Along with the fascia and soffit, the eavestrough works hard as an element of a premium roof to protect the outer perimeter of your roof from rain and water runoff. If your current home does not have an eavestrough system or you need to install eavestrough because what you have is in bad shape, you should know a bit about the process. Most people trust professionals for installation to ensure the implements are properly installed. However, if you are wondering how to install an eavestrough, there are a few basic things to know.