Seattle Flat Roofing Contractor

Flat Roof Repair, Replacement, & Maintenance in King County, Pierce County, Snohomish County, Kitsap County & Surrounding Areas

Whether you are considering a flat roofing system or have one already, our expert Seattle-area roof installers can help with any flat roof issue you may be facing. Serving Western Washington since 2006, our many years of experience make us a valuable asset when it comes to installing and maintaining your flat roof. Using only the best materials including vinyl roof membranes, we make sure our flat roof installation and repair services are always done right, so customers like you can have the peace of mind you deserve.

Get in touch with our flat roofing contractors in Seattle today at (425) 814-7313 or contact us online to receive a complimentary estimate!

Why We Choose Vinyl for Flat Roof Installation

There are two kinds of vinyl roof membranes: polyvinyl chloride or PVC and thermoplastic polyolefin or TPO. PVC and TPO sheets are made out of flexible plastic materials that are welded together to create a seamless sheet covering for your entire roof. Unlike other materials like wood, these plastic sheets can last 25 years or more with proper maintenance.

Here are some characteristics of heat-welded PVC and TPO sheet roofing:

Flexible even in cold weather
Class A fire resistant
Puncture and tear resistant
Holds up well to standing water
Chemicals and grease resistant
Available in many different colors

Our Flat Roof Installation Process

At Pro Roofing NW, we firmly believe that our experienced greater Seattle area roof replacement contractors are the best in the field. It’s not just the care we take, it’s the techniques we use. For example, one of the problems with PVC and TPO is they don’t breathe, so water vapor is unable to pass through. If the roof is simply covered with a sheet of PVC, as many other flat roof installers do, condensation will get trapped from inside the home and form leaks.

Fortunately, we are the experts when it comes to flat roof installation as well as repair. We follow strict quality and safety protocols to ensure a reliable and efficient flat roofing service.

Our installation process is as follows:

After removing your old roof, we fully remove any rotten or worn foundation and install only with strong and carefully selected material such as vinyl roof membranes
We then apply ice and water shield, which is a waterproof but breathable product, to the roof deck
We apply a separator sheet designed to absorb small quantities of moisture
We place the PVC or TPO sheeting
We ensure proper roof ventilation in order to prevent and mitigate the need for costly flat roof repairs later on

Our Western Washington roofing experts install two kinds of vents on flat roofs. One vents the attic under the roof while the other vents the separator sheet, so any water or moisture can easily pass through.

Flat Roofing FAQ

What are the Benefits of Flat Roofing?

For both residential and commercial buildings, there are significant benefits that make a flat roof well worth the choice. The main reason for many is cost savings: Installing a flat roof saves money on material and installation costs, and on heating bills every year after. As heat rises, it’s drawn to the heights of a traditional angled roof, requiring more energy to heat the inside of the building. A flat roof retains heat in the main part of the building, saving significantly on heating costs.

Another main benefit to installing a flat roof is the opportunities it presents: An apartment complex, office building, or other shared space with a flat roof may have a rooftop garden, lounge, or green roof to provide a gorgeous community space that raises the value of the properties within. A flat roof may also be essential to a business such as a hospital that requires helicopter accessibility, or a parking structure seeking to maximize available spots. While there are many benefits to installing a flat roof, there are also considerations to prevent costly problems in the future.

Are There Any Common Problems with Flat Roofing to Watch Out For?

Yes, flat roofs have their own set of common problems and challenges that you should be aware of and watch out for. Regular inspections and proactive maintenance can help prevent these issues from becoming major problems. Here are some common problems associated with flat roofing:

Water Ponding: Flat roofs are prone to water ponding or pooling, especially if the drainage system is inadequate or blocked. Prolonged standing water can lead to roof membrane deterioration and leaks.
Leaking: Leaks are a significant concern with flat roofs. They can occur due to damaged or deteriorating roofing materials, failed seams, or improperly installed flashing. Regular inspections are essential to catch leaks early.

