James Hardie Siding Installation in the Bay Area

Bay Area homes face coastal fog, inland sun and, on many parcels, wildfire exposure. James Hardie fiber cement handles all three because it does not burn, rot or soften.

We install James Hardie fiber cementNoncombustible claddingLarkspur, Marin County(415) 619-5167

Bay Area Siding Company installs James Hardie siding on homes across the SF Bay Area, from shingle-style houses in Marin to mid-century tract homes in the East Bay and South Bay. Below you'll find how the material behaves, which Hardie line suits which house, and how it compares with other claddings we install.

Considering Hardie for your home? Request an estimate and we'll walk the house with you.

Call (415) 619-5167

At a glance

MaterialFiber cement: a blend of cement, sand and cellulose fiber

Fire postureNoncombustible cladding, a strong fit for fire-hazard parcels

Moisture & pestsResists rot, moisture damage and wood-boring insects

MaintenanceHolds paint well; ColorPlus factory finish reduces repainting

Warranty (qualitative)Transferable 30-year non-prorated substrate limited warranty and 15-year ColorPlus finish limited warranty when installed to spec

Why James Hardie holds up in Bay Area conditions

Fire. Fiber cement is noncombustible. That matters on the growing number of parcels that Cal Fire maps place in Fire Hazard Severity Zones. On those lots, Chapter 7A of the California Building Code sets requirements for specific parts of the house, including exterior wall coverings, vents, eaves, and certain windows and decks. It does not simply say "the whole house." Noncombustible siding is one recognized way to meet the exterior-wall requirement. We confirm exactly what your parcel requires with the local building department (the AHJ) at permit time.

Fog and salt air. Near the coast and along the bay, the marine layer can keep walls damp for much of the day. Wood siding in those conditions needs frequent finish maintenance to avoid checking and decay. Fiber cement does not rot, and it holds paint well. Cut edges still need to be sealed or primed per James Hardie's instructions, because water can wick into raw board edges.

Sun and heat. Inland valleys see strong UV and summer heat. Fiber cement moves very little with temperature, so joints stay tighter than on claddings that expand and contract more. James Hardie's HZ10 line is formulated for California's climate zone. The ColorPlus factory finish is baked on for fade resistance.

The honest trade-offs. Hardie is heavy, brittle until fastened, and unforgiving of sloppy work. Its warranty and performance depend on correct clearances, fastening and joint detailing. Cutting it creates silica dust, so crews need dust-collecting saws or shears and should cut outdoors. The upfront cost is typically higher than vinyl, and a sharp blow can chip a corner. For many Bay Area homes those trade-offs are worth it. For some they aren't, and we'll say so.

The James Hardie lineup we install

HardiePlank lap siding

The classic clapboard profile and the most common Hardie install. It suits Craftsman, ranch and tract homes where you want a traditional horizontal look.

HardiePanel vertical

Large-format panels for board-and-batten and clean vertical looks. It's a natural match for Eichlers, modern remodels and accent walls.

HardieShingle

Gives the shingle or shake appearance common on Marin and Peninsula homes without the upkeep and combustibility of solid-wood shingles.

Artisan

A thicker, higher-end lap line with deeper shadow lines. It fits period homes and projects where the look justifies the added cost and weight.

ColorPlus Technology

A baked-on factory finish backed by a 15-year finish limited warranty. It's worth considering where sun or fog makes field paint work harder.

How Hardie compares with other siding options

	James Hardie fiber cement	LP SmartSide	Vinyl	Cedar
Material	Cement, sand, cellulose	Treated engineered wood	PVC	Natural wood
Fire	Noncombustible	Combustible; WUI acceptance depends on the assembly, so confirm with the AHJ	Combustible; can soften and distort under intense heat	Combustible unless specially treated
Moisture & rot	Rot-resistant; cut edges must be sealed	Treated for rot and termites; edges and clearances matter	Doesn't rot; relies on the WRB behind it	Needs consistent finish upkeep in damp climates
Appearance	Crisp, paintable profiles; many textures	Convincing real-wood look	Wide color range; seams more visible	Authentic grain and warmth
Weight & install	Heavy; needs skilled crews and dust control	Lighter, easy to work, good impact resistance	Light, fast to install	Moderate; workable
Good fit	Fire zones, fog belts, long-term ownership	Wood look with lighter weight and durability	Budget-conscious projects where low maintenance and lower upfront cost matter	Owners who value natural wood and will maintain it

