Anacortes Exterior Burlington doesn't get talked about as much as some of its Skagit County neighbors when people picture the wet side of Washington, but the exposure is real. This stretch of the Skagit Valley sits low enough to catch driving rain funneling in off Pacific storm systems, close enough to Skagit Bay and the broader Salish Sea to pick up salt-bearing air on a regular basis, and shaded enough on many older lots to run a moss season that lasts most of the year. Siding installed without those three conditions in mind tends to look fine for a couple of years and then start failing quietly — at seams, at fastener points, at the base of walls that never fully dry out between storms. This page covers what siding installation actually needs to get right for a Burlington home, and how a crew that already works this part of Skagit County approaches the job.
Why Burlington Is a Tougher Test for Siding Than It Looks
A house doesn't need to sit on the water to feel salt air. Wind carries it inland across the flats and low ground around Skagit Bay, and it settles on exterior surfaces the same way it does closer to the coast — just more gradually. Over years, that salt-laden moisture accelerates corrosion on exposed fasteners and speeds up the breakdown of lower-grade paint films and finishes. Combine that with wind-driven rain, which doesn't fall straight down but gets pushed sideways into wall assemblies during Pacific storm fronts, and you get a wall system that's rarely fully dry. Sustained dampness is the one condition almost every siding failure in this region has in common.
The Moss Factor
Moss and algae growth adds a third layer to the problem. North-facing walls, shaded lots, and homes tucked under mature trees around Burlington hold moisture longer than sun-exposed walls, and moss thrives in exactly that environment. Once it establishes on a wall surface, it holds water against the substrate well after a storm has passed, extending the amount of time that section of the house stays wet. On an organic siding material, that's a slow but steady invitation for rot. On fiber cement, it's mostly a cosmetic concern that periodic cleaning handles — a meaningful difference over a 20- or 30-year timeline.
What Correct Siding Installation Actually Involves
The siding product matters, but installation quality is what actually determines whether a wall stays dry. A water-resistive barrier has to be installed correctly and lapped in the right direction before the first course of siding ever goes up. Flashing at windows, doors, and any roof-to-wall transition has to be integrated into that barrier — not caulked over the top of it after the fact, which is a shortcut that looks fine on install day and fails quietly a few years later. Fastener spacing and placement need to match the manufacturer's specification for the exact product and exposure, and joints need to be treated differently depending on whether that wall faces the weather or sits in shade.
None of this is exotic. It's a checklist that a careful crew follows every time, on every wall, regardless of whether that section of the house is visible from the street. The gap between an installation that looks right and one that actually performs for decades comes down to whether those details were followed on the parts of the house nobody inspects after the crew leaves.
- Water-resistive barrier installed and lapped correctly before any siding goes up
- Flashing integrated at every window, door, and roof-wall transition — not just caulked afterward
- Starter strip and bottom clearance set correctly above grade, decks, and patios
- Fastener pattern and spacing matched to the specific product line and wall exposure
- Joint and seam treatment adjusted for sun-exposed versus shaded, moss-prone wall faces
- Factory-finished color matched cleanly at trim, corners, and any touch-up points
Why We Install Only James Hardie Fiber Cement
We install one siding product, on every job, in every part of our service area: James Hardie fiber cement. We don't offer vinyl, LP SmartSide, Cemplank, Allura, primed spruce, or cedar, and that's a deliberate professional standard rather than a limited catalog. Each of those alternatives gets something right — vinyl is inexpensive and low-maintenance in milder climates, engineered wood products go up quickly and take paint well, cedar has real natural character — but each also carries a trade-off that matters more in a climate like Burlington's than it might somewhere drier.
Vinyl can warp with temperature swings and age, and its overlapping panels and J-channels are exactly the kind of small gap that wind-driven rain works into over time. Wood-based products depend on flawless field priming and sealed cut edges to keep sustained moisture out of an organic core — a standard that's hard to hold across an entire crew, on every job, for the full service life of the siding. Cedar is genuinely attractive, but it's also organic and asks for real ongoing upkeep — refinishing, sealing, moss control — to keep performing through a valley climate that doesn't offer much of a dry stretch to recover in between storms.
Fiber cement handles the core problem differently because it isn't organic. There's no wood substrate for trapped moisture to work into, and it doesn't feed moss and mildew growth the way wood-based siding can. It's also non-combustible, which matters to some Skagit County homeowners independent of the moisture question. Paired with a factory-applied ColorPlus finish — cured under controlled conditions rather than painted on-site — it holds color and resists cracking longer than most field-applied finishes manage in a climate this consistently wet.
