Top Line Roofing Contractors provide roofing services in and around the Portland Oregon Metro areas. Our Portland roofers are experienced with both residential and commercial roofs. The owner is a Master Elite certified roofer, one of the highest classification that can be given to a roofing contractor. The work ethic and finished product is of the highest quality available. The roofing company understands if you do not need a new roof then you need to know about it. Top Line roofers are expert roof replacement professionals. The roof materials they work with are: RESIDENTIAL: Asphalt Shingles, Composition, Metal roofing, Stone-coated steel, Clay & concrete tiles, Built-up roofing, Roll roofing, Slate, Cedar, & Green roofs - COMMERCIAL: Torch Down, TPO, PVC.