Completed exterior renovation in Montclair, NJ featuring James Hardie clapboard siding, Andersen windows and doors, Duradek balcony roofing, and a cable rail system.

Replacing your home’s siding is a major investment, and choosing the right material can feel overwhelming. Homeowners want an exterior that looks great, holds up to New Jersey weather, and does not create unnecessary maintenance down the road.

Two premium options homeowners often compare are Alside ASCEND® composite cladding and James Hardie fiber cement siding. Both can dramatically improve curb appeal and offer durable, low-maintenance performance, but they differ in material, installation, cost, and long-term upkeep.

Below, Magnolia Home Remodeling Group breaks down the key differences to help you decide which siding option may be the better fit for your home. During siding consultations across Northern and Central New Jersey, we often see homeowners choose Alside ASCEND® when they want a premium exterior update with a more manageable overall investment. James Hardie is frequently the preferred choice for homeowners who want the design flexibility of fiber cement, especially for traditional, colonial, modern farmhouse, and custom exterior renovations.

Disclaimer: This content is for informational purposes only and should not be considered legal or professional advice. Municipal codes and regulations in New Jersey span thousands of pages and are subject to change without notice. Always verify current requirements with the appropriate local authorities. We cannot be held liable for any inaccuracies or outdated information.

Alside ASCEND® vs. James Hardie at a Glance

Factor	Alside ASCEND® Composite Cladding	James Hardie Fiber Cement Siding
Material	Composite cladding with a foam core	Fiber cement
Installed Cost	Often lower than fiber cement siding	Typically higher because of material weight and installation requirements
Installation	Lightweight panels can allow for a faster installation process	More labor-intensive and detail-oriented installation
Maintenance	Low maintenance with no routine repainting expected	Low maintenance, though periodic cleaning and finish upkeep may be needed over time
Appearance	Deep shadow lines and a traditional lap-siding appearance	Extensive style options with a highly authentic wood-like appearance
Best For	Homeowners prioritizing value, low maintenance, and efficient installation	Homeowners prioritizing design flexibility and a proven fiber-cement product

What Magnolia Considers When Recommending Siding

There is no one-size-fits-all answer when choosing between Alside ASCEND® and James Hardie. During your consultation, Magnolia evaluates the condition of your existing exterior, the architectural style of your home, the amount of siding being replaced, and any related work that may be needed around trim, soffits, fascia, gutters, windows, or doors.

We also discuss the look you are trying to achieve, your budget range, and how long you plan to stay in the home. For some homeowners, ASCEND® provides the right balance of curb appeal, low maintenance, and value. For others, James Hardie is worth the additional investment because of its design options and fiber-cement construction. Our role is to explain the differences clearly and provide an estimate based on what your home actually needs.

What Is Alside ASCEND® Composite Cladding?

Alside ASCEND® is a composite cladding product made with glass fibers, polymers, polystyrene, and graphite. The result is a lightweight exterior product designed to offer the appearance of traditional lap siding with strong weather resistance and minimal maintenance.

ASCEND® is designed to resist moisture, wind, fading, and impact. It also carries a Class A fire rating. Because the panels are lighter than fiber cement, installation can often be completed more efficiently than heavier siding products.

For homeowners who want a premium exterior upgrade without the higher installation costs often associated with fiber cement, ASCEND® can be a strong option. It is available in a range of colors and can create deep shadow lines that give the home a more dimensional, finished look than standard vinyl siding.

Home in Watchung, NJ with James Hardie plank siding, vertical board and batten siding, and Azek composite trim

James Hardie plank siding, vertical board and batten siding, and Azek composite trim on a completed home exterior in Watchung, NJ.

What Is James Hardie Fiber Cement Siding?

James Hardie fiber cement siding is one of the most recognized siding options in the country. It is made from a blend of cement, sand, and cellulose fibers and is designed to provide long-lasting exterior performance with a highly polished, wood-like appearance.

James Hardie siding is known for its durability and resistance to fire, pests, rot, and harsh weather. It is available in a wide range of lap siding, board and batten, shingle, and trim options, making it especially appealing for homeowners who want a more customized exterior design.

Because fiber cement is heavier and requires precise cutting, handling, and installation, it typically takes more time and labor to install than composite cladding. That additional labor is one reason James Hardie projects often come with a higher overall investment.

