The Sean Kerr Project
When Sean Kerr invited Armadas Exterior to his Happy Valley home in April 2025, the project began as a straightforward conversation about replacing an aging roof. During the initial inspection, one detail immediately stood out: the home already had low-profile O’Hagin Wildland-Urban Interface (WUI) roof vents.
Most homeowners never have a reason to think about the difference between a standard attic vent and a vent designed to help resist ember intrusion. Sean did not realize what the existing vents were or why they had been used, so the estimate became an opportunity to explain how roof ventilation, wildfire home-hardening practices, and the roofing system all work together.
The final project included a complete roof replacement, replacement of the existing skylights with solar-powered VELUX venting skylights, a new O’Hagin WUI-oriented ventilation layout, and new seamless 6K gutters and downspouts. It also became a good example of something we believe matters just as much as the installation itself: returning when a customer has a question after the job is complete.
Project Snapshot
Location: Happy Valley, Oregon
Client: Sean Kerr and Niki Doyon
Initial Consultation: April 1, 2025
Roof Installation: May 19–20, 2025
Gutter Installation: May 21, 2025
Services: Roof replacement, O’Hagin WUI-oriented attic ventilation, VELUX skylight replacement, seamless 6K gutters and downspouts
Follow-Up Service: Gutter inspection, roof-detail inspection, and later VELUX remote reprogramming
A Roof Vent Most Homeowners Never Notice
One of the first things Lloyd noticed during the first inspection was that this was not a roof using ordinary box vents. The existing roof incorporated O’Hagin low-profile ventilation associated with Wildland-Urban Interface applications.
WUI-oriented roof vents are designed to maintain attic airflow while adding protection against wind-driven embers. That distinction matters in wildfire-prone areas because attic and roof openings can become vulnerable points when embers are carried ahead of a fire.
Oregon’s wildfire home-hardening requirements have changed since this project was completed. Current Oregon Building Codes Division guidance allows wildfire-resistant construction standards under ORSC Section R327 where they have been adopted locally, and the state also recognizes ember-resistant ventilation as a voluntary home-hardening measure for existing homes. The important part for this project was simple: Sean’s roof already had a specialized ventilation strategy, so we did not treat those vents as interchangeable with ordinary roof vents.
Before installing the new system, Armadas used the O’Hagin ventilation calculator to determine the required ventilation based on the attic area and the applicable ventilation formula. O’Hagin’s calculator accounts for attic square footage, code-compliance method, and the net free ventilation area provided by the selected vent.
That calculation allowed the new roof to retain the intended ventilation approach instead of simply replacing what was there by appearance alone.
Lloyd’s Field Note
“Roof ventilation is one of those details homeowners rarely see until somebody explains it. If a roof already has a specialized ventilation system, our job is not to replace vents one-for-one and hope for the best. We need to understand why the system was designed that way, calculate the required ventilation, and make sure the new roof still performs as a system.”
— Lloyd Anderson, Founder, Armadas Exterior
Replacing the Roof in Two Days
The roofing crew began work on May 19, 2025. By May 20, the roof replacement was complete.
The work included removing the existing roofing, installing the new roofing system, integrating the calculated O’Hagin ventilation layout, and coordinating the skylight replacements so the new roof and skylight flashing could be installed together rather than treated as separate projects later.
Replacing skylights during a reroof is often the most practical time to do it because the surrounding shingles and flashing are already being removed. That gives the installer direct access to properly integrate the new skylight and flashing into the roofing system.
Why Sean Chose Solar-Powered VELUX Skylights
Sean’s existing skylights were replaced as part of the reroof, but the replacement did more than simply swap old units for new ones. After discussing the available options, Sean chose solar-powered venting VELUX skylights with solar-powered shades.
The venting skylights can be opened remotely to introduce fresh air, while an integrated rain sensor closes the skylight automatically when rain is detected. The solar-powered shades allow the amount of daylight entering the room to be adjusted without running new electrical wiring.
Armadas is a VELUX-certified installer, and we installed the skylights using the appropriate VELUX flashing system. VELUX requires its flashing system for qualifying installations under its 10-year No Leak installation warranty. Homeowners comparing repair and replacement options can learn more on our skylight repair and replacement page.
A Complication With the Tax-Credit Advertising
There was one part of the skylight experience that disappointed Sean, although it was not related to the installation or the performance of the skylights themselves.
