
Same as a replacement warranty at a fraction of the cost...
Don't Re-Roof. Restore.
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Flat, low-slope & metal roofs
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Cost-effective alternative to re-roofing
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Warranties from 15-30 years of additional life!
Flow Roofing is the exclusive contractor in Oregon and Washington specializing in the restoration of flat, low-slope, and metal roofs. We use a proven technology that provides a long-lasting, cost-effective, and sustainable alternative to traditional re-roofing.
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Traditional re-roofing can be costly, wasteful, and often results in downtime for your business. Additionally, the seams created in the process can lead to future leaks.
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Fortunately, there's a better solution: our seamless roof coating is directly applied over the existing roof, allowing you to avoid the expensive and wasteful removal and replacement of the roof. This process helps prevent significant debris from ending up in landfills. Our ¼” expandable liquid membrane adjusts to the changing conditions in the Pacific Northwest, effectively sealing out water and preventing roof leaks. What's more, our process won’t disrupt your business operations, so you can continue working without interruption.
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Roof restoration is also much more affordable than re-roofing, and maintenance is easy—just reapply the seamless coating. This means you’ll never need to re-roof again. Choosing roof restoration will save you both time and money now and in the future.
With our 15-30-year renewable warranties and maintenance program, you can rest assured that your roof will last for the lifetime of your building.
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Don't re-roof—restore! Call Flow Roofing today to discover more about our sustainable roofing solutions and schedule your free consultation at 503-936-2476.
PREPARE
+ REPAIR
1. We begin with a comprehensive inspection, utilizing thermal imaging to detect any water damage within the roof structure. Any damaged materials and wet insulation are removed and replaced, and any other necessary repairs are made to the existing roof to prepare it for the next stage.
RESTORE
+ RESEAL
​​2. Once the roof is structurally sound, we apply a restorative, seamless coating. This ¼” expandable liquid membrane adapts to the changing conditions of the Pacific Northwest climate, effectively sealing out water. Each project is customized to meet your unique needs and budget.
PROTECT
+ MAINTAIN
3. Finally, we apply a protective top coat that can be reapplied in the future to renew your warranty and ensure the longevity of your roof. Our seamless, sustainable roofing system, along with our renewable warranty and maintenance program, ensures you’ll never need to re-roof again.
What are Roof Coatings?
Roof coatings, which are liquid polymers, are employed to safeguard and prolong the lifespan of a roofing system. Your building will enjoy a significant energy efficiency gain too! They are frequently utilized to avert water infiltration in situations where alternative remedies might disrupt regular business activities. Comparable to SPF roof systems, these coatings can be applied on uniquely shaped roofs and in difficult-to-access areas. This approach provides a means to revitalize your roof, delay an expensive replacement, and tackle diverse roofing issues.
How Much Does It Cost?
The roof coating cost will depend on the type of polymer you use. However, you are improving your existing roof installation instead of replacing it, bringing significant savings into your budget.
Roof Coating Process
A correctly administered commercial roof coating ensures long-lasting water resistance. However, what constitutes a "proper application"? The preparatory process involves a comprehensive roof cleaning to achieve optimal adhesion and airtight outcomes. While roof coatings can effectively seal all cracks and flaws on your roof, it's essential to eliminate any debris or dirt hindering this access. Once the roof is prepared, the chosen coating is applied through spraying or rolling methods. The drying period varies based on the specific compound formula, but as a general rule, it's advisable to wait 24 hours before walking on your roof.

Silicones
Silicone commercial roof coatings are characterized by their durability, reliability, and easy application. These premium waterproofing products offer UV, bio-growth, and fire resistance. They dry quickly and are suitable for humid environments. Silicone coatings exhibit high flexibility, adapting to your roof's expansion and contraction during temperature fluctuations.
Adhered
Adhered: Adhered commercial roof coatings are highly reflective, providing protection against UV damage and reducing energy costs. They can be applied to bitumen-based roofs and specific metal roof applications.
Fluoropolymers
Fluoropolymers: Known for their reflectivity, weather resistance, color stability, algae resistance, and tough enamel-like finish, fluoropolymer commercial roof coatings offer potential savings in energy bills and minimal maintenance costs for property owners.
Urethanes
Urethane commercial roof coatings are versatile and highly resistant to chemicals, impact, and abrasion. They prove ideal for harsh environments or manufacturing processes involving chemicals. These coatings can be applied to various surfaces, including vertical and horizontal primed concrete, steel, iron, wood, fiberglass, and polyurethane foam.
Acrylics
Acrylic roof coatings form a durable, continuous elastomeric membrane upon curing, creating a seamless, watertight seal over the entire roof, including vents, flashings, and projections. For instance, our CentiSeal product is a lightweight, self-flashing acrylic roof coating that establishes a continuous membrane, sealing seams and preventing leaks. This energy-efficient and environmentally friendly coating is highly reflective, containing no VOCs. With excellent weathering capabilities, this advanced liquid-applied system restores roofs and addresses minor issues. Some advanced acrylic coatings may also include a biocide to prevent algae and mildew growth.
