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Roofing Services / Commercial Roofing

Flat Roofing

Flat TPO & PVC Roofs: Durable & Flexible

Three Tree Roofing specializes in commercial roofing, including low slope roofing or flat roofing. We have dedicated low slope crews that specialize in the installation of TPO and PVC roofing. We source our flat roofing material from only the best, WeatherBond Roofing. Their TPO and PVC roofing is a long lasting, low maintenance solution with no more coatings, sealants, dangerous installs, or rusting out drains. Energy efficient, safe to install, and clean, TPO and PVC are the low slope roofing solution of today and the future. You can expect a solid 20 to 30 year lifespan from a well installed TPO or PVC roof.

A flat roof is both durable and flexible. It can be installed on sheds, roof top decks, homes, garages, and large industrial and commercial buildings. Our flat roofing systems include single-membrane systems such as TPO (thermo-polyolefin) PVC roofing as well as standing seam metal roofs… all great choices for a flat roof system.

Benefits of TPO Flat Roofing

  • Highly reflective
  • Superb UV resistance
  • Includes a full line of black and white accessories
  • Complete line of heat-weldable prefabricated accessories
  • Available with pre-applied seam tape to ensure uniform adhesive and thickness

Benefits of PVC Flat Roofing

  • Easy installation and maintenance
  • Easy to repair
  • Highly reflective for cool building environments
  • Resistant to chemicals, animal fats and many kinds of fuels
  • Resistant to long-term UV and ozone exposure

With dedicated commercial flat roofing installation crews and a well organized and consistent customer management process, Three Tree Roofing is your commercial flat roofing specialist. Our crews are factory trained and equipped with the best installation equipment and methods available for an efficient and low impact roof with one of our commercial estimators for a free estimate. Call us today or send us a message for your free estimate on a TPO or PVC Flat Roof for your commercial building in the Seattle area. We are the best Flat Roofing Seattle Roofers in the Puget Sound!

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THREE TREE ROOFING PROJECT PORTFOLIO

Commercial Flat Roofing Featured Projects

Flat Roofing

New Flat TPO Roof for Commercial Building in Tukwila, Washington

This building's roof began as a torch-down roof, a common type of flat roof in our region. As seen in the video, our team diligently tore off the old material using sponge shovels and then p

Flat Roofing

Puget Sound Elementary School Flat Roof in Tukwila, Washington

Three Tree Roofing is glad to be a part of this neat roofing project. It's always fun working on schools. The school requires compliance with various class ratings for tear resistance, wind,

Flat Roofing

New Commercial Flat TPO Roof for Condominium in Issaquah

TPO is an energy-efficient, durable and environmentally-friendly solution, making it an excellent choice for this condominium. Three Tree Roofing is one of the few certified Weatherbond inst

Flat Roofing

New Flat TPO Roof for Coyote Central in Seattle

The Coyote Central building was an older building in need of a new roof. It had several leaks and a lot of damaged wood. The old roof was torn off, we replaced the damaged wood, and some sid

Flat Roofing

New Composite Shingle/Flat TPO Roof for Seattle Church

This commercial roofing project required a combination of composition low-slope shingles, and TPO membrane. The old roof was leaking and caused wood damage to the walls. During tear off our

Flat Roofing

Large Commercial Building Gets a New Flat TPO Roof

Recently, we worked on a project with Federal Way City Hall - installing new skylights and wood-repair. This flat TPO membrane roof took 3.5 weeks to complete due in part to the careful work

Flat Roofing

New Roof for West Seattle Apartment Building

The homeowners were able to save money by recycling the old tar and gravel roofing material. The new sheeting and fascia board are durable materials that won't need replacing anytime soon, w

Metal Roofing

New Hot Metal / Flat TPO Roof for Seattle Cookhouse

This beautiful old Seattle building now has a new roof that will last. We removed the multiple roofs from before and repaired any necessary damage on the structure--and what we didn't like,

Flat Roofing

New Roof on Historic 1906 Chelsea Apartments in Redmond

Three Tree Roofing was awarded a contract to re-roof the Historic Chelsea Apartments. This complex project involved limited access, multiple existing layers of roofing material and custom st

Flat Roofing

New Large Flat TPO Roof for the Ambaum Apartments

Removed multiple layers of built up roofing on a 12,000 sq ft roof on apartment home in Burien, Washington. Repaired the damaged plywood, framing, and fascia. Installed new heat-weldable Wea

Types of Commercial Roofing

Commercial Roofing Services

Metal Roofing

Metal roofing is a great looking roof and is very easy to clean and maintain. Metal holds up the longest in any climate and offers some of the longest warranties. Metal roofing works best with solar panels as it allows for panels clips to be installed instead of holes be poked in the roofing.

Commercial Roofing Services

Flat Roofing

TPO and PVC membrane are great for both residential and commercial applications. These membranes can be installed as internal built in gutters as well. The membrane has welded seams and great warranties.

Commercial Roofing Services

Composite Roofing

Composite roofing is the most common type of roofing and holds up great to our climate. Composite roofing has several different levels and offers great warranties.

Top Rated Seattle Based Roofing Company

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Total 5-Star Reviews

We earned the CertainTeed SureStartTM Plus Award

#1 CertainTeed 5* Star Contractor in Washington

for protecting customers.

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Turned Out Perfect

Great job. Roof looks really good! Brand new gutters and a rebuilt chimney turned out perfect!
Catherine – Kent, WA
testimonial-68 ★★★★★ 5 1
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    Call: 206-312-7663(ROOF)