Full Roof Replacement Services

Professional Durable Roof Replacement

Roofing system upgrades that protect your building and raise its value.

Your trusted roofing contractor for Commercial & Residential properties.

Local Contractor

Cost Effective

Certified Warranties

Assured Quality

Flat Roof Pros completed full flat roof replacement on modern residential home — upgraded white membrane system installed for enhanced waterproofing, energy efficiency, and curb appeal.

Our Service

Raise the Bar with a Roof That Adds Real Value

Full roof replacement offers a durable protection from weather, water damage, and structural issues. It’s a long-term investment that improves safety, performance, and value of your property.

Warranty

Up to 20 years warranty on materials and workmanship

Request a free estimate

Roof Damage and Warning Signs

What is Roof Replacement?

Replacement involves a complete tear-off of the old roofing system, inspecting the structure, and installing a new, high-quality roof. This process addresses issues beneath the surface, such as rot or structural concerns, ensuring a durable and reliable roof.

Common Causes of Roof Problems

Addressing these issues early ensures your roof stays durable and effective.

Flat roof with extensive patching, peeling, and black tar patches over a weathered surface, showing signs of material failure and poor roof installation.

Poor Work & Materials

Low-quality workmanship or materials often lead to early wear, frequent issues, and reduced roof life.

Severe water damage and mold growth inside a building, with dark stains and mold patches on OSB walls and ceilings, showing signs of long-term leaks and poor ventilation.

Water Damage

Blocked drains, open seams, or flawed workmanship can let water in, causing mold, dry rot, and structural breakdown.

"Flat roof with widespread damage, torn roofing membrane scattered across the yard, and patchwork repairs indicating wind damage and material failure.

Weather Impact

Hail and heavy winds can lift shingles, damage membranes and tear of the entire roofing system.

Old, weathered roofing surface with cracked and peeling layers, showing signs of advanced material degradation and age-related wear.

Roof Age

Roofing materials break down with age, leading to cracks and gaps that let water in and raise the risk of failure.

Signs You Need Roof Replacement

Replacing your roof at the right time can save you money and stress. Here’s what to look for:

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Condensation from poor roof ventilation.

Poor Ventilation

Improper airflow leads to moisture build up, which weakens your roof and shortens its lifespan.

Roof past the point of repairs.

Recurring Issues

Frequent leaks or installation flaws may no longer be fixable and require full replacement.

Old roof with tearing material.

Aging Roofs

Most roofs have a lifespan of 20–30 years, during which the materials gradually weaken and become less reliable.

Roof membrane peeling due to poor installation.

Unreliable Materials

Poor-quality roofing materials often can shorten your roof’s lifespan and lead to leaks, weak spots, or costly repairs.

Brittle membrane on roof.

Visible Damage

Cracks, warping, or brittle spots may indicate your roof is in damaged condition and needs a professional inspection.

Moss-infested and bowing shingle roof.

Sagging Roof Structure

A sagging or uneven roof may point to hidden structural issues that need urgent repair.

Granule loss on shingles roof.

Worn-Out Materials

Missing granules or surface wear reduce protection and signal it’s time for a closer inspection.

Mold on ceiling in attic.

Water and Mold Damage

Moisture, mold, or rot beneath the surface often means the roof is no longer reliable and needs to be replaced.

Our Service

Roof Replacement Options

At Flat Roof Pros NW, we provide expert roof replacements that upgrade your property’s strength and protection.

Residential flat roof replacement with white TPO membrane by Flat Roof Pros — energy-efficient, weather-resistant roofing installed on waterfront home with skylights and modern architecture.

Roofing Systems

Get a fresh start with a brand-new roofing system built for long-lasting protection and better performance.

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Shingled roof installed by Flat Roof Pros roofing contractor.
Shingles
PVC flat roof installed by Flat Roof Pros.
PVC Roofing
TPO membrane and shingles installed on a flat and sloped roof by Flat Roof Pros roofing contractor.
TPO Roofing

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Materials

We Partner with the Best Material Manufacturers in Our Industry

Owens Corning shingles.

Owens Corning

Shingles built to withstand local weather and provide long-lasting protection.

PVC by MuleHide.

MuleHide

TPO and PVC roofing systems offering affordable protection and strong performance.

IB PVC color samples.

IB Roofing

Durable, low-maintenance PVC systems designed for flat and low-slope roofs.

Duro-Last PVC being installed by a roofing contractor.

Duro-Last

Strong PVC roofing that resists standing water and improves energy efficiency.

Assortment of decking material color choices from Tufdek.

Tufdek

Waterproof decking material that protects outdoor spaces and improves their appearance.

