Top Line Roofing Contractors provide roofing services in and around the Portland Oregon Metro areas. Top Line is 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: COMMERCIAL: Torch Down, TPO, PVC. RESIDENTIAL: Asphalt Shingles, Composition, Metal roofing, Built-up roofing, Roll roofing, Slate, Cedar, Green roofs.