Alpine Exteriors
Siding · Bellingham, WA & Whatcom County

Roofing Contractors in Sedro-Woolley, WA

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25 Years in Business2,000+ Projects Completed25-Year Workmanship Warranty5-Star RatedLicensed & Insured

A Logging Town's Houses Deserve Roofs Built to Match

Sedro-Woolley was built by timber and steel, and a lot of the town still stands on that first generation of construction. Walk the blocks off Metcalf Street and you will find millworker houses and foursquares from the early 1900s, framed with old-growth lumber that today's builders can only envy. What those houses do not have, in many cases, is a roof assembly that meets this century's standards. We regularly tear off two or even three layers of old shingles on Sedro-Woolley homes, layered decade over decade because stripping to the deck felt expensive at the time. It always costs more in the end.

Alpine Exteriors does it the right way: full tear-off, deck inspection, and replacement of every soft or delaminated panel before anything new goes on. On houses this age we frequently find skip sheathing, undersized ventilation, and chimney flashing that was last touched when the mills were still running. Fixing all of it during one re-roof is dramatically cheaper than fixing it after a failure.

What we do

Alpine siding, roofing, windows & decking.

Skagit Valley Weather Writes the Spec

Sitting where the Skagit flats meet the foothills on the way up Highway 20 toward the North Cascades, Sedro-Woolley gets long, wet winters, moss-friendly shade from mature trees, and the occasional cold snap that turns trapped roof moisture into pry bars of ice. Our standard assembly answers each of those directly: synthetic underlayment over the whole deck, ice-and-water membrane at eaves, valleys, and penetrations, algae-resistant architectural shingles rated for high wind, and balanced ridge-and-soffit ventilation so the attic dries out between storms.

For homeowners on rural acreage between town and Clear Lake or out toward Lyman, we also install a lot of metal roofing. Standing-seam sheds needle debris and moss, handles the odd heavy snowfall without complaint, and pairs well with farmhouse and shop-building architecture.

How the Project Actually Runs

  • Free on-site estimate first: we get on the roof and into the attic, then give you a firm written number.
  • One to three days of work for most homes, with tarps protecting gardens, decks, and driveways throughout.
  • Photo documentation of the bare deck and every repair, so you see exactly what your money fixed.
  • Magnetic nail sweep and full haul-off before we call any job complete.

Experience You Can Check

We have been at this for 25 years, and in that time Alpine crews have completed more than 2,000 exterior projects across northwest Washington. That history matters in a town like Sedro-Woolley, where every roof seems to hide a surprise from a previous era and the crew's judgment determines whether the surprise becomes a change order or just a Tuesday. It also means our 25-year workmanship warranty is backed by a company with a track record as long as the warranty itself.

If your roof is streaking, shedding granules, or simply older than anyone in the house can remember, do not wait for a stain on the ceiling to make the decision for you. From the Loggerodeo grounds to the far side of the river, we will come take a look, tell you the truth about what you need, and put a real price on it at no cost to you.

Recent work

Craftsmanship you can see.

Free, no-pressure estimate

Ready to get started?

Tell us about your project and we'll follow up — usually the same day — to schedule a free on-site estimate anywhere in Whatcom, Skagit & Snohomish County.

(360) 543-4799

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