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THREE TREE ROOFING / ROOFING INSIGHTS

Flat Roofing Archives

New Flat TPO Roof for Commercial Building in Tukwila, Washington - view of new roof and front of commercial building from an angle
Mar 04, 2024

What is Flat Roofing?

Quick Answer to “What is Flat Roofing?”: Flat roofing refers to roofs with a very slight incline, constructed using materials that provide a continuous waterproof membrane over a portion or the entire building. This is a Three Tree Roofing commercial roofing project in Tukwila, Washington we upgraded from an old torch-down roof to a new […]

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Three Tree Roofing Roofer demonstrating the installation of a synthetic-fabric underlayment to act as a paper barrier for the fanfold and material.
Mar 09, 2025

Roofing 101: Flat Roof Installation – WeatherBond TPO and PVC Membrane

This educational article is part of a larger series of articles, Three Tree Roofing’s “Roofing 101”. In this Roofing 101 walk-through we explore our roof installation process of a Nu Ray NRM-1000 Standing Seam Metal roof of a residential home.

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Serving Seattle and the Puget Sound

Family Run Full Service Roofing Company

We are a family run full service, certified, and licensed roofing company serving Seattle and the greater Puget Sound with pride and integrity. We have more than 15 years experience and we provide top quality roofing solutions year round.
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Testimonials

450+

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
5 1
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Call Us for a New Roof

Are you in Seattle or the surrounding area and in need of a new roof?
If yes call us:

Call: 206-312-7663(ROOF)