How is board and batten siding actually installed — is it just boards with strips nailed over the seams?

Correctly done, it's a full wall assembly: weather-resistive barrier, often a drainage gap, flashed butt joints, then the vertical boards and battens fastened per the manufacturer's schedule. Skipping the barrier or drainage layer and just nailing boards and battens to bare sheathing is a shortcut that causes moisture problems within a few years.

How do I check that a siding contractor bidding on my South Hill home is actually qualified?

Ask for James Hardie installer credentials, ask specifically how they'll flash butt joints and handle drainage behind the battens, and ask for a written scope that names the exact product line and fastening schedule. A contractor who can't speak to those specifics on a style with this many seams is a red flag regardless of price.

Why do you only install James Hardie and not other fiber cement brands?

We standardized on Hardie because of its ColorPlus factory finish, its HZ5 product engineering for Pacific Northwest coastal conditions, and its transferable warranty structure. Other fiber cement brands exist and have their own merits, but we've chosen to specialize in one system so we can install and warranty it correctly rather than stock and learn several.

What's the difference between Hardie's board and batten options and a regular lap siding job?

Board and batten uses vertical panels or boards with battens covering the seams, giving a different look and a different water-management challenge than horizontal lap siding, which sheds water more directly by design. Hardie makes both smooth and textured options suited to board and batten profiles, and the fastening and flashing details differ from lap installations accordingly.

Does South Hill's elevation actually change how siding performs compared to lower parts of Bellingham?

Yes — homes higher on the hill tend to see more direct wind and wind-driven rain than sheltered, lower-lying lots, which pushes water into seams and joints harder. That's part of why we treat flashing and drainage detailing as non-negotiable on board and batten jobs up here rather than using a one-size approach across the whole city.

South Hill Board & Batten Siding | Bellingham Crew

Board & Batten Siding on South Hill: What the Climate Actually Demands

South Hill sits up out of the flats of Bellingham, which means it catches wind and wind-driven rain that lower-lying neighborhoods are partially sheltered from. Add in Whatcom County's marine layer, salt-laden air off Bellingham Bay, and a moss season that can run eight months of the year on shaded, north-facing walls, and you have a set of conditions that punishes the wrong siding choice fast. Board and batten is a popular look on the hill's older character homes and newer builds alike, but the look only holds up if the material and the install both respect what this specific microclimate does to a house.

We're a Bellingham-based crew, and South Hill is a neighborhood we're in regularly. That matters here more than it does with a lot of other exterior work, because board and batten depends on details — flashing at the battens, gaps for movement, fastening schedule — that are easy to get wrong once and expensive to fix later.

Why Board & Batten Is a Good Fit for South Hill — With Caveats

Board and batten reads well against South Hill's mix of craftsman-era homes and newer construction. The vertical lines suit both a traditional and a more modern exterior, and it pairs cleanly with stone or masonry accents that show up on the hill's larger lots. That's the upside.

The caveat: board and batten has more linear feet of seams and butt joints per square foot of wall than lap siding does. Every batten strip is a place where water can be pushed by wind-driven rain, and every horizontal butt joint is a place where it can collect if it isn't flashed correctly. On an exposed South Hill elevation, that adds up. This isn't a reason to avoid the style — it's a reason to be precise about the substrate and the install.

Where It Performs Best

Gable ends and upper-story accent walls that get less direct wetting than ground-level walls
South- and west-facing elevations that dry out between rain events (versus permanently shaded north walls, where moss and mildew pressure is highest)
Homes with decent roof overhangs that already keep the wall assembly drier
Mixed-material exteriors where board and batten is an accent rather than the only cladding

Why We Only Install James Hardie for This Application

Board and batten is available in wood, engineered wood, vinyl, and fiber cement. We install James Hardie fiber cement exclusively, and on a style with this many seams, the reasoning is more pronounced than on plain lap siding.

Wood and primed spruce board and batten look right at first, but they're end-grain and edge-grain intensive by design — every batten has exposed edges, and every edge is where moisture gets in first. On a hill that sees this much driving rain and prolonged dampness, that means more frequent repainting, more caulk maintenance, and a real risk of rot at the battens within a handful of years if upkeep slips even once.

Vinyl board and batten is low-maintenance in the sense that it doesn't rot, but it's a thin, flexible material that telegraphs waviness on long vertical runs, and it wasn't built to handle the batten-and-groove detailing that gives the style its crisp shadow lines. It also doesn't take the deep, dark accent colors that make board and batten pop — those colors absorb heat and can warp vinyl over time.

