Lp Smart Siding vs Hardieplank: Which Wins?

Versus
By Maya Collins May 31, 2026
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Choosing the right siding for your home is a major decision that impacts curb appeal, durability, and long-term value. When it comes to engineered wood siding and fiber cement options, two names consistently rise to the top: LP SmartSide and James Hardie HardiePlank. Both offer compelling benefits, but they cater to different priorities and performance expectations.

This comprehensive comparison dives deep into the strengths and weaknesses of LP SmartSide and HardiePlank. We’ll explore their construction, durability, installation, aesthetic options, and overall cost-effectiveness to help you make an informed choice. Get ready to discover which siding solution is the perfect fit for your dream home.

Specs at a Glance

FeatureLP Smart SideHardiePlank
MaterialEngineered wood fiber, resin, and water-resistant additivesFiber cement (cement, sand, cellulose fibers)
DurabilityResistant to rot, termites, and fungal decayHighly durable, resistant to rot, termites, and fire
Impact ResistanceGood impact resistanceExcellent impact resistance, can withstand hail
WeightLighter than fiber cementHeavier than engineered wood
InstallationEasier to cut and install due to lighter weightRequires specialized tools and techniques for cutting and installation
Moisture ResistanceExcellent moisture resistanceExcellent moisture resistance, non-combustible
MaintenanceRequires painting every 7-10 yearsRequires painting every 10-15 years, less frequent touch-ups
AppearanceOffers a wood-like appearance and textureMimics the look of wood, available in various styles
WarrantyOften comes with a 50-year limited warrantyTypically offers a 30-year limited warranty
Environmental ImpactMade from sustainable wood productsDurable and long-lasting, reducing replacement needs
Fire ResistanceTreated for fire resistanceNon-combustible, Class A fire rating
Color OptionsAvailable in a variety of pre-finished colors and can be paintedWide range of colors and styles, can be painted

Feature-by-Feature Breakdown

Durability & Strength

  • Lp Smart Siding: Engineered wood product known for its resistance to rot, insects, and moisture. It’s treated with advanced polymer technology for enhanced durability and can withstand harsh weather conditions, though extreme impacts can cause damage.
  • Hardiplank: Made from fiber cement, which is incredibly strong and resistant to rot, insects, and fire. It’s also highly resistant to impact damage and warping, making it a very robust option for exteriors.
  • Winner: Hardiplank

Moisture Resistance

  • Lp Smart Siding: Features a proprietary sealant and treatment that makes it highly resistant to moisture absorption and rot. However, improper installation or damage to the surface can still lead to moisture issues over time.
  • Hardiplank: Its fiber cement composition inherently makes it non-combustible and highly resistant to moisture, mold, and mildew. It does not absorb water and is unaffected by humidity or rain.
  • Winner: Hardiplank

Pest Resistance

  • Lp Smart Siding: Infused with insect-repelling treatments during manufacturing, making it highly resistant to termites and other wood-boring insects. This significantly reduces the risk of pest-related damage common to traditional wood.
  • Hardiplank: As a cementitious material, HardiePlank is completely impervious to pests like termites, carpenter ants, and other wood-destroying insects. They simply have nothing to feed on or nest in.
  • Winner: Hardiplank

Fire Resistance

  • Lp Smart Siding: While not as inherently fireproof as fiber cement, LP SmartSide has been engineered to offer good fire resistance, often outperforming traditional wood siding. It is typically rated for fire resistance and can help slow the spread of flames.
  • Hardiplank: Fiber cement siding is non-combustible and has a Class A fire rating, the highest possible. This makes it an excellent choice for areas prone to wildfires or where fire safety is a major concern.
  • Winner: Hardiplank

