Old Town Anacortes Sits Right at the Edge of the Weather
Old Town Anacortes is one of the older, more established pockets of the city, and it sits close enough to the water that the weather off the Salish Sea is a daily fact of life rather than an occasional event. Salt-laden air moves through the neighborhood constantly, driving rain comes in sideways off the Sound during fall and winter storms, and the combination of shade from mature trees and persistent marine humidity gives moss a long growing season on anything that stays damp. Siding here doesn't just have to look good — it has to hold up to a specific, cumulative kind of exposure that inland Skagit County neighborhoods simply don't deal with in the same way.
That exposure is cumulative, which is part of why siding problems in Old Town Anacortes tend to sneak up on homeowners. A siding product that performs fine for a decade in a drier, more sheltered part of the county can start showing real wear here in half that time if it wasn't built or installed with salt air and moss in mind.

Signs Your Old Town Home's Siding Is Losing the Fight
Because the damage builds slowly, it helps to know what to actually look for before a small problem becomes a sheathing or framing problem. On a walk around the exterior, watch for:
- Soft or spongy spots when you press on siding, especially near the bottom courses and around window and door trim
- Paint that's peeling, bubbling, or chalking faster than it should, particularly on north- and west-facing walls
- Persistent green or black streaking that comes back within weeks of being cleaned
- Gaps opening up at trim boards, corner boards, or seams where caulking has shrunk or failed
- Visible cupping, warping, or buckling in individual boards or panels
- Musty smell near exterior walls inside the home, which can point to moisture already working its way past the siding
Any one of these on its own might just mean it's time for maintenance. Several at once, especially on a home that's original siding or has been re-sided once already with a product not suited to this climate, usually means it's time to look at a real replacement rather than another round of patching.
Why Fiber Cement Makes Sense for This Neighborhood's Housing Stock
Old Town Anacortes has a real mix of home ages and styles — older houses with original wood siding, homes that got re-sided decades ago with whatever product was standard at the time, and newer infill construction sitting right next to them. That mix matters when it comes to siding, because a replacement project here is rarely a blank slate. There's usually existing trim, existing rooflines, and existing sheathing conditions that a crew needs to work around and, in some cases, repair before new siding goes on.
Fiber cement holds up to that kind of real-world variation better than most alternatives. It doesn't absorb moisture the way wood does, it doesn't expand and contract with humidity swings the way vinyl does, and it takes a factory finish that doesn't depend on the homeowner staying on top of a repainting schedule to keep moisture out. For a neighborhood where humidity and salt exposure are constant, that combination of dimensional stability and a durable factory finish is the practical reason it's become the standard replacement material rather than a marketing preference.
What "Engineered for This Climate" Actually Means
James Hardie builds its HZ5 product line specifically for climates with sustained moisture exposure, which fits Anacortes and the rest of Skagit County's marine zone. The fiber cement formulation is engineered to resist moisture intrusion and swelling at a level that matters when a wall is regularly hit with wind-driven rain rather than the occasional shower. The core material is also non-combustible, which isn't a marine-climate feature specifically, but it's a real advantage over wood siding and most engineered wood products regardless of location.
The factory-applied ColorPlus finish is the other half of the equation. It's baked on under controlled conditions rather than field-applied with a brush and roller, and it's formulated to resist fading and hold up to UV and salt exposure far longer than a standard field paint job. That matters directly here, because a finish that's failing prematurely is usually the first visible sign that a home's siding is losing its fight with the salt air — and it's the kind of failure that's expensive to keep chasing with repainting instead of addressing with a product built for the exposure in the first place.
