Metal Roofing · Friday Harbor, WA · San Juan County
Moss is the death of asphalt shingles in Friday Harbor's shade — metal sheds it along with the rain. We install standing seam and metal panel systems, coordinated with your siding so the flashing details actually line up. Metal only: we don't chase shingle work.
Free on-site estimate — panel profiles and finishes compared for your roof, measured in person.
Friday Harbor roofs fight two enemies: moss and salt. The town's shaded uphill streets grow moss on asphalt shingles fast enough to halve their service life, and a roof on a harbor town breathes marine air every day of the year — standard fasteners corrode long before panels wear out. Metal answers both, with a smooth surface moss can't root in and coastal-rated coatings and hardware specced for salt from the start.
The install is where a 50-year roof is won or lost: underlayment lapped for rain that arrives sideways off the harbor, valleys and penetrations flashed in matching metal, and panels allowed to expand and contract through the freeze-thaw swings without stressing a single fastener. On the island, that starts with logistics — the supplier delivers the full panel order to your site by ferry before the crew's start day.
We're an exterior contractor first — when the roof and siding are planned together, the wall-to-roof flashing details integrate instead of colliding, and one crew owns the whole envelope. To be direct about scope: we install metal roofing only — no asphalt shingle roofs.
The premium system: vertical panels with concealed fasteners locked at raised seams, so no screw head ever faces the weather — the detail that matters most where salt air corrodes every exposed fastener in town. On Friday Harbor homes it's the configuration we recommend for full replacements: clean lines that sit comfortably above a historic harbor town, and nothing for water or salt to find as the roof ages.
Exposed-fastener panels remain an honest budget option for outbuildings and low-visibility roofs — we quote both and tell you where each belongs.
Sometimes, honestly, yes. Code allows metal over a single existing shingle layer when the deck underneath is sound, and it saves tear-off cost and landfill weight. The catch is the word sound — over moss-damaged shingles hiding soft decking, an overlay locks the problem in.
We probe the deck at your estimate and quote overlay and tear-off as separate line items where overlay is viable — the decision is yours, made with the facts on the table.
No good-better-best games — every project gets the full scope, spelled out line by line in your bid.
If our installation fails, we come back and make it right. The warranty terms are spelled out in your bid — ask us for the current details.
A free estimate at your Friday Harbor home — profiles and finishes compared, overlay vs. tear-off answered with the deck probed.















