage anyway. But how exactly do you choose the right size for your home?