You’re Just One Step Away From Your Best Roof Yet

Serving Seattle, Spokane, Tacoma, Bellevue, Kent, and cities across WA and OR.

We provide on-site inspections and honest assessments — with no pressure.

Aerial view of flat commercial roof with equipment and staging for rooftop repairs in downtown Seattle near freeway overpass – Flat Roof Pros project site
3.25.2025
Cases

No Tear-Off: Seattle Commercial Roof Crack and Anchor Fix

See how Flat Roof Pros addressed cracking seams, outdated anchors, and membrane failures on a downtown Seattle rooftop—restoring safety and waterproofing with targeted upgrades, not total replacement.

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New white PVC flat roof installation on a modern lakeside residential home, with clean seams, skylights, and edge metal detailing visible.
6.20.2024
Cases

Full Flat Roof Replacement in Lake Tapps: Drainage & Structural Fix

See how we replaced a deteriorating 25+ year-old torch-down roof in Lake Tapps with a modern, insulated PVC system—eliminating water issues and extending performance with a 20-year warranty.

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Aerial view of newly installed asphalt shingle roof on a residential home, featuring clean valleys, ridge lines, and improved ventilation components.
7.3.2024
Cases

Plywood Missing: Seattle Roof Replacement From the Deck Up

What started as a standard shingle replacement turned into a structural rescue. Missing plywood, exposed fiberglass, and weather threats were all resolved with a full Owens Corning re-roof by Flat Roof Pros—backed by warranties and peace of mind.

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Aerial view of multi-building apartment complex with new white flat roofing systems and surrounding asphalt shingle roofs, showing completed commercial roof restoration project.
5.5.2025
Cases

Roofing Repairs for Every Structure: 30+ Custom Fixes in Pacific Northwest

Discover how Flat Roof Pros restored 30+ roofs across a multi-building residential complex with tailored solutions: silicone restorations, shingle replacements, and ongoing maintenance—all backed by long-term warranties and fewer tenant complaints.

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Aerial view of a large multi-family residential building with newly installed white flat roof and rooftop patios, located in an urban neighborhood with surrounding apartment complexes.
5.28.2020
Cases

Silicone Over Tear-Off: How We Revived a Rotting Multi-Family Roof in Seattle

When management at a Seattle multi-unit building began facing recurring leaks, dry rot, and pooling water on their aging flat roof, it became clear that minor repairs were no longer a viable solution. The existing system was well beyond its expected lifespan, and a long-term waterproofing solutio...

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Choosing the Right Service

Roof Replacement vs. Roof Repair: Which Do You Need?

When dealing with roof problems, the decision between repair and replacement depends on the severity and scope of the damage.

Flat Roof Pros completed shingle roof replacement on multi-family apartment building — upgraded asphalt roofing installed for improved weather protection, tenant safety, and long-term performance.

Roof Replacement Benefits

What It Is: Completely removing and installing a new roof to fix ongoing problems and prevent future issues.

When to Use It: Best for roofs with extensive damage or when repairs no longer provide lasting results.

Why It Helps: Offers long-term durability, backed by warranties, and increases your home’s value and efficiency.

Flat Roof Pros completing commercial high-rise roof repairs in downtown Seattle — crew addressing critical membrane damage, HVAC penetrations, and safety anchor points on multi-story building.

Roof Repair Benefits

What It Is: Fixing specific problems like leaks or damaged spots without replacing the whole roof.

When to Use It: Perfect for short-term solutions that keep your roof working until a full replacement is needed.

Why It Helps: Quick, affordable repairs that stop damage and save you money in the short run.

Emergency Stop Leak Services

Our 24/7 emergency team acts fast to protect your roof from unexpected leaks:

• Arrival within 4 hours after signing the ESL contract
• Temporary tarping to prevent further water damage
• Quick repairs to secure your roof while planning for long-term solutions

Aerial view of flat-roof home after windstorm—roofing membrane ripped off, debris on lawn, Flat Roof Pros truck on site.

Why Choose Us?

Why Choose Flat Roof Pros, Inc for Roof Replacement?

Tailored Solutions

We find the root of the problem and offer repair options that fit your goals and your budget.

Certified Experts

Our crews are certified by leading manufacturers, ensuring every repair meets industry standards.

Premium Materials

We use high-quality materials that improve durability and long-term performance.

Smooth Coordination

We work closely with your other contractors to keep everything on track and hassle-free.

Warranty Protection

Our installations come with material and workmanship warranties that ensure quality and peace of mind.

Fast Project Completion

We stick to your schedule and keep things on track — without cutting corners or compromising quality.

