Siding Replacement

In Northwest Washington’s wet, windy, and coastal climate, the best siding choice is fiber cement — specifically, James Hardie® siding. It’s engineered for the Pacific Northwest’s unique weather conditions and offers unmatched durability, resistance to moisture, and long-term color stability.

Unlike traditional wood or engineered wood products that can swell, rot, or warp in constant rain and humidity, James Hardie® siding is non-combustible, pest-resistant, and dimensionally stable. It’s been consistently rated as America’s #1 return-on-investment siding and remains the clear favorite among homeowners throughout Whatcom and Skagit Counties.

The extreme vast majority of re-sides Siding Vault completes are with James Hardie® products — and for good reason. It’s a giant in the industry, trusted by homeowners, builders, and designers across the country for its proven performance and lasting beauty.

As a James Hardie Elite Preferred Contractor, Siding Vault is trained in Hardie’s exact installation standards — which are required to maintain the full manufacturer warranty. While we also install engineered wood, metal, and specialty materials when appropriate, James Hardie® siding remains the top choice for long-term value and protection in the Pacific Northwest.

For homeowners seeking durability, low maintenance, and enduring curb appeal, James Hardie® fiber cement siding stands unmatched — and Siding Vault is proud to be one of the top certified installers in Washington State.

A typical siding replacement project takes about 1–3 weeks, depending on the size and complexity of your home. This timeframe applies to siding-only projects and includes full removal of existing materials, wall preparation, weather barrier installation, and new siding installation.

A few special circumstances can extend the project closer to the longer end of that range. Homes that require lead-safe renovation practices (RRP compliance), contain asbestos siding, or lack sheathing altogether demand more meticulous preparation and handling. These situations require additional coordination and care to ensure the work is performed safely and in full compliance with state and federal regulations.

In addition, Siding Vault is frequently tasked with replacing windows and doors during siding projects, which can add some time to the overall schedule — though combining these scopes is often the most efficient and cost-effective way to complete the work.

No — homeowners do not need to evacuate their home during siding replacement. The work is performed entirely from the exterior, and our crews take every precaution to minimize disruption to your daily routine. You can safely remain in your home throughout the project.

That said, we do recommend removing any valuable or fragile items from your interior walls, especially in areas where work will be taking place. During siding removal or installation, some vibration may transfer through the framing, and it’s best to secure wall-mounted décor, mirrors, or artwork as a precaution.

Siding Vault’s team works carefully and respectfully around occupied homes, maintaining clean job sites and clear communication from start to finish. Our goal is to make the process as smooth and stress-free as possible — allowing you to remain comfortable and confident while your home is transformed.

Prefinished Hardie® siding does cost more per board than primed, but the total project cost is nearly identical at the time of this post’s creation. Because prefinished siding eliminates the need for exterior painting, homeowners save on labor — making the two options extremely comparable overall.

Prefinished siding, such as the James Hardie Statement Collection, features a factory-applied coating that lasts far longer than standard exterior paint, offering superior color consistency, durability, and long-term protection.

Some contractors discourage homeowners from choosing prefinished siding — but it’s typically for selfish reasons, not because it’s what’s best for the customer. Let us explain: prefinished Hardie materials can’t simply be sourced off the shelf at a local Home Depot or supply store. They must be ordered through authorized distributors within the James Hardie product ecosystem. This naturally cuts out contractors who aren’t familiar with Hardie’s ordering process or don’t have established supplier relationships, which often leads them to steer homeowners away from prefinished options altogether.

Another reason for this discouragement is that many companies can’t secure negotiated pricing as low as Siding Vault, due to the large volume of Hardie materials we order each year. This purchasing advantage allows us to offer premium prefinished siding at a cost that’s remarkably close to primed siding plus paint, giving our customers better value without compromise.

It’s certainly not due to performance — prefinished siding is statistically a better product. While it takes slightly more time to install, that’s no challenge for an experienced siding company like Siding Vault, whose crews are fully trained to handle these premium materials with precision.