Maintenance Requirements

  • Lp Smart Siding: Requires regular cleaning and periodic repainting, typically every 5-10 years depending on climate and color. Proper maintenance ensures its longevity and appearance, similar to wood siding but with greater inherent protection.
  • Hardiplank: Requires minimal maintenance. It needs occasional cleaning to remove dirt and debris, and repainting is usually only necessary every 15-25 years. It holds paint very well.
  • Winner: Hardiplank

Weight & Installation

  • Lp Smart Siding: Lighter than fiber cement, which can make installation easier and potentially reduce labor costs. It can be cut with standard woodworking tools, simplifying the installation process.
  • Hardiplank: Heavier than engineered wood, requiring more specialized tools and potentially more labor for installation. Cutting fiber cement produces silica dust, requiring safety precautions and specific tools.
  • Winner: LP Smart Siding

Aesthetics & Design Options

  • Lp Smart Siding: Available in a wide variety of styles, textures, and colors, including options that mimic the look of natural wood grain. It offers great design flexibility for various architectural styles.
  • Hardiplank: Also offers a broad range of styles, including lap siding, shakes, and panels, with a variety of textures and colors. It can convincingly replicate the look of wood without its drawbacks.
  • Winner: Tie

Cost (Material & Installation)

  • Lp Smart Siding: Generally has a lower upfront cost for both materials and installation compared to fiber cement. The easier installation process can also contribute to overall savings.
  • Hardiplank: Tends to have a higher initial material cost and can incur higher installation costs due to its weight and specialized handling requirements. However, its longevity and low maintenance can offer long-term value.
  • Winner: LP Smart Siding

Winner by Category

CategoryWinner
DurabilityHardiePlank
Impact ResistanceHardiePlank
Fire ResistanceHardiePlank
Ease of InstallationLP Smart Side
Moisture ResistanceTie
Termite ResistanceTie
WarrantyLP Smart Side
Aesthetic AppealTie
Value for MoneyLP Smart Side

What They Have in Common

  • Durability: Both LP Smart Side and HardiePlank are engineered to be highly durable siding materials, offering excellent resistance to common issues like rot, termites, and fungal decay. This longevity ensures they can withstand various weather conditions and maintain their integrity over many years.
  • Low Maintenance: While both require occasional cleaning and repainting, they are significantly lower maintenance than traditional wood siding. You won’t need to worry about frequent sealing or treating against pests.
  • Aesthetic Appeal: Both siding options are designed to mimic the look of natural wood, offering a beautiful and traditional aesthetic for homes. They are available in a variety of styles and textures to complement different architectural designs.
  • Resistance to Elements: Both LP Smart Side and HardiePlank are formulated to resist moisture, warping, and cracking, making them suitable for a wide range of climates and environmental conditions.
  • Improved Home Value: Investing in either of these high-quality siding materials can significantly enhance your home’s curb appeal and potentially increase its resale value due to their longevity and attractive appearance.

Lp Smart Siding Vs Hardiplank Buying Guide

Durability and Weather Resistance

When comparing LP Smart Siding and James Hardie (HardiePlank), durability is a key factor. Both offer excellent resistance to moisture, rot, and insect damage, which are common issues with traditional wood siding. However, James Hardie’s fiber cement composition is inherently more resistant to extreme weather events like hail and high winds, often outperforming LP Smart Side in these specific scenarios. LP Smart Side, while engineered for durability, might require more frequent maintenance in coastal or very harsh climates.

Maintenance and Longevity

Maintenance requirements differ between the two. LP Smart Siding, being wood-composite, typically requires painting every 7-10 years to maintain its aesthetic appeal and protect the surface. James Hardie siding, on the other hand, is often available with baked-on ColorPlus® Technology, which is highly fade-resistant and can extend the time between full repaints, sometimes up to 15-20 years. Both products are designed for longevity, but HardiePlank’s finish can offer a longer period of low-maintenance beauty. (See Also: Adobe Pro Vs Docusign )

Cost and Installation

The initial cost can vary, but generally, LP Smart Siding is considered more budget-friendly than James Hardie. This price difference can be significant for larger projects. Installation costs can also be influenced by the material. LP Smart Side is lighter and easier to cut, which can sometimes translate to lower labor costs. However, the expertise of the installer is crucial for both products to ensure proper fitting and sealing, especially for HardiePlank to avoid cracking.

