Commercial Roofing Services

Clow Roofing has been the established roofing company of Portland and SW Washington for 80 years. From the initial walk through to final inspection, we give you the individual attention to ensure a smooth process and quality installation. Roofing commercial buildings is a large investment. Anything short of Clow's extraordinary service and quality workmanship could end up being a false economy. You will always be able to find a less expensive way to re-roof your building. What you won't find is the experience of our staff and commitment to quality, which results in the most reliable roof systems in the Pacific Northwest.

Commercial Roofing

Scheduling a commercial roofing project in an occupied building can be challenging. By modifying start times, location sequence and work days, Clow has the flexibility to make the process as fluid and seamless as possible. Your Clow representative will work with you from planning to clean up.

Clow is there to whatever extent you or your projects require. Assisting in seismic issues or organizing subs like scaffolding and dumpster contractors. From new construction to tear-off and re-roofing, Clow will exceed your expectations during your commercial roofing process.

With Clow, you will receive quality installation backed by our guarantee against any defects in workmanship. In other words, if your roof should ever leak, a section blow off in a windstorm, or the metal flashing come off, the necessary repairs will be made at no additional cost to you for a period of ten years!

Commercial Roof Types

We offer a wide variety of commercial roofs to meet the needs of your business, including:

  • Single Ply Membrane
  • Thermal Plastic Olifin (TPO)
  • Clean, reflective material with a 20 year warranty on the material
  • Certified installer of GenFlex roofing material
  • 10 year workmanship warranty on all full jobs
  • Insulation installation to meet any requirements
  • Material can be installed mechanically or fully adhered
  • Sloped insulation installation
  • Car dealerships, churches, schools, strip malls, individual commercial buildings – even dog houses
  • Walking deck options including Vulkem and TPO
  • Peel and stick adhering
  • Multiple coating options