James Hardie Fiber Cement Siding in Kent, WA

Smith Exteriors LLC is a member of the James Hardie Alliance, installing HardiePlank, HardieShingle, and ColorPlus Technology finishes for Kent-area homeowners. Free estimates available.

Why James Hardie Is the Top Siding Choice in the Pacific Northwest

Fiber cement siding started taking over the Pacific Northwest residential market in the early 2000s, and James Hardie has led that shift ever since. The reason is straightforward: the climate here is harder on exterior siding than almost anywhere else in the country. Kent and the greater Seattle-Tacoma area average close to 40 inches of rainfall per year, with sustained wet periods from October through May. Traditional wood siding absorbs moisture, swells, and develops the rot, cracking, and paint failure that homeowners in this region have been dealing with for decades. Vinyl siding holds up better than wood but becomes brittle in temperature extremes and cannot replicate the visual character of natural materials. Stucco is installation-sensitive and expensive. Brick is cost-prohibitive for most residential projects. James Hardie fiber cement siding was engineered specifically for high-moisture, high-humidity climates. It does not absorb water the way wood does. It does not rot, crack, or split. It is noncombustible, resistant to insects and woodpeckers, and carries a 30-year non-prorated product warranty. In a climate like Kent’s, those are not minor features — they are the reason this product has become the default choice for homeowners who want siding they will not need to replace again in ten years. Smith Exteriors LLC installs James Hardie fiber cement siding in Kent, WA and throughout King County. As a member of the James Hardie Alliance, we have demonstrated experience installing Hardie products to manufacturer specifications — which matters for your warranty coverage.

Smith Exteriors LLC — James Hardie Alliance Member

Smith Exteriors LLC is a member of the James Hardie Alliance, the manufacturer’s official contractor program. Alliance membership means we have demonstrated experience working with homeowners and installing James Hardie products in the field.

Why this matters for your project

Correct Installation Protects Your 30‑Year Warranty

James Hardie's 30-year product warranty requires siding to be installed according to the manufacturer's published installation specifications. Improper installation can void warranty coverage regardless of product quality, including:

  • Incorrect nail placement
  • Insufficient clearance from grade or rooflines
  • Inadequate sealing at windows and trim

Working with a James Hardie Alliance contractor means your installer has access to James Hardie's technical training resources and installs Hardie products the way the manufacturer intends.

Alliance members are listed on the James Hardie contractor locator, so you can verify our affiliation directly with the manufacturer before committing to your project.

Professional Installation You Can Trust

James Hardie fiber cement siding performs as designed only when it is installed correctly. Fiber cement is not forgiving of installation shortcuts — and in a high-moisture climate like Kent’s, the consequences of improper installation show up faster than they would in a drier region.

The critical installation details that determine long-term performance include:

  1. Grade and Roofline Clearance

    HardiePlank and HardieShingle need proper clearance from grade, decking, and rooflines. Siding set too close to horizontal surfaces traps moisture at the bottom edge, speeding up damage where it is hardest to inspect.

  2. Nail Placement and Fastening

    James Hardie specifies nail placement, penetration depth, and fastener type for each product line. Overdriven nails can crack the fiber cement, while underdriven nails allow movement that breaks the paint seal.

  3. Sealing at Every Transition

    Every window, door, corner, and trim transition is a potential moisture entry point. We seal each one to James Hardie specifications using compatible sealants that flex as fiber cement expands and contracts.

  4. Moisture Barrier and Flashing

    Fiber cement goes over a properly lapped moisture barrier. Flashing at windows, doors, and horizontal trim is installed before the siding, so any water behind the cladding is directed out, not into the wall.

These steps are not optional. They protect your 30-year product warranty and help your siding perform in Kent's climate for its full expected life.

Serving King County Homeowners
Smith Exteriors LLC installs James Hardie Fiber Cement Siding for homeowners throughout Kent, Auburn, Renton, Federal Way, Bellevue, and surrounding King County communities. We are a local contractor, not a regional franchise and James Hardie fiber cement siding is one of the primary products we work with on exterior projects throughout this area. When you contact us for a James Hardie estimate, we visit the property, assess the existing siding and wall conditions, and give you a clear recommendation on product line, profile, and finish option based on your home’s architecture and your goals. We do not provide phone quotes for James Hardie installations because the correct product and installation approach depends on what we see at the site. Free estimates. No subcontracting. Installed to manufacturer specifications so your warranty is protected from day one.

