Exterior Work Built for Point Roberts' Marine Climate
Point Roberts sits on its own peninsula, surrounded by water on three sides, which means homes here take on weather that inland Whatcom County properties simply don't see as often. Salt-laden air off the Strait of Georgia works its way into every seam, joint, and fastener on a house. Combine that with the long, wet Pacific Northwest winter and the moss season that follows it, and you've got an exterior that's under near-constant pressure to hold its finish, resist moisture intrusion, and keep its shape. We build our siding, roofing, window, and deck work around that reality rather than around what happens to be cheapest to install.

What the Climate Actually Does to a House Out There
Salt air is corrosive to exposed metal fasteners, flashing, and trim if they aren't rated and installed correctly. It also accelerates the breakdown of lower-grade paint films, which is why so many older homes in coastal Whatcom County show chalking, fading, or peeling on the sun- and wind-exposed sides well before the rest of the house. Add in driving rain that comes in sideways off the water during winter storms, and any weak point in the water-management details — a poorly lapped seam, an unsealed penetration, a missing kick-out flashing — becomes a slow leak instead of a quick fix.
Then there's moss. Point Roberts gets the same extended damp season as the rest of the county, and shaded north-facing walls, roof valleys, and anything under tree cover stay wet longer than they should. Moss and algae don't just look bad — they hold moisture against the surface underneath them, which is exactly what you don't want happening to a wall or roof deck for months at a time.
Why We Install James Hardie and Nothing Else
This is the core of how we approach every siding job, in Point Roberts or anywhere else we work: we install James Hardie fiber cement exclusively. We don't install vinyl, LP SmartSide, Cemplank, Allura, primed spruce, or cedar. That's not a marketing position — it's a standard we hold because of what we've seen these products do (and not do) in exactly the kind of coastal, moisture-heavy environment Point Roberts sits in.
- It's non-combustible. Fiber cement doesn't feed a fire the way wood-based products can, which matters for insurance and for peace of mind.
- ColorPlus factory finish. The color is baked on in a controlled factory process rather than field-applied, which holds up far better against salt air and UV than site-painted products — fewer repaint cycles over the life of the siding.
- Climate-engineered HZ product lines. Hardie makes region-specific formulations, and we use the version engineered for the moisture and freeze-thaw patterns of our climate zone.
- Dimensional stability. Fiber cement doesn't swell, cup, or rot the way wood-based siding can when it takes on repeated wetting, which is a real advantage in a place that stays damp as long as Point Roberts does.
- A strong, transferable warranty backed by a manufacturer that's been in the fiber cement business for decades.
We'd rather turn down a job than install a product we don't think will hold up out here for the long haul. Hardie, installed to spec — correct flashing, proper clearances, factory-recommended fastening — is what we're willing to put our name on.
Roofing, Windows, and Decks — Same Standard
Siding is only part of how a house handles this climate. Roofing takes the brunt of the driving rain and is the first line of defense against moss buildup in valleys and shaded slopes. Windows are a common leak point if flashing and sealant details are cut short, especially on walls that face the water directly. And decks exposed to salt air and standing moisture need materials and fastening that won't corrode or cup within a few seasons. We handle all four — siding, roofing, windows, and decks — because they all depend on the same underlying skill: managing water before it becomes a problem, not after.
Why a Local Crew Matters Here
Point Roberts is a small, distinct community, and its exposure to wind and water isn't quite like the rest of Whatcom County. A crew that works this coastline regularly knows which walls take the worst of the weather, where moss tends to establish first, and how to detail flashing so it actually sheds water instead of trapping it. That local knowledge shows up in the details — the ones you don't see until five or ten years in, when a properly installed exterior is still doing its job and a corner-cut one isn't.
Get a Straightforward Estimate
If your siding, roof, windows, or deck are showing wear from the salt air and rain, or you're planning ahead of the next wet season, we're happy to take a look and give you an honest read on what your home needs. Reach out for a free, no-pressure estimate — we'll walk the property, explain what we see, and lay out your options in plain terms.
Birch Bay Siding