Hello everyone, my name is Paul. I am a service provider of roofing in Calgary. Sloping roofs are the most popular residential roofing style. A sloped roof can be made of metal roofing, asphalt shingles or rubber tile systems. The materials are placed carefully so that each of the tile (asphalt, metal or rubber) is overlapped by another tile to restrict the running water that tries to get under the roof. If your house has a sloped roof, then it is advisable to contact Calgary roofing companies to provide the house with additional insulation to prevent ice and snow damage.