Professional Siding Replacement for Long Island Homes

Your siding is the primary barrier protecting your walls, insulation, and framing from moisture, wind, and pests. When it fails, the damage can be exponentially more expensive than the replacement itself.

$750 OFF

Siding Replacement

$1,000 OFF

Complete Re-Roof

$500 OFF

Chimney Rebuild

Limited time. Mention at estimate. Cannot be combined.

Long Island Exterior Co. provides complete siding replacement and installation services across Nassau County and Suffolk County. We work with every major siding material — from budget-friendly vinyl to premium James Hardie fiber cement — and install everything with our trained in-house crew. No subcontractors, no shortcuts.

Call (516) 518-3353 for a free siding inspection and estimate, or use the form to get started.

When Does Your Siding Need Replacement?

Siding deterioration is often gradual, which makes it easy to overlook until the damage becomes severe. Here are the warning signs that your Long Island home's siding is due for replacement:

Warping, buckling, or bulging: Panels that no longer sit flat against the wall are allowing moisture behind the surface — a precursor to sheathing rot and mold growth.
Cracking or splitting: Common in aging vinyl (which becomes brittle after 20+ years of UV exposure) and in wood siding that has lost its protective finish.
Fading and chalking: While cosmetic, severe fading indicates the UV-protective layer has degraded, and the siding is no longer performing at its engineered capacity.
Rot or soft spots: Press on your siding in multiple locations. If it gives or feels spongy, moisture has penetrated. This is especially common on the west- and south-facing walls of Long Island homes that take the most weather.
Mold, mildew, or fungal growth: Persistent growth despite cleaning indicates moisture is being trapped behind or within the siding system.
Rising energy bills: Deteriorated siding allows air infiltration, reducing the effectiveness of your wall insulation. If your heating and cooling costs have increased without explanation, your siding may be the culprit.
Pest entry: Carpenter ants, wasps, and other pests exploit gaps and deteriorated areas in failing siding. If you are seeing pest activity around your walls, compromised siding is often the entry point.
Interior paint peeling or wallpaper loosening: This can indicate moisture migrating through your exterior walls from failed siding.

Siding Materials We Install

Long Island Exterior Co. installs every major category of residential siding. Here is a comprehensive overview of each material, its characteristics, and how it performs in Long Island's climate.

Vinyl Siding

Vinyl remains the most widely installed siding material on Long Island and across the Northeast. Modern vinyl siding has evolved significantly from the thin, easily-dented panels of the 1980s and 1990s.

Maintenance: Virtually zero — periodic cleaning with a garden hose is all that is needed
Durability: Premium vinyl panels (0.044" to 0.046" thickness) resist impact, fading, and warping
Warranty: Limited lifetime from major manufacturers (CertainTeed, Alside, Norandex)
Cost: $4.00 to $8.00 per square foot installed
Best for: Budget-conscious projects, rental properties, homes where low maintenance is the priority

We exclusively install premium-grade vinyl (minimum 0.044" thickness) with hidden fastening systems and foam backing when specified. Thin, builder-grade vinyl is not something we carry or recommend.

Insulated Vinyl Siding

Insulated vinyl siding pairs a premium vinyl panel with a contoured foam insulation backer that eliminates the hollow feel of standard vinyl, adds R-value to your walls, and significantly reduces outside noise transmission.

R-value added: R-2 to R-5, depending on the product and foam density
Impact resistance: 200% to 400% better than standard vinyl due to the foam backing
Sound dampening: Noticeable reduction in exterior noise — a benefit for homes near the LIRR, highways, or busy roads
Cost: $6.00 to $10.00 per square foot installed
Best for: Long Island homeowners who want vinyl's low maintenance with improved energy performance

James Hardie Fiber Cement Siding

James Hardie is the gold standard of fiber cement siding and our most-recommended material for Long Island homeowners who want a premium, long-lasting exterior. Hardie siding is composed of Portland cement, sand, cellulose fibers, and water — creating a product that is dimensionally stable, fire-resistant, and impervious to rot and insect damage.

Climate-engineered: Hardie's HZ10 formulation is specifically designed for our Mid-Atlantic climate zone with freeze-thaw resistance
Fire rating: Non-combustible — rated for 0-foot lot-line construction in many jurisdictions
ColorPlus finish: Factory-applied, multi-coat finish with a 15-year color warranty and resistance to fading, chipping, and peeling
Profiles available: HardiePlank lap siding, HardieShingle shake panels, HardiePanel vertical siding, and HardieTrim boards
Warranty: 30-year non-prorated substrate warranty
Cost: $9.00 to $14.00 per square foot installed
Best for: Homeowners prioritizing long-term value, fire safety, and a painted-wood aesthetic without the maintenance

Long Island Exterior Co. is a James Hardie Elite Preferred Contractor, ensuring your installation meets Hardie's highest quality standards and qualifies for their best warranty programs.

LP SmartSide Engineered Wood Siding

LP SmartSide is an engineered wood product that