Blistering and Bubbling: Over time, moisture can become trapped between the layers of roofing materials, leading to blistering or bubbling of the roof surface. This compromises the integrity of the roof and can lead to leaks.
Flashing Issues: Flashing, which is used to seal roof penetrations (such as vents, chimneys, and skylights), can deteriorate or become loose over time. Damaged or improperly installed flashing is a common source of leaks.
Deterioration from UV Exposure: UV radiation from the sun can cause roofing materials to break down over time, leading to cracks, loss of flexibility, and reduced lifespan.
Ice and Snow Accumulation: In cold climates, ice dams and snow accumulation on a flat roof can lead to water infiltration and damage when the snow melts and refreezes.
Punctures and Mechanical Damage: Foot traffic, dropped tools, or other mechanical damage can puncture the roofing membrane or damage the surface, leading to potential leaks.
Lack of Maintenance: Neglecting regular maintenance, including inspections and necessary repairs, can exacerbate all of the above problems and significantly reduce the lifespan of a flat roof.

How Can I Extend the Life of My Flat Roof?To address the common problems listed above and extend the life of your flat roof, it's essential to have a proactive maintenance plan in place. Regular inspections by a professional roofing contractor can help identify issues early, and timely repairs can prevent more extensive and costly damage. Additionally, keeping the roof clean and free of debris, as well as ensuring proper drainage, is crucial for flat roof maintenance.

Request a Free Estimate for Flat Roof Installation or Repair

Our company is based out of the Seattle area, but we serve other areas throughout King County, Pierce County, Snohomish County, and Kitsap County. If you are considering a flat roofing system in any of these areas, our award-winning flat roofing contractors are available. We will take the time to do your installation right.

Get in touch with our Seattle flat roofing contractors today at (425) 814-7313 or contact us online to receive a complimentary estimate!

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See what they have to say about Pro Roofing NW.

"They provided a competitive quote, everyone we met were friendly and responsive, and the quality of work was excellent. I highly recommend Pro Roofing NW to anyone looking to replace their roof and gutters."

Kristen S.

Tampa, FL

"Quick and easy to get a quote and schedule service. The crew (2 guys) arrived on time and were quick and professional. They answered all my questions and cleaned up after themselves. They did great work and was a good experience."

Darrin S.

Tampa, FL

"Would definitely recommend Pro Roofing. They had competitive pricing, great customer service, and were timely with our roof replacement. The roof looks great, and will hopefully keep our house cooler in the summer. I will update this review if things change, but so far so good!"

Paul W.

Tampa, FL

"Pro Roofing replaced our home roof this summer, and we were so pleased with the entire process. From phone contact, meeting with Ryan the rep and the staff that did all the work it was fantastic. VERY competitive pricing and excellent customer service, work and materials have us recommending them to anyone asking - one comment - Pro Roofing may want to consider putting up some signage with customers for a month after their roofs are complete - free advertising!"

K M.

Tampa, FL

"We love our new roof as well as having peace of mind that there will be no leaks and things will remain dry. A lot of our neighbors have also been getting new roofs as well, but we have noticed that your company used better quality materials. We thank you and your company for doing a quality job."

Aimee W.

Tampa, FL

"Stellar customer service and excellent work sum up our experience with Pro Roofing NW. They put in a new roof, gutters, and skylight in December, and it's lovely! A thorough quote and follow-through throughout the job meant that I could call Leslie with any questions and count on responsiveness and professionalism. I have recommended Pro Roofing to anyone who has mentioned that they need roofing services and will continue to do so. Our rep was John, and he was fantastic! Thanks!"

Ileana C.

Tampa, FL

"They constantly kept me informed on a daily basis of what was going on that day and any issues they encountered. The job they did really turned out nice and I would not hesitate to use them again or recommend them to anyone."

Ron P.

Tampa, FL

"End-to-end great service. Starting with Jessie who followed-up with samples and options, Eddie (who kept information flowing as the project progressed), and all the way to the crew on site. Project was completed on time and on budget, and our house was kept tidy all the time (so no feeling of a construction site). Quality work throughout."

Eli S.

Tampa, FL

"I hired ProRoofing to reroof five homes, one of them being my own and they did a great job. They showed up when they said they would and finished each roof in the time frame they gave me. My customers are happy with their new roofs and so am I. John, our estimator, and Leslie in the office both gave excellent service and was great at communicating with me during the entire process. I've already recommended them to several people and will be using them again."

Mark S.

Tampa, FL

"Moved into a house in Bellevue area that had the original roof which was in dire need of replacement. The entire team was great to deal with from Alex (owner), Leslie (office manager) to Jesse (sales). Price was great, and the team that did that installation was on time, worked extremely hard, didn't leave any mess and the finished product look fantastic."

Ryan E.

Tampa, FL