We generally recommend prefinished siding for full re-sides, as it delivers a durable, low-maintenance finish right from installation. For partial re-sides, primed siding may be the better choice due to the limited color options available in prefinished products.

If the cost is comparable and you’re happy with the available colors, we highly recommend the prefinished route. It offers the best long-term value — and whichever option you choose, Siding Vault will take care of you every step of the way.

Hidden rot is common in the Pacific Northwest, but the vast majority of our customers require only minor rot repair, which we complete at no additional cost. In most cases, a typical home needs 0–4 sheets of sheathing replaced during re-siding — a small enough scope that we include it for free rather than inconvienience homeowners with extra charges.

We’ve seen companies use rot repair as an excuse to add hidden costs at the end of a project. Siding Vault does not engage in those practices, nor do we want customers to feel pressured to count each replaced sheet as an “honesty audit.” The solution is simple: we include minor rot repair for free, based on the statistically low frequency of significant sheathing replacement needed over the many years of re-sides we’ve completed.

Only in rare situations — such as when a home shows extensive, visible rot or water intrusion during the initial consultation, or lacks sheathing entirely — do we include a line-item charge for rot repair. In those cases, the cost is clearly listed in your initial bid, ensuring a transparent, fixed-price estimate with no surprises later.

Our inspection process is thorough. During your consultation, we check for soft spots, moisture damage, and structural weakness. If we uncover minor hidden rot after siding removal, our crew repairs it immediately and documents the work with before-and-after photos — all at no charge.

This approach keeps your project predictable, protects your budget, and maintains your trust. It’s rare that we encounter rot severe enough to fall outside our free repair range, but when we do, we address it honestly and upfront. Siding Vault’s goal is to deliver a flat-rate, worry-free experience. Siding replacement is one of the largest renovation projects most homeowners undertake, and we’ve found that offering flat-rate bids helps relieve stress — even if it occasionally reduces our bottom line. Our inspectors are experienced enough to make accurate judgments before work begins, and our years of data confirm that severe rot cases remain statistically rare across the region — a sacrifice Siding Vault is willing to make to avoid inconveniencing our customers and to relieve stress during such an important renovation investment.

Yes — Siding Vault is proud to be a James Hardie® Elite Contractor, the highest level of certification awarded by James Hardie. This status is earned, not bought, and reflects our proven commitment to installation quality, customer satisfaction, and long-term reliability.

James Hardie® is the manufacturer of the #1 siding brand in Washington State and across America, making it essential that our team is trained in their exact installation requirements. These standards are required to maintain the full manufacturer warranty, ensuring your siding system performs exactly as designed for decades to come.

Siding Vault has direct relationships with local James Hardie technical representatives, giving us access to the latest updates, field guidance, trainings, and best practices — an advantage most contractors don’t have.

You can also find Siding Vault listed directly on the official James Hardie website as a verified Elite Contractor serving Whatcom, Skagit, and San Juan Counties.

Yes — if your home was built before 1978, federal and Washington State law require that any contractor performing renovation or siding replacement be Lead-Safe Certified. These regulations exist because many homes built prior to 1978 used lead-based paint, which can become hazardous when disturbed during construction.

Siding Vault is a Washington State Lead-Safe Certified Firm (R24-0173), meaning our team is fully trained to test, contain, and safely handle lead-containing materials in compliance with the EPA Renovation, Repair, and Painting (RRP) Rule. Even if your home was built after 1978, testing is sometimes necessary — if lead-based paint is discovered, the same safety protocols still apply.

Hiring a certified firm protects both your household and your project. Non-certified contractors can expose occupants to lead dust and may leave you liable for fines or violations if work is performed without proper documentation.

Siding Vault performs lead testing free of charge during your consultation, ensuring your project meets all local and federal safety standards while maintaining a clean and compliant job site.