Year-Round Service

‍From summer heat to winter storms, our team is trained and equipped to handle roofing work year-round.

Clear Communication

Our Customer Project Portal gives you easy access to real-time updates and detailed progress.

FAQ

Frequently Asked Questions

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Are estimates free?

Yes! We provide free estimates to evaluate your roofing needs. Please note, trip charges may apply depending on the location.

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Do you work with general contractors?

Yes! We collaborate with a network of trusted vendors and can manage the roofing process for you. Whether it’s a new build, renovation, or repair, we make sure the project runs smoothly and efficiently.

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Do you only work with flat roofs?

Flat roofs are our specialty, but we work with all types—flat, low-slope, and pitched. No matter the roof, you’ll get the same expert care and quality.

As we like to say: all roofs are flat, it just depends on the angle you’re looking from.

→ View all our services

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What should I expect when working with Flat Roof Pros?

You can expect clear communication, timely completion, and high-quality work from start to finish. We’re professional, easy to work with, and committed to getting the job done right—on time, on budget, and with your peace of mind at the center of it all.

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What material is best for my roof?

The right roofing material depends on your roof’s pitch, your budget, local climate, and how long you want it to last.

For Low-Pitched Roofs

  • Silicone: Great for waterproofing and UV protection. Extends the life of existing roofs.
  • TPO (Thermoplastic Polyolefin): Lightweight, energy-efficient, and resistant to tears and chemicals.
  • PVC (Polyvinyl Chloride): Durable, fire- and chemical-resistant, and highly energy efficient.
  • Torch-Down: A strong, waterproof system using layers of modified bitumen applied with heat.

For Roofs with 3/12 Pitch or Higher

  • Asphalt Shingles: Affordable, flexible, and available in many styles and colors.
  • Metal Roofing: Durable, modern, and energy efficient.
  • Tile or Shake Roofing: Heavy, stylish and long-lasting, with a variety of textures and finishes.

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How long are your workmanship and manufacturer warranties?

TPO/PVC Roofing
  • Up to 20-year material warranty
  • Up to 20-year workmanship warranty

Shingle Roofing
  • 40-year to lifetime material warranty
  • Up to 10-year workmanship warranty

Material warranty extensions available for an additional charge.‍

Silicone Restoration
  • Up to 25-year material warranty
  • Up to 20-year workmanship warranty

You’re Just One Step Away From Your Best Roof Yet

Tell us about your roofing needs, and let’s get started!

Get Your Free Estimate

Service Area and Near You

We Offer Roof Repair Services Across:

Algona, WA

Longview, WA

Fall City, WA

SeaTac, WA

Aloha, OR

Lynnwood, WA

Ferndale, WA

Seattle, WA

Amboy, WA

Mercer Island, WA

Fircrest, WA

Shelton, WA

Arlington, WA

Millwood, WA

Friday Harbor, WA

Shoreline, WA

Auburn, WA

Newcastle, WA

Gig Harbor, WA

Silverdale, WA

Belfair, WA

Normandy Park, WA

Graham, WA

Spokane, WA

Bellevue, WA

Olympia, WA

Gresham, OR

Spokane Valley, WA

Bellingham, WA

Issaquah, WA

Steilacoom, WA

Bremerton, WA

Otis Orchards, WA

Kenmore, WA

Sumner, WA

Buckley, WA

Port Ludlow, WA

Kent, WA

Tacoma, WA

Burien, WA

Port Orchard, WA

Kingston, WA

Tukwila, WA

Chewelah, WA

Kirkland, WA

Portland, OR

University Place, WA

Clyde Hill, WA

Poulsbo, WA

Lacey, WA

Colville, WA

Pullman, WA

Lake Forest Park, WA

Vancouver, WA

Covington, WA

Puyallup, WA

Lake Oswego, OR

Walla Walla, WA

Des Moines, WA

Redmond, WA

Lake Tapps, WA

Woodinville, WA

Duvall, WA

Renton, WA

Lakewood, WA

Woolley (Sedro-Woolley), WA

Edmonds, WA

Richland, WA

Langley, WA

Yelm, WA

Enumclaw, WA

Rosalia, WA

Everett, WA

Fairfield, WA

Sammamish, WA

Our Locations

We’re ready to help – Give us a call!

855-771-0111

Head Office

Seattle, Washington

3420 C St NE, Unit 403

Auburn, WA 98002

Eastern Washington Office

Spokane, Washington

601 W 1st Ave, Suite 1400

Spokane, WA 99201

Oregon Office

Portland, Oregon

650 NE Holladay St, Ste 1600

Portland, OR 97232