Reviews

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Brandi Rose Alkire profile picture
Brandi Rose Alkire
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Jay was wonderful to work with on our recent siding project! We received a few quotes, and his was by far the most reasonable. From the beginning, we also got a great feeling about working with him—he was easygoing, communicative, and incredibly accommodating throughout the entire project. We ended up adding a few things and making some last-minute changes (replacing a window, a door, and even framing a new shed) along the way, and Jay was always happy to work with us. He never made us feel like we were being difficult or asking for too much, which we really appreciated. His crew was equally wonderful—courteous, professional, and incredibly detail-oriented. Our 1950's rambler had some quirks to work through, including multiple layers of old siding and some questionable work from over the years, and they handled everything beautifully. The attention to detail really shows, and our house looks brand new! We had such a great experience working with Jay and his team and couldn’t recommend them enough.
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Glenn profile picture
Glenn
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For a high quality and reasonably priced paint and siding job I couldn’t have been happier selecting Smith Exteriors to handle my project. Jay and his crew did an awesome job making my almost 70 year old home look great again. It involved plenty of meticulous prep work that involved sanding and caulking. Jay is an absolute pleasure to work with and his crew are highly skilled and professional. Don’t hesitate to call Jay if you are in need of exterior siding and paint services. You will not be disappointed. Thanks again for a great job Jay!
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Christopher Walker profile picture
Christopher Walker
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Went with Smith Exteriors to have the house siding replaced and to have the house repainted. We were very happy with the results. Jay the owner was easy to work with and they were able to get our project done promptly. The work crew was great and went the extra mile when they didn't have to.
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Charlie Arc profile picture
Charlie Arc
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Replaced siding which has been behind deck we removed. Did a great job - Jay showed me everything after they removed the old failed siding- shows me that the plywood behind it had not failed. Jay is a great, patient communicator. After replacing some siding, they did an entire exterior painting for us starting with prep like scraping/removing bad caulk, re-caulking and power washing to remove grime, etc. End result for us is peace of mind and a great looking house. Thank you, Smith Exteriors! Charlie and Jen Kent, WA
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Doug Adams profile picture
Doug Adams
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We've used Jay Smith and Smith Exteriors for two major projects on our home, and he's delivered on both. The first was our rooftop deck — the old decking had warped badly and needed a full replacement. Jay came in and replaced it properly, giving us a solid, level surface we should have had all along. The second job was our exterior siding, and what he found when he opened up the walls was alarming — the previous contractor had installed new building paper directly over the original without ever inspecting the plywood underneath. There was extensive water damage and wood rot hidden for years. Jay's crew repaired all of it: new plywood, Tyvek housewrap, re-flashing every window and door, new primed James Hardie lap siding, two coats of Sherwin Williams Super Paint, and sealing of the coping metal around the roof. When it was done, the framing lumber that had been wet for who knows how long had finally dried out — proof that the house is now truly watertight. Jay communicated clearly throughout both projects and provided completion photos and a detailed written summary of everything done. If you want someone who does the job right — and catches what the last guy missed — Jay is your contractor.
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Monika C profile picture
Monika C
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I highly recommend Smith Exteriors and Jay's team. They recently replaced a couple of windows in my home and painted the exterior, and I couldn't be happier with the results. When they removed the old windows, they discovered that a previous installation had been done incorrectly, with no flashing and no exterior trim around the windows. Jay took the time to explain the problem and made sure everything was corrected and installed properly. The attention to detail and quality of workmanship were outstanding. Jay and his crew were punctual, professional, and meticulous throughout the entire project. They kept the work area clean, cleaned up thoroughly at the end of each day, and even wore booties inside the house so they wouldn't track dirt onto my floors. The house looks fantastic, the new windows are properly installed, and I have peace of mind knowing the underlying issues were fixed correctly. If you're looking for a contractor who takes pride in doing the job right, I would not hesitate to recommend Smith Exteriors.
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Josh Landry profile picture
Josh Landry
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We just finished a full siding replacement from Smith Exteriors and couldn’t be happier! We had the old recalled LP siding from 30 years ago+ and they replaced it with James Hardie siding. They also managed the full house and trim painting (including door) and gutter replacement. The quality of their work was fantastic, and Jay was there every step of the way. Extremely flexible and the follow-through was spot on. I had a few bids from some other “larger” companies, but Smith was very competitively priced. His crews were also hard working all the way through, showed up on time and worked late if they needed to catch up. We have zero regrets and you won’t either.
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Lency Lu profile picture
Lency Lu
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Working with Smith Exteriors has been an absolute pleasure. Jay and his crew installed a new sliding door for our master bedroom, and the entire experience was outstanding from start to finish. Their pricing was very reasonable, coming in lower than most other companies we considered - while still delivering top notch service and quality workmanship. Extremely happy with the final result and will definitely be using them again for all our future exterior projects. Thank you, Jay!
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Jake Reeves profile picture
Jake Reeves
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We used Smith Exteriors for a siding replacement and paint, as well as gutter replacement. Jay and his crew were very efficient, communicative, and punctual. The price was as good or better than the other quotes I received and we couldn't be happier with the end result! Highly recommend them and will use them again for any exterior work we need in the future.
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Jodie Shreve profile picture
Jodie Shreve
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ALL THE STARS: Working with Smith Exteriors has been outstanding! The team replaced siding and windows for our home. From the beginning of the project, it was obvious why they have all these 5-star reviews. Jay is the very best and an absolute pleasure to work with. From start to finish, Jay was always prompt with communication and so helpful. Everyone was very kind and so hard working. Our neighbors could not believe how quickly the project was completed and everything looks amazing. I highly recommend Smith Exteriors and am so thankful we chose them for our project.

