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When homeowners begin researching premium siding products, two names increasingly rise to the top of the conversation: James Hardie fiber cement siding and Alside ASCEND composite cladding.
Both products are designed to deliver long-term durability, curb appeal, and improved weather resistance compared to traditional vinyl siding. But they achieve those goals in very different ways. Neither is an inherently better option, which means choosing between the two often comes down to a few key factors that we’ll outline below.
What Is James Hardie Siding?
James Hardie siding is a fiber cement product made from cement, sand, water, and cellulose fibers. It has become one of the most recognized premium siding materials in the United States because of its strength, longevity, and traditional wood-like appearance.
James Hardie products are especially known for:
- Excellent resistance to moisture and rot
- Strong fire resistance
- Durable baked-on ColorPlus finishes
- A realistic cedar-mill texture
- Long service life when properly installed
Fiber cement siding has been widely used for decades and has built a strong reputation for performance in demanding climates, like those we experience in Michigan.
What Is Alside ASCEND Composite Cladding?
Alside ASCEND is a newer premium composite siding product that combines glass-reinforced polymers with graphite-infused insulation and mineral components to create a lightweight, insulated cladding system.
ASCEND was designed to bridge the gap between traditional vinyl siding and premium fiber cement products by offering:
- Improved energy efficiency
- Lightweight installation
- Reduced maintenance requirements
- Strong fade resistance
- Enhanced moisture resistance
- A wood-inspired appearance
Because ASCEND includes integrated insulation, it also offers some thermal performance benefits that standard fiber cement products generally do not provide.
Factors to Consider When Deciding Between James Hardie Siding and Alside ASCEND Composite
Several factors can influence whether James Hardie or Alside ASCEND is the better fit for a particular home.
While both products are considered premium siding systems, they differ in areas like appearance, insulation value, installation requirements, maintenance demands, and overall cost. Understanding those differences can help homeowners make a more confident long-term investment decision.
Appearance and Curb Appeal
Both products are considered high-quality siding systems, and both can dramatically improve a home’s appearance.
James Hardie tends to appeal to homeowners looking for a more traditional, architectural appearance. The texture, shadow lines, trim options, and overall finish often resemble painted wood siding more closely than many competing products.
ASCEND, meanwhile, offers a cleaner and somewhat more modern appearance. Many homeowners appreciate its deep colors, uniform finish, and crisp installation lines.
From a curb appeal standpoint, neither product is objectively better than the other. Instead, you’ll want to make your choice based on:
- The style of your home
- The surrounding neighborhood
- Your desired color palette
- The architectural details of your house
- Whether you would prefer a traditional or contemporary aesthetic
In many upscale neighborhoods throughout Southeast Michigan, both products are commonly used successfully.
Durability and Weather Resistance
Michigan weather can be extremely demanding on exterior materials. Homes in the region routinely experience everything from freeze-thaw cycles and heavy snow to wind-driven rain, high summer humidity, and intense UV exposure.
James Hardie siding is widely respected for its durability in harsh climates. Fiber cement resists rot, insects, warping, and fire exceptionally well. It also performs well in wet environments when properly installed and maintained.
ASCEND also performs well in moisture-prone environments and is engineered to resist swelling, cracking, and many common siding issues associated with older materials. Its composite design is highly moisture-resistant and lightweight.
One notable difference involves impact resistance. Fiber cement is extremely hard and durable, but it can occasionally crack under severe impact. Composite siding products typically flex a bit more under impact, slightly reducing the chances of cracks.
Fire Resistance
For some homeowners, fire resistance is an important consideration.
James Hardie fiber cement siding is non-combustible and will not ignite when exposed to direct flame. This makes it the preferred choice for those in fire-prone areas. Meanwhile, ASCEND offers improved fire resistance compared to traditional vinyl siding, but it is not considered non-combustible in the same way fiber cement is.
For homeowners specifically prioritizing maximum fire resistance, James Hardie has the clear edge here.
Energy Efficiency
This is one area where ASCEND often stands out.
Because ASCEND includes integrated insulated backing, it can provide better thermal performance than standard non-insulated siding systems. That may help reduce thermal bridging, improve wall-system efficiency, enhance comfort near exterior walls, and slightly improve energy performance.
James Hardie siding itself does not provide substantial insulating value. Any insulation benefits would typically come from separate house wrap or foam board installed beneath the siding.
That does not necessarily make Hardie inefficient — but ASCEND was specifically engineered with insulation as part of the system.
Maintenance Requirements
Both products are considered relatively low-maintenance products compared to traditional wood siding.
However, ASCEND generally requires less long-term maintenance overall. Because ASCEND’s color is integrated into the product and designed for long-term fade resistance, homeowners typically do not need repainting. Cleaning requirements are also fairly minimal.