What drives the cost of a Hardie project

Wall area and complexity: gables, bays, dormers and multi-story walls add cutting, staging and flashing work.
Product line and finish: HardiePlank, HardieShingle and Artisan differ in material and labor, and ColorPlus versus primed-and-painted changes the finishing scope.
What's under the old siding: damaged sheathing, failed WRB or missing flashing found at tear-off needs correcting before new siding goes on.
Removal and disposal: the type of existing siding, and whether it involves lead paint or other regulated materials, affects removal.
Trim, openings and details: window and door flashing, trim packages, corners and rainscreen furring all add scope.
Site and permit conditions: hillside access, tight lot lines and fire-zone requirements from the AHJ can all shape the job.

Our James Hardie installation process

Consultation and estimate. We walk the house, check for fire-zone status and moisture clues, discuss product lines, and write a clear scope.
Permits. We confirm current requirements with the local building department, including any Chapter 7A items for your parcel.
Tear-off to the sheathing. We remove the old siding down to the sheathing/substrate so the water-resistive barrier and flashing can actually be seen.
Inspect and correct. We look for soft or stained sheathing around windows, below decks and at roof-wall intersections, and repair damage before anything is covered.
WRB and flashing detailing. We install a new WRB lapped shingle-style, integrate it with window and door flashing, add kick-out flashing where roofs meet walls, and add furring for a rainscreen where the wall calls for it.
Install to James Hardie spec. Crews follow the specified fastening and clearances from grade, roofing and hard surfaces, flash butt joints, seal cut edges, and use dust-controlled cutting.
Finish and walkthrough. We handle paint or ColorPlus touch-up, then walk the house with you to review details and warranty documentation.

Why homeowners choose Bay Area Siding Company

We're a Larkspur-based siding contractor serving the Bay Area. We treat Hardie as a wall assembly, not just a new skin on the house.

Assembly first

Every tear-off includes a look at the sheathing, WRB and flashing, because that layer is what keeps water out.

Installed to manufacturer spec

We follow James Hardie's installation requirements, which is also what keeps the manufacturer warranties intact.

Straight answers

We give a clear written scope and honest guidance, including when LP SmartSide or vinyl is the better fit, with a direct line at (415) 619-5167.

How to vet any siding contractor

Verify the contractor's license and its status at cslb.ca.gov before signing.
Ask whether the bid includes full tear-off and inspection of the WRB and flashing, or just new siding over whatever is there.
Ask how they handle butt joints, kick-out flashing and cut-edge sealing on fiber cement. Vague answers are a warning sign.
Confirm who pulls the permit and whether fire-zone requirements have been checked with the AHJ.
Ask how they control silica dust when cutting fiber cement.
Get a written scope that spells out repairs, trim, paint or ColorPlus finish, and disposal.

Other services we offer

Comparing materials or planning a larger exterior project? These pages go deeper.

Fiber cement siding LP SmartSide siding Siding replacement See our projects

James Hardie Siding FAQ

My home is in a Cal Fire hazard zone. Is Hardie siding enough to comply?

Noncombustible siding like Hardie is one accepted way to address the exterior-wall requirement under Chapter 7A. However, the code also covers vents, eaves, and some windows and decks. We check your parcel's designation and confirm current requirements with the local building department at permit time.

Should I choose ColorPlus or primed Hardie that gets painted on site?

ColorPlus has a baked-on finish with its own 15-year finish limited warranty and reduces repainting, which helps on sunny inland walls and fog-exposed coastal ones. Primed board allows any custom color and is easier to match on partial projects, but you'll repaint on a normal schedule.

Can Hardie go over my existing siding?

We generally recommend a full tear-off. Hardie's performance depends on a sound, flat substrate and a properly lapped WRB, and covering old siding hides any moisture damage behind it. Tear-off lets us inspect and correct the sheathing and flashing before the new siding goes on.

Does Hardie work on Eichlers and other mid-century homes?

Yes. HardiePanel vertical can recreate the clean vertical lines many Eichlers and modern remodels call for. On older tract homes, it's worth checking for missing flashing around windows once the original siding comes off.

Is Hardie too heavy for my house?

Fiber cement weighs more than vinyl or engineered wood, but typical wood-framed homes handle it when it's fastened per James Hardie's spec. The weight matters more for handling and installation skill than for the structure.

Ready to see how James Hardie would look and perform on your home? Schedule a consultation today.

Call (415) 619-5167