Aesthetics and Design Options

Both LP Smart Siding and James Hardie offer a wide range of styles, textures, and colors to suit various architectural designs. LP Smart Siding often mimics the look of natural wood very effectively, with options for different wood grains and profiles. James Hardie is renowned for its authentic wood-like appearance and its extensive palette of colors, including sophisticated shades. The choice often comes down to personal preference and the specific aesthetic goals for the home’s exterior.

Who Should Buy What?

Buy LP Smart Side If…

  • You are looking for a more budget-friendly option that still offers excellent durability and a wood-like appearance.
  • Ease of installation is a priority, as its lighter weight can make the process more manageable for DIYers or reduce labor costs for professional installers.
  • You prefer a siding material that is known for its superior moisture resistance and protection against termites.
  • You want a product with a longer warranty period, offering peace of mind for a longer duration.

Buy HardiePlank If…

  • Maximum durability and impact resistance are your top concerns, especially in areas prone to severe weather like hail.
  • You prioritize a non-combustible material for enhanced fire safety and peace of mind.
  • You are willing to invest a bit more for a product known for its exceptional longevity and resistance to extreme conditions.
  • You are looking for a wide variety of styles and textures that closely replicate traditional wood siding.

Frequently Asked Questions

What is the primary difference between LP Smart Siding and Hardiplank?

The fundamental difference lies in their material composition. LP Smart Siding is an engineered wood composite, treated for resistance to moisture and pests. HardiePlank (James Hardie) is a fiber cement siding, made from cement, sand, and cellulose fibers, making it inherently more resistant to fire, rot, and extreme weather. This difference impacts their durability, maintenance, and cost. (See Also: 40 Vs 32 Tv )

Which siding is more durable in extreme weather?

While both are durable, HardiePlank generally has an edge in extreme weather resistance. Its fiber cement composition makes it less susceptible to damage from hail, high winds, and impact compared to engineered wood products like LP Smart Siding. LP Smart Siding is robust, but in areas prone to severe storms, HardiePlank often proves to be the more resilient choice.

What are the typical maintenance requirements for each?

LP Smart Siding usually requires repainting every 7-10 years to maintain its appearance and protection. HardiePlank, especially with their ColorPlus® Technology, offers superior fade resistance and can go longer between full repaints, sometimes 15-20 years, though occasional cleaning is recommended for both. Both are low-maintenance compared to traditional wood.

Is one siding product more cost-effective than the other?

In terms of initial material cost, LP Smart Siding is often more budget-friendly than HardiePlank. However, the overall cost can be influenced by installation labor, the chosen finish (e.g., pre-colored HardiePlank vs. painting LP Smart Siding after installation), and long-term maintenance expenses. For some, the extended lifespan and reduced repainting of HardiePlank can make it more cost-effective over time. (See Also: Lansky Vs Work Sharp )

Which siding offers a more natural wood look?

Both products excel at mimicking the look of natural wood. LP Smart Siding is specifically engineered to replicate wood grain and texture effectively. James Hardie is also highly regarded for its authentic wood-like appearance, often indistinguishable from real wood to the untrained eye. The “best” look often depends on the specific product line and the desired aesthetic detail.

Final Verdict

Both LP Smart Siding and James Hardie (HardiePlank) are excellent choices for modern home exteriors, offering superior durability and lower maintenance than traditional wood. However, for homeowners prioritizing ultimate resilience against extreme weather, fire, and long-term fade resistance with minimal repainting, James Hardie’s fiber cement siding stands out. Its proven performance in harsh conditions and advanced color technology make it the more robust and enduring option for many.

Winner: Hardiplank