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LP SmartSide vs James Hardie: which siding wins in Minneapolis?

LP SmartSide and James Hardie are the two siding products Modern Exterior Systems (Modex) installs most in Minneapolis. LP SmartSide is engineered wood — lighter, easier to install, lower cost ($14K–$28K typical). James Hardie is fiber cement — heavier, longer-lasting, premium price ($18K–$38K typical). Both carry 30-year warranties. LP wins on value; Hardie wins on premium positioning and durability.

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LP SmartSide or James Hardie?

I install both LP SmartSide and James Hardie on Twin Cities homes. Here's when each wins, and what I tell customers asking which to choose.

Honest comparison

Material specs and performance

Both are premium options

Product image 1

LP SmartSide

Engineered wood substrate

OSB with zinc borate treatment

$7–$12 per square foot

Installs in 1.5–2 weeks

1.5–2 weeks

50-year substrate warranty

50 years

ExpertFinish factory paint

15+ years

Lighter, easier to cut

Accepts paint readily

Faster installation labor

Lower total project cost

Product image 1

James Hardie

Fiber cement substrate

Portland cement and cellulose

$9–$15 per square foot

Installs in 2–3 weeks

2–3 weeks

30-year substrate warranty

30 years

ColorPlus factory paint

15+ years

Non-combustible material

Zero water absorption

Superior UV stability long-term

Stronger resale comp value

Honest comparison

The honest-broker opening

Most LP versus Hardie comparisons are written by contractors who install only one. I install both. Modern Exterior Systems (Modex) holds LP SmartSide Certified Installer and James Hardie Preferred Contractor certifications. I have no stake in which one you choose—only in the right recommendation for your home.

Why this matters

You're comparing two premium materials with real differences in cost, durability, and resale value.

What you'll learn

Material specs, installation timelines, warranty depth, long-term performance in Minnesota freeze-thaw cycles, and when each wins.

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Material breakdown

What you're actually buying

LP SmartSide is engineered wood. James Hardie is fiber cement. The substrate difference drives everything else—cost, installation speed, long-term behavior, and how your home looks in year fifteen.

LP SmartSide

OSB substrate treated with zinc borate for moisture and termite resistance, resin-bonded and pressure-formed into planks.

James Hardie

Portland cement, sand, and cellulose fibers pressed into planks. Non-combustible, absorbs zero water, doesn't expand or contract with humidity.

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Cost reality

Where the price gap shows up

LP SmartSide runs $7–$12 per square foot installed. James Hardie runs $9–$15 per square foot. On a full house in the Twin Cities, that's typically $20K–$55K for LP and $30K–$80K for Hardie. The gap widens with square footage.

Why Hardie costs more

Heavier planks, specialized cutting equipment with dust collection, slower installation labor, and higher material cost per unit.

LP SmartSide advantage

Lighter material, faster cuts, quicker installation, lower labor hours per square foot, and lower total project cost.

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Installation timeline

How long your project takes

LP SmartSide typically installs in 1.5–2 weeks for a full house. James Hardie typically takes 2–3 weeks. The difference is material weight, cutting complexity, and handling care. Both timelines assume good weather and standard crew size.

LP SmartSide speed

Lighter planks, easier cuts, faster fastening, and less dust management mean quicker installation and faster project completion.

Hardie installation

Heavier planks require careful handling, fiber-cement dust collection is mandatory, cuts take longer, and crews move deliberately to avoid breakage.

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Warranty and durability

What the manufacturers promise

LP SmartSide offers a 50-year limited substrate warranty plus ExpertFinish factory paint for 15+ years. James Hardie offers a 30-year limited substrate warranty plus ColorPlus factory paint for 15+ years. On paper, LP wins on substrate years. Both are equivalent on factory paint.

Real-world Minnesota

Both handle freeze-thaw cycles well. LP SmartSide holds dimensional stability through the cycle. Hardie's cement substrate doesn't absorb water, giving it an edge in UV stability over twenty-plus years.

What I see at year fifteen

Hardie typically still looks newer than equivalent-age LP installs. Both are solid performers, but Hardie's non-porous substrate shows less weathering and color fade.

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Resale and market value

Which one adds more to your home's value

James Hardie has historically carried more weight in Twin Cities real estate comps. Homes in Edina, Wayzata, and Country Club neighborhoods often note Hardie siding specifically as a value-add. LP SmartSide is increasingly accepted but doesn't yet carry the same listing-comp premium.

Timeline matters

If you're staying fifteen-plus years, LP SmartSide with ExpertFinish is the lowest-cost premium option. If you're five to ten years from selling, Hardie's resale uplift might justify the cost premium.

My recommendation

I tell both stories at quote time. The wrong move is choosing on price alone without thinking about your ownership timeline and neighborhood comps.

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Material

LP SmartSide or fiber cement

Both materials perform well in Minnesota. The choice comes down to budget, timeline, and how long you plan to stay in your home.

LP SmartSide

Engineered wood that accepts paint readily and installs faster than fiber cement.

James Hardie

Fiber cement that doesn't absorb water and holds its color longer than engineered wood.

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Real homes

Twin Cities projects in both materials

Questions

Common questions about LP SmartSide and James Hardie siding

What's the actual cost difference?

LP SmartSide runs $7–$12 per square foot installed; James Hardie runs $9–$15. Full-house Twin Cities install: LP typically $20K–$55K, Hardie $30K–$80K. The gap shows up in the line-item quote—material cost is part of it, longer install time is the other part.

Which lasts longer in Minnesota?

Both handle freeze-thaw cycles well when installed correctly. LP SmartSide carries a 50-year limited substrate warranty; Hardie's is 30 years. But Hardie's cement substrate doesn't absorb water, giving it an edge in long-term UV stability. After 20+ years on Twin Cities homes, Hardie typically still looks newer.

Does either qualify for IRA tax credit?

No. The federal IRA 25C tax credit covers windows, doors, insulation, and certain HVAC equipment—not siding, regardless of brand or energy performance. If a contractor mentions tax credit eligible siding, that's not accurate. The credit is real, but it doesn't apply to siding.

Do I need a certified installer?

Yes, for full manufacturer warranty registration on both. LP SmartSide requires a Certified Installer to register the 50-year substrate warranty. James Hardie requires a Preferred Contractor to register the HardieZone climate warranty and ColorPlus paint warranty. Modex holds both certifications.

What about Diamond Kote versus ColorPlus?

Both are factory-applied prefinish systems on different substrates. LP SmartSide Diamond Kote is a prefinish layer on engineered-wood substrate. James Hardie ColorPlus is Hardie's proprietary factory paint on fiber cement. Both carry 15+ year paint warranties. The substrate differences matter more than the prefinish choice.

More questions?

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Contact

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Get a quote from Modex and we'll walk you through both options with real numbers for your home.

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About

Reviewed by Joe Dvorak, owner

I've installed both LP SmartSide and James Hardie on Twin Cities homes for years. Modex holds LP SmartSide Certified Installer and James Hardie Preferred Contractor certifications. I have no stake in which one you choose—only in the right recommendation for your home. Updated May 2026.

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