At the time of the project, VELUX was promoting certain solar-powered skylight products in connection with a potential 30% federal Residential Clean Energy Credit. After Sean’s installation, VELUX changed its guidance. The manufacturer now states that it is unable to certify that solar-powered skylights, accessories, or related installation costs qualify under Section 25D and has stopped promoting that tax provision as a consumer incentive. VELUX’s current statement is available on its federal tax credit information page.
Sean understandably was not pleased with that change in the manufacturer’s tax-credit guidance. Importantly, however, his opinion of the skylights themselves did not change. He remained extremely happy with their operation, the solar shades, the ability to vent the home, and the overall installation.
We include that part of the story because a real project is not always a perfectly scripted marketing story. Our responsibility is to be candid about what happened, what was within Armadas’ control, and what changed at the manufacturer level after the installation.
New Seamless 6K Gutters and Downspouts
With the roof complete, Armadas returned on May 21 to install new seamless 6K gutters and downspouts.
Completing the gutters immediately after the reroof allowed the drainage system to be fitted to the finished roofline and gave the home a completed exterior water-management system. The 6-inch K-style gutters provide additional carrying capacity compared with smaller residential gutter profiles while maintaining the familiar K-style appearance.
The Job Was Finished. The Relationship Wasn’t.
Sean pays attention to details, and we appreciate customers who tell us when something does not look right to them.
On July 9, Sean contacted Armadas about a visual gap he noticed at the bottom of a gutter miter. We returned to inspect and address the concern rather than asking him to live with something that bothered him.
On July 21, Sean called again after noticing a small white object protruding from beneath one of the shingles near the new roof vents. From the ground, it was difficult to know whether the material was part of the roofing system or something that needed attention.
We returned and inspected it. The mystery turned out to be harmless: a small piece of the plastic packaging used to wrap the shingles had become caught beneath the edge of a shingle during installation.
The follow-up continued well beyond 2025. In 2026, after the battery in Sean’s skylight remote died and the remote stopped communicating with the skylight, Lloyd returned again and helped reprogram the system.
None of those return trips was a dramatic roofing repair. That is exactly why they matter. A customer should not have to wonder whether a contractor will still answer the phone once the final invoice has been paid.
What Sean and Niki Said About the Project
“What can I say other than WOW! Armadas put a new roof, gutters and skylight on my house last week… I am so happy with the job they did… they definitely take pride in their work as well as the cleanup afterwards. Keep up the great work!!”
— Happy Valley homeowner, Google review, May 27, 2025
Sean specifically called out the solar skylights, their shades and venting features, the speed of the roof and gutter installations, and the cleanup after the project.
“We recently had Armada’s Exterior replace our roof and skylights, and the entire process was handled very professionally. They took the time to hear exactly what we wanted. Their team was friendly, fast, and highly efficient. I strongly recommend them to anyone in need of exterior services.”
— Niki Doyon
What This Happy Valley Project Shows
From the street, the finished result is simply a clean new roof, new skylights, and new gutters. The more important story is in the details that are easy to miss.
- Recognizing that the existing roof used a specialized WUI-oriented ventilation system rather than ordinary roof vents.
- Using the manufacturer’s ventilation calculator instead of guessing at vent quantity and placement.
- Replacing skylights during the reroof so the new units and flashing could be properly integrated into the roofing system.
- Offering solar-powered venting skylights and shades that gave the homeowners functionality they did not have before.
- Installing new seamless 6K gutters immediately after the roof was completed.
- Returning when the homeowner noticed small concerns after installation.
- Continuing to support the skylight system well after the original construction work was finished.
That is the type of project experience we want homeowners to have with Armadas Exterior: not simply a new exterior product, but a contractor who understands how the pieces work together and remains available after the installation.
Planning a Roof or Skylight Project in Happy Valley?
If you are considering a roof replacement in Happy Valley, Clackamas County, or the Portland metro area, Armadas Exterior can evaluate the entire roof system—including roofing materials, ventilation, skylights, flashing, gutters, and drainage rather than treating each component in isolation.
Learn more about our roofing services, skylight repair and replacement, and seamless gutter systems, or visit our Happy Valley service area page.
Contact Armadas Exterior to schedule an exterior evaluation or request an estimate.