James Hardie products with ColorPlus finishes are also designed for excellent color retention, but fiber cement siding may eventually require repainting or touch-up work over the course of its lifespan.
For homeowners prioritizing minimal upkeep, ASCEND is often more appealing.
Installation Differences
Installation is one of the largest practical differences between the two products.
James Hardie siding is substantially heavier than ASCEND and requires specialized installation methods, cutting tools, fastening practices, and moisture-management details. Proper installation is critical for long-term performance and warranty compliance.
ASCEND is much lighter and uses an interlocking installation system that can simplify labor and reduce installation time. That lighter weight can also reduce labor demands, speed up installation, reduce project costs, and simplify on-site handling.
However, installation quality matters tremendously for both systems. Even premium siding products can underperform if improperly installed.
Cost Differences
In most cases, James Hardie siding costs more than ASCEND composite cladding. That higher cost is usually driven by the material pricing, increased labor requirements, and longer installation timelines.
ASCEND, on the other hand, is generally more affordable and typically falls into a middle ground between premium vinyl siding and fiber cement pricing.
That said, pricing varies significantly based on your home’s size, the trim complexity, whether you need existing siding removed, and the architectural details of your house.
For some homeowners, Hardie’s reputation and fire resistance justify the added investment. For others, ASCEND’s lower maintenance and lower installation costs make it the more attractive value.
James Hardie vs Alside ASCEND: Which Siding Is Better?
There is no universal winner for every home.
James Hardie may be the better fit for homeowners who prioritize:
- Proven long-term track record
- Traditional wood-like appearance
- Exceptional fire resistance
- Premium architectural aesthetics
- Maximum durability
ASCEND may be the better choice for homeowners who prioritize:
- Lower maintenance
- Faster installation
- Improved insulation performance
- Lightweight materials
- Lower overall project cost
Both products are considered major upgrades over builder-grade siding materials. The best siding choice ultimately depends on your goals, budget, home style, and long-term priorities.
James Hardie vs. ASCEND Composite Siding: FAQ
Choosing between two premium siding systems naturally raises a lot of questions. Below are some of the most common things Southeast Michigan homeowners ask when comparing James Hardie fiber cement siding and Alside ASCEND composite cladding.
Is James Hardie siding better than ASCEND composite siding?
Not necessarily. Both are considered premium siding products, but they excel in different areas. James Hardie is often favored for its traditional appearance, fire resistance, and long-term durability, while ASCEND is frequently chosen for its lower maintenance requirements, integrated insulation, and lighter-weight installation system.
Which siding lasts longer: James Hardie or ASCEND?
Both products are designed for long service lives when properly installed and maintained. James Hardie fiber cement siding has a very long real-world track record dating back decades, while ASCEND is newer but engineered specifically for long-term performance and fade resistance.
Does James Hardie siding increase home value?
In many cases, yes. Premium fiber cement siding is widely viewed as a desirable exterior upgrade because of its durability, appearance, and reputation. High-quality siding replacement projects can improve curb appeal and may positively influence resale value, especially when paired with proper trim, insulation, and exterior design updates.
Is ASCEND siding energy efficient?
ASCEND generally offers better built-in thermal performance than many other siding options because it includes integrated insulated backing. That can help improve wall efficiency and reduce some heat transfer through exterior walls.
Which siding requires less maintenance?
ASCEND composite siding typically requires less long-term maintenance overall. Its finish is designed for strong fade resistance and generally does not require repainting. James Hardie siding is also relatively low maintenance, especially with ColorPlus finishes, but fiber cement may eventually require repainting or touch-up work over time.
Is fiber cement siding waterproof?
No siding system is completely waterproof on its own. James Hardie fiber cement siding is highly moisture-resistant, but proper flashing, drainage planes, house wrap, and installation techniques are critical to protecting the home from water intrusion. The same is true for composite siding systems like ASCEND.
Which siding is more expensive: James Hardie or Alside ASCEND?
In most cases, James Hardie siding costs more than ASCEND composite siding due to heavier materials, increased labor demands, and more specialized installation requirements. However, final pricing varies depending on the home’s size, architectural complexity, trim details, insulation upgrades, and local labor conditions.
Schoenherr Roofing: Michigan’s Preferred Siding Installation Team
Whether you think that James Hardie siding is the ideal choice for your home or you’re leaning towards Alside’s Ascend Composite line, your new siding must be installed properly. This is the only way to avoid problems with moisture intrusion and provide the kind of polished aesthetics you deserve.
Schoenherr Roofing has been installing siding for homeowners across Michigan since 1995. We’ve built a reputation for being the local contractor you can trust to deliver top-notch results. Whether you’re in Grand Rapids, Sterling Heights, Novi, or Troy, we can provide the kind of siding solution homeowners expect.
Contact us today to schedule your free on-site evaluation and receive a clear and transparent project estimate.
