Obviously, if there is an unexpected emergency or needed repair, the best time would be when that happens. There are times, however, when a potential problem is noted, but it is not urgent. When there is a warning, and time to plan, roofing repairs are best done in the Fall and Spring. Coincidently, this is the best time for all roofing work, although in the Portland area, there are many other opportunities throughout the year to have it done if the weather cooperates.
Having the shingles adhere to the roof is not the problem it used to be. Extreme cold and heat used to prevent shingles from “sticking” to the roof. Heat can, however, decrease the life of the roofing. When roofing repairs are done in extreme heat, the combination of increased temperatures and foot traffic on the roof can take up to a year off of the longevity of the shingles.
There is no cut and dried answer to when repairs should be done, however, because there are so many things that factor in. Some homeowners prefer the work be done while they are on vacation from work, which is usually in the summer. Others may have repairs that need to be done before Spring or Autumn arrive. What we are giving here is a guideline, but it is not set in stone. In a perfect world, all roofing and roofing repairs would be done in April/May, and Septembe