If at all possible choose a schedule that will be the most convenient for your family. For example, if you have children in school, it may be easier to schedule working hours for the roofers while the kids are at school. One of the most important things about roofers Sigourney homeowners should consider is that if you schedule during rainy or winter seasons, the work may be delayed due to the weather. It is extremely difficult for roofers to install a roof or make repairs while it is raining or snowing, so even if the work has already started, there may be a day when they are unable to work, which can extend the schedule.