What a Correct Installation Actually Involves
The product only performs as well as the install. In a climate that pushes moisture at a wall from every direction — rain, humidity, and moss growth in shaded, damp spots — the details most homeowners never see are the ones that determine whether siding lasts twenty-plus years or starts failing in five. A correct fiber cement installation includes:
- A drainage gap or rainscreen behind the siding so any moisture that does get past the surface has somewhere to go instead of sitting against the sheathing
- Proper flashing integration at every window, door, and roof-to-wall intersection, not just caulk covering the gap
- Correct fastener type, spacing, and placement per manufacturer spec, since under- or over-driven nails are one of the most common causes of early siding failure
- Field-cut edges sealed before installation, since raw cut fiber cement is more vulnerable to moisture than the factory-finished face
- Proper clearance between the bottom of the siding and grade, decks, patios, and roofing, so splash-back and standing water aren't feeding moisture into the bottom courses
- Caulking only where the manufacturer calls for it, applied with the right joint design rather than as a catch-all for gaps
None of that is visible once the job is finished, which is exactly why it's worth asking a contractor about before hiring them — not after.
How Fiber Cement Compares to Other Siding Options in This Climate
| Material | Salt Air & Moisture Resistance | Moss/Mildew Resistance | Maintenance | Typical Local Lifespan |
|---|---|---|---|---|
| James Hardie Fiber Cement | High — engineered core, factory finish | High with proper install and gap | Low — occasional wash, no repainting cycle | Multi-decade |
| Cedar / Wood Siding | Low to moderate — absorbs moisture | Low — organic material feeds growth | High — regular sealing and repainting | Shorter, highly maintenance-dependent |
| Vinyl Siding | Moderate — doesn't absorb, but seams and expansion can trap moisture | Moderate | Low, but limited repair options when damaged | Variable, prone to warping in heat/cold swings |
| Engineered Wood Siding | Low to moderate — wood-based core sensitive to sustained moisture | Low to moderate | Moderate to high | Shorter if moisture exposure is constant |
This is why fiber cement, and James Hardie's product specifically, is what we install on every job — including here in Old Town Anacortes. We don't install vinyl, cedar, primed wood siding, or other engineered wood or fiber cement brands, because the trade-offs in maintenance and moisture performance aren't ones we're willing to put behind our work in a climate this demanding.
Our Process for an Old Town Anacortes Siding Job
- Inspection. We walk the full exterior, checking siding, trim, flashing, and any accessible sheathing for existing moisture damage before quoting the job.
- Tear-off and sheathing check. Old siding comes off in sections so we can inspect the sheathing underneath and address rot or damage before anything new goes up.
- Weather-resistive barrier. We repair or replace the moisture barrier and set up the drainage gap that gives the wall assembly a way to shed water that gets past the surface.
- Trim and flashing. Corner boards, window and door flashing, and roof-to-wall transitions get installed or corrected before siding goes on, since these are the spots that fail first if rushed.
- Siding installation. Fiber cement panels or lap siding go on to manufacturer fastening spec, with cut edges sealed and proper clearance maintained at grade, decks, and rooflines.
- Caulking, touch-up, and cleanup. Joints get sealed where specified, any factory finish touch-up is completed, and the site is cleared of debris and old materials.
- Final walkthrough. We go over the finished job with the homeowner before calling it complete.
Why It Matters That We Already Work This Neighborhood
Old Town Anacortes has its own set of practical realities that don't always show up on a generic siding job. Older homes in this part of the city sometimes have framing or sheathing conditions — and occasionally older siding materials — that need to be identified and handled correctly before new siding goes on, and knowing what to expect ahead of time keeps a project from stalling mid-job. Lots and street access in some parts of the neighborhood are tighter than newer subdivisions, which affects how material staging and crew logistics get planned. And permitting through the City of Anacortes has its own process that's worth getting right the first time.
A crew that's already done this work in Old Town Anacortes isn't guessing at any of it. That familiarity translates directly into fewer surprises mid-project and a finished install that's built for the specific way this neighborhood's weather and housing stock behave — not a generic approach borrowed from a drier, more sheltered part of the county.
If you're seeing early signs of siding wear on an Old Town Anacortes home, or you're just planning ahead, we're happy to take a look and put together a straightforward, no-pressure estimate using the form below.
Anacortes Siding