James Hardie's fiber cement holds a factory-applied ColorPlus finish that doesn't rely on field-applied paint sealing every batten edge, it's non-combustible, and it's engineered specifically for this climate under the HZ5 product line. It holds a straight line on long vertical runs, takes deep colors without the heat-warp risk, and comes with a strong transferable warranty that follows the house, not just the original owner. For a style that lives or dies on crisp lines and sealed seams, that's the material we're willing to put our name behind.

What a Correct Board & Batten Install Involves

The board and batten look can be achieved a few different ways with Hardie products, and the method matters as much as the material.

The System, Not Just the Boards

Weather-resistive barrier installed and lapped correctly behind the whole assembly — this is the actual water management layer, and the siding is a second line of defense, not the first
Vertical furring or a rainscreen gap in many applications, so water that does get behind the battens has somewhere to drain and dry rather than sitting against the sheathing
Flashing at every horizontal butt joint and at all penetrations — hose bibs, light fixtures, vents — sealed before the boards go on top
Correct fastener spacing and type per Hardie's published fastening schedule for the specific product line and exposure
Expansion gaps at trim and adjacent materials, caulked with a product rated for the movement fiber cement actually goes through in this climate

Skipping the rainscreen gap or the butt-joint flashing is the single most common corner cut we see on board and batten jobs, because it doesn't show up as a problem for a year or two. On an exposed South Hill wall, it shows up eventually — usually as staining, then as soft spots at the base of battens.

Moss, Salt Air, and Long-Term Maintenance on the Hill

Two climate factors specific to this area deserve their own mention because they affect board and batten differently than they affect flat lap siding.

Moss and Algae

Shaded battens on north-facing walls stay damp longer than the field of a flat wall would, because the vertical strips create micro-shadows and slow airflow right at the surface. Hardie's factory finish resists this better than raw wood, but no siding is moss-proof. An annual soft wash (not pressure washing, which can drive water behind the battens) keeps growth from taking hold in the grooves.

Salt Air

Bellingham Bay's salt air is corrosive to fasteners and metal flashing over time. We spec corrosion-resistant fasteners and flashing on every board and batten job here, not just the ones closest to the water — South Hill's elevation doesn't fully shield it from salt-laden wind.

Factor	Why It Matters on South Hill	How We Address It
Wind-driven rain	Elevation and exposure push water harder into seams than on sheltered lots	Rainscreen detailing, flashed butt joints
Moss/algae	Shaded battens hold moisture longer, especially north walls	ColorPlus factory finish, drainage gap, homeowner soft-wash guidance
Salt air	Accelerates fastener and flashing corrosion	Corrosion-resistant fasteners and flashing on every job
Temperature swings	Coastal freeze-thaw and seasonal humidity shifts cause material movement	Correct expansion gaps, rated caulk, HZ5-engineered board

Cost Factors for South Hill Board & Batten Projects

We won't quote a number without seeing the house, but the real cost drivers on this style are consistent from job to job:

Wall height and complexity — gables, dormers, and multiple roof lines add cutting and flashing time
Whether the substrate needs repair before siding goes on (a common finding once old siding comes off a hillside home)
Batten spacing and reveal width — tighter spacing means more material and more fastening
Access — steep South Hill lots sometimes need staging or lift work that flatter lots don't
Whether board and batten is full-coverage or an accent alongside another Hardie profile

Our Process on South Hill Jobs

On-site walkthrough — we look at exposure, existing siding condition, and any moisture damage before quoting anything
Substrate check once old siding is off — sheathing and framing get repaired before anything new goes up, never covered over
Weather barrier and drainage plane installation — the part of the job that's invisible once it's done, and the part that determines whether the siding lasts
Hardie board and batten installation to manufacturer fastening and flashing specs
Final detailing — trim, caulking at expansion joints, and a walk-through with the homeowner

Because we're already working in Bellingham and on South Hill regularly, we know which elevations on this hill tend to take the worst weather and we plan the flashing and drainage detailing accordingly rather than treating every wall the same.

What to Ask Any Contractor Bidding This Job

What weather-resistive barrier and drainage approach are you using behind the battens?
How are horizontal butt joints flashed?
What fastener type and spacing schedule are you following, and is it rated for this exposure?
Is the manufacturer's installation instruction being followed to the letter, or adapted?
What does the warranty cover, and does it transfer if the home is sold?

If a bid can't answer the first two questions specifically, the flashing and drainage detail is probably being treated as an afterthought — and on an exposed South Hill wall, that's exactly the detail that fails first.

If you're weighing board and batten for a home on South Hill, we're happy to come take a look, walk the exterior with you, and put together a straightforward, no-pressure estimate — just fill out the form below.