Bellingham Exterior Why This Page Exists
We get asked about cedar siding often enough that it deserves an honest answer instead of a sales pitch. Cedar has real appeal — the grain, the warmth, the way it ages when it's cared for. We're not going to pretend otherwise. But we stopped installing cedar siding on new projects, and homeowners who are comparing materials for a Bellingham home deserve to know exactly why, in plain terms, before they sign a contract with anyone.
This isn't a takedown of cedar as a species or a material. It's a maintenance conversation, and maintenance is where cedar quietly costs homeowners the most over the life of a house.
What Cedar Siding Gets Right
Western red cedar is genuinely good material. It's naturally resistant to decay compared to most softwoods, thanks to oils in the wood itself. It's lightweight, easy to mill into clean, uniform boards, and it takes stain and paint well when properly prepped. Architecturally, it reads as a premium, natural material — a lot of the Pacific Northwest's most photographed homes are clad in it, and for good reason. If you want the actual look of real wood grain, nothing manufactured fully replicates it.
Cedar also has a long track record in this region specifically. It grows here, it's been used here for generations, and there's a strong cultural association between cedar siding and Pacific Northwest homebuilding. None of that is marketing spin — it's true.
The Maintenance Reality Nobody Puts on the Brochure
Here's the part that matters once the crew leaves and the invoice is paid: cedar siding is a maintenance commitment, not a one-time purchase. It's an organic material, and it behaves like one for as long as it's on your house.
The Refinishing Cycle
Stained or painted cedar needs to be recoated on a schedule, not "whenever it starts looking rough." Semi-transparent stains typically need reapplication every 2-4 years. Solid-body stains and paint stretch that out, but even a well-maintained paint job on cedar generally needs attention again within 5-8 years, especially on sun- and weather-exposed elevations. Skip a cycle and you're not just touching up color — you're often dealing with UV-degraded wood fiber underneath that needs to be addressed before the next coat will hold.
Joints, End Grain, and Fasteners
Cedar siding lives or dies at the details — butt joints, corner boards, and cut ends where the wood's natural protection has been sliced through. Every one of those needs to be sealed and kept sealed. Fasteners back out or rust-stain over time and need to be reset or replaced. None of this is exotic work, but it's ongoing work, and it's easy to defer until it becomes a bigger repair.
Moisture, Moss, and the Bellingham Climate
Maintenance intervals that might be reasonable in a dry inland climate get compressed here. Whatcom County doesn't give wood siding much of a break.
Driving Rain and Wind-Driven Moisture
Bellingham gets a lot of rain, and a fair share of it arrives sideways off Bellingham Bay and the Strait during winter storms. Driving rain pushes moisture into joints, fastener holes, and any hairline crack in a finish coat that a calmer climate might never test. Cedar that isn't perfectly detailed and perfectly maintained finds ways to take on water at exactly those weak points.
Salt Air on the Coast
For homes closer to the water, salt-laden air accelerates finish breakdown and corrodes fasteners faster than an inland property will ever experience. It's a slow, cumulative effect — not dramatic, just relentless — and it shortens the practical life of any coating system on cedar.
Moss Season
Whatcom County's long wet season, especially on north-facing and shaded walls under mature trees, is close to ideal moss and algae growth conditions. Once moss or algae establishes on cedar, it holds moisture against the wood surface for extended periods, which is exactly the condition that leads to soft spots, cupping, and eventual rot. Keeping cedar clean enough to avoid this is its own recurring task, separate from refinishing.
Grade Matters More Than Most Homeowners Realize
Not all cedar siding is the same product. Clear, vertical-grain cedar behaves very differently than knotty or lower-grade cedar, and the price gap between them is significant. Lower grades have more knots, more sapwood (which is far less rot-resistant than heartwood), and more variability in how they take finish and hold up over time. A lot of the "cedar looked great for five years, then fell apart" stories homeowners hear trace back to grade — either the wrong grade was used, or budget pressure pushed a project toward it. That's a real trade-off buyers should understand going in, and it's one more variable that fiber cement simply doesn't have.
The Cost Picture Over Time
Upfront material cost is only part of the comparison. What we care about — and what we think homeowners should care about — is the total cost of ownership over 20-30 years.
| Factor | Cedar Siding | James Hardie Fiber Cement |
|---|---|---|
| Refinishing interval | Every 2-8 years depending on finish type and exposure | ColorPlus factory finish typically holds 15+ years before repainting is needed |
| Moisture vulnerability | High at joints, end grain, and any finish failure | Engineered to resist moisture-driven damage when installed to spec |
| Fire resistance | Combustible | Non-combustible fiber cement |
| Moss/algae impact | Can lead to trapped moisture and rot if not cleaned regularly | Surface growth is a cosmetic cleaning issue, not a structural one |
| Warranty | Typically limited to the finish product, not the siding system | Long-term, transferable manufacturer warranty on the siding itself |
| Ongoing labor over 25 years | Multiple refinishing and repair cycles | Occasional cleaning and periodic repainting |
Cedar can come in cheaper on day one, especially at lower grades. Over two or three decades in this climate, the maintenance labor and refinishing costs tend to close that gap and often exceed it — before accounting for repairs from any deferred maintenance along the way.
Where Cedar Still Makes Sense
We're not going to tell you cedar has no place. Accent details — gable ends, entry features, shed dormers, small architectural moments where the homeowner wants real wood and is committed to maintaining it — are a reasonable use of cedar. The problem is full-house siding, where the maintenance burden scales with every square foot of exposure, and where deferred upkeep on any one section can lead to rot that spreads into sheathing and framing before it's caught.
Why We Standardized on James Hardie Instead
We made a deliberate call to install James Hardie fiber cement siding exclusively, and cedar's maintenance profile is a big part of that decision. Hardie's HZ5 product line is engineered specifically for climates like ours — freeze-thaw cycles, sustained moisture, and coastal exposure. The ColorPlus factory finish is baked on under controlled conditions, which is a more durable, more consistent result than a field-applied stain or paint job can reliably deliver, especially on a multi-day install where weather windows in Whatcom County aren't always cooperative. It's non-combustible, it carries a strong transferable warranty, and it doesn't ask a homeowner to plan their weekends around a refinishing schedule.
None of that makes cedar a bad material. It makes it a different kind of commitment — one that we don't think matches what most homeowners actually want from a siding investment: put it on once, done right, and stop thinking about it.
Questions Worth Asking Before You Choose
- How often does this siding realistically need refinishing in a climate with this much rain and humidity?
- What grade of material is actually being quoted, and how does that affect longevity?
- What does the manufacturer's warranty cover — the siding itself, or just the finish?
- Who is responsible for maintenance going forward, and what's the real annual or biannual cost of that?
- How does this material perform specifically in coastal, high-moisture, moss-prone conditions like ours?
- If moss or algae is already visible on existing siding, what's the current condition of the wood or substrate underneath it?
Let's Talk About Your Home Specifically
Every house and every elevation faces this climate a little differently depending on sun exposure, tree cover, and proximity to the water. If you're weighing cedar against other options, or your existing cedar siding is starting to show its age, we're happy to take a look and give you a straight, no-pressure assessment — including an honest read on what a Hardie installation would look like for your home. Reach out for a free estimate whenever you're ready.