Exterior renovation in Westfield, NJ with GAF roofing and James Hardie siding

Completed exterior renovation in Westfield, NJ featuring GAF roofing and James Hardie siding.

Key Differences Between Alside ASCEND® and James Hardie Siding

Material and Installation

Alside ASCEND® is a lightweight composite cladding product, while James Hardie is a heavier fiber cement siding material. ASCEND® panels are designed to interlock, which can help simplify the installation process. James Hardie requires more detailed installation practices due to the weight and composition of fiber cement.

For many homeowners, this difference affects both project timing and labor costs. A Magnolia team member can evaluate your home and explain what installation would look like for each material.

Appearance and Design Options

Both products can create a high-end exterior, but they offer different design advantages. ASCEND® offers bold colors and deep shadow lines that provide dimension without the maintenance demands of traditional wood siding.

James Hardie offers extensive design flexibility, including lap siding, board and batten, shingles, trim, and multiple finish options. It is often selected for homeowners looking to create a classic, traditional, coastal, modern farmhouse, or custom architectural exterior.

Maintenance

Both Alside ASCEND® and James Hardie are considered low-maintenance siding options. ASCEND® does not require routine repainting, while James Hardie may require periodic cleaning and finish upkeep over the life of the product depending on exposure, installation, and the specific finish selected.

No exterior siding product is completely maintenance-free. Homeowners should still inspect siding periodically, keep gutters functioning properly, and address any damage or moisture concerns promptly.

Durability and Weather Resistance

New Jersey homes need exterior materials that can handle changing temperatures, moisture, wind, snow, and seasonal freeze-thaw cycles. Both ASCEND® and James Hardie are designed for long-term exterior performance when properly installed.

James Hardie has a long-established reputation in fiber cement siding, while ASCEND® provides a newer composite option designed to offer durability with a lighter-weight installation process. The best choice depends on your home, your budget, and the look you want to achieve.

What Is the Cost Difference Between Alside ASCEND® and James Hardie?

James Hardie siding typically costs more than Alside ASCEND® because fiber cement is heavier, requires more detailed installation, and often involves higher labor costs. ASCEND® is generally more expensive than standard vinyl siding but can be a more budget-friendly alternative to fiber cement for homeowners who still want a premium exterior finish.

The total cost of your siding project will depend on several factors:

The Size and Layout of Your Home

Siding projects are commonly priced based on square footage, but the shape and complexity of your home also matter. Dormers, gables, multiple stories, existing brick, trim details, and difficult-to-access areas can all affect labor and material costs.

Installation Requirements

James Hardie installation generally requires more labor due to the weight and handling of fiber cement. ASCEND® may offer a more efficient installation process, which can help reduce overall labor costs.

Color, Trim, and Additional Exterior Work

Your final estimate may also include trim, soffits, fascia, shutters, gutters, insulation, repairs to underlying sheathing, or other exterior upgrades. During your consultation, Magnolia can provide a detailed estimate so you understand what is included before work begins.

Home in Ramsey, NJ with James Hardie lap siding, Azek trim, and Andersen 400 Series windows

James Hardie lap siding, Azek trim, and Andersen 400 Series windows on a completed home in Ramsey, NJ.

Which Siding Option Is Right for Your Home?

Both Alside ASCEND® composite cladding and James Hardie fiber cement siding can be excellent choices for homeowners replacing aging siding. The better fit depends on your budget, the look you want to achieve, your preferred maintenance level, and your long-term plans for the home.

Alside ASCEND® may be a great fit if you want a premium-looking exterior with lower installation costs than fiber cement. Its lightweight composite panels can help streamline installation while delivering bold color, deep shadow lines, and low-maintenance performance.

James Hardie may be the better choice if you are looking for fiber cement siding with extensive style options and a long-established reputation for durability. While it often comes with a higher project cost, many homeowners value its appearance, design flexibility, and long-term performance.

Talk With Magnolia About Your Siding Project

Choosing new siding is a major investment, and the right material depends on more than price alone. Magnolia Home Remodeling Group helps homeowners compare Alside ASCEND® composite cladding and James Hardie fiber cement siding based on their home, budget, design goals, and long-term maintenance preferences.

As a family-owned remodeling company with more than 30 years of experience, our team is involved from the initial conversation through the final walkthrough. Contact Magnolia to schedule a consultation and receive a detailed estimate. You can also explore our financing options for your siding project.

This blog has been updated July 6, 2026.