Frequently Asked Questions About James Hardie Siding in Kent, WA

Why is James Hardie fiber cement siding so popular in the Pacific Northwest?

James Hardie fiber cement siding is engineered specifically for high-moisture climates. In Kent and the greater Seattle-Tacoma area, it outperforms wood siding because it does not absorb moisture the way wood does, which means no rot, no swelling, no repeated paint failure. It also resists insects and fire, and carries a 30-year non-prorated warranty — a lifespan that makes it one of the strongest long-term investments a Kent homeowner can make in their exterior.

What is the difference between HardiePlank and HardieShingle?

Hardie Plank is James Hardie’s horizontal lap siding product — the standard profile that replicates traditional wood clapboard siding. HardieShingle is designed to replicate the look of cedar shingles, with a staggered, textured profile. HardieShingle is commonly used as an accent on gable ends, dormers, and upper stories, while HardiePlank covers the main body of the home. The two products can be combined on the same home for architectural contrast.

What is ColorPlus Technology and do I need it?

ColorPlus Technology is James Hardie’s factory-applied finish system. Siding panels are pre-painted in a controlled factory environment with multiple coats baked on, rather than painted on site after installation. The finish is more consistent and more durable than field-applied paint, and it carries a separate 15-year finish warranty covering peeling, cracking, and chipping — including labor and materials. For Kent homeowners, the additional benefit is that factory-finished siding eliminates the weather delays and adhesion risks of painting fresh fiber cement in a damp climate. If you want the lowest-maintenance finish and the longest interval between repaints, ColorPlus is worth the additional cost.

How long does James Hardie siding last?

James Hardie fiber cement siding carries a 30-year non-prorated product warranty, meaning the warranty value does not decrease over time. When properly installed and maintained, fiber cement siding in the Pacific Northwest regularly reaches and exceeds that lifespan. The 30-year warranty applies to the product itself. ColorPlus Technology finish carries a separate 15-year warranty for the factory-applied paint.

Does proper installation affect my James Hardie warranty?

Yes, significantly. The 30-year James Hardie product warranty requires that siding be installed according to the manufacturer’s published installation specifications. Improper installation — including incorrect clearances, wrong fastener type, inadequate sealing at transitions — can void the warranty regardless of product quality. Working with a James Hardie Alliance member contractor gives you the assurance that your installation follows the specifications your warranty depends on.

How much does James Hardie siding installation cost in Kent, WA?

James Hardie fiber cement siding installation in the Kent and greater Seattle area typically ranges from $12,000 to $29,000 for a full re-side, depending on home size, the specific product and profile chosen, and any underlying damage found during the removal of existing siding. ColorPlus Technology finishes add a modest cost over primed products but eliminate or significantly reduce future painting costs. We provide free, itemized estimates so you have a clear number before committing.

How does James Hardie siding compare to vinyl siding?

James Hardie fiber cement siding and vinyl siding both outperform wood in moisture resistance, but they differ in several important ways. Fiber cement is more dimensionally stable — it does not become brittle in cold temperatures the way vinyl can. It holds paint better and longer. It is noncombustible, while vinyl melts in fire. And it more closely replicates the appearance of natural wood. Vinyl is a lower-cost option for homeowners prioritizing budget; James Hardie is the stronger long-term choice for performance and appearance.

Are you a licensed James Hardie installer in Washington State?

Yes. Smith Exteriors LLC is a licensed, bonded, and insured Washington State contractor and a member of the James Hardie Alliance. Our WA contractor registration number is SMITHEL789PE, verifiable through the Washington State Department of Labor and Industries contractor lookup tool.

Ready to Upgrade Your Kent Home to James Hardie Siding? Get a Free Estimate Today

Whether your current siding is rotting, warping, or simply losing the battle with Kent’s wet seasons, Smith Exteriors LLC is ready to help. Get a free, no-obligation James Hardie siding estimate from a licensed, bonded, and insured local Kent crew and James Hardie Alliance member, with no pressure and no hidden fees. We respond to every inquiry within one business day.