Matching the Right Hardie Product Line to a Burlington Home
James Hardie builds its siding in climate-specific formulations rather than one generic product sold everywhere in the country. The HZ5 engineering used across the Pacific Northwest is built around exactly the kind of sustained moisture exposure this region sees, rather than a national-average climate that assumes longer dry stretches. That distinction is part of why we standardized on this manufacturer instead of a generic fiber cement alternative — the engineering is matched to the conditions the siding will actually face.
Panel, Lap, or Shingle Profile
Hardie's product line includes traditional lap siding, vertical panel systems, and shingle-style profiles, each available in a range of ColorPlus factory finishes or as a primed substrate for field painting. The right choice depends on the home's existing architecture, HOA or neighborhood expectations where they apply, and how much of the wall surface sits in shade versus direct exposure. We walk through those options during the estimate rather than defaulting to one profile for every house.
Our Installation Process
- On-site assessment of the existing siding, sheathing condition, and any trouble spots — moss buildup, soft areas, failed caulk joints
- Removal of old siding and inspection of the sheathing underneath, with repair or replacement of any compromised sections before anything new goes up
- Installation of a correctly lapped water-resistive barrier across the entire wall surface
- Flashing integration at every window, door, and roof-to-wall transition, tied into the barrier rather than layered on top of it
- Hardie siding installation following the manufacturer's fastening and clearance specifications for the product and exposure
- Caulking and joint treatment at seams, corners, and trim, matched to each wall's sun or shade exposure
- Final cleanup and a walkthrough covering what was done and what routine upkeep looks like going forward
Comparing Siding Materials for Skagit County Conditions
| Material | Moisture/Rot Resistance | Moss & Algae Resistance | Typical Maintenance |
|---|---|---|---|
| Vinyl | Doesn't rot, but seams and panel gaps let wind-driven rain reach the wall behind it | Doesn't feed growth, but growth on the surface is harder to clean without damaging panels | Low, but panels can warp or crack with age and temperature swings |
| Cedar | Organic; depends on ongoing sealing and finish upkeep to resist moisture | Susceptible; shaded walls need periodic treatment | High — refinishing, sealing, and moss control on a recurring schedule |
| Engineered wood (e.g. LP SmartSide) | Organic core; performance depends heavily on factory treatment and flawless field sealing at every cut edge | Susceptible if moisture reaches the core | Moderate to high — cut-edge sealing and prompt repair of any damage |
| James Hardie fiber cement | Not organic; no wood substrate for moisture to work into | Doesn't feed growth; surface growth washes off without damaging the material | Low — periodic cleaning and standard exterior upkeep |
What Drives the Cost of a Burlington Siding Project
Every siding estimate is specific to the house, but a few factors consistently move the price more than homeowners expect going in.
| Factor | Why It Matters |
|---|---|
| Home size and number of stories | More wall area and taller walls both add material and labor time, and multi-story homes require additional access equipment |
| Condition of the sheathing underneath | Rot or damage found after tear-off has to be repaired before new siding goes on — this is discovered mid-project, not always visible during the initial estimate |
| Siding profile chosen | Lap, panel, and shingle-style profiles differ in material and installation labor |
| Trim and architectural detail | Corner boards, window trim, and accent detailing add labor time beyond flat wall coverage |
| Site access | Tight lots, mature landscaping, or difficult equipment access can add time to tear-off and installation |
Why Hiring a Crew That Already Works Burlington Matters
A crew that already works this stretch of Skagit County has seen how salt air, driving rain, and moss actually behave on homes here — which walls fail first, which details get missed most often, and what a proper repair looks like once a shortcut has already caused damage. That's different from a crew driving in from outside the region and applying a generic approach to a climate they don't work in regularly. It also means faster response for the estimate itself, realistic scheduling around this area's wet season, and a crew that's available if a question comes up after the job is finished rather than having moved on to a different market entirely.
Signs Your Current Siding Is Already Losing the Fight
Some warning signs are easy to miss until they've been developing for a while. Worth checking for on a Burlington home:
- Soft spots or slight give when pressing on the siding, especially near the bottom of walls or under windows
- Paint that's peeling, bubbling, or chalking well before it should, particularly on shaded or north-facing walls
- Visible warping, buckling, or gaps opening up at seams and panel joints
- Persistent moss or algae buildup that returns quickly after cleaning
- Rising heating bills that don't match any change in usage, which can point to moisture-compromised insulation behind the siding
- Cracking or staining radiating out from fastener points or trim edges
If any of that sounds familiar, or if your siding is simply old enough that you're wondering how much life it has left, we're glad to take a look. Reach out for a free, no-pressure estimate — someone who already works in Burlington will walk the house with you and tell you honestly what condition it's in.