Flat roofs are very different from more traditional peaked or sloping roofs. In Oregon, flat roofing requires some technical considerations, because there are periods of high humidity and cold weather, which can cause condensation to form beneath the roof surface. So, hiring a roofing contractor who has knowledge of both the interior and exterior aspects of flat roofing is important. For more information, visit relianceroofpros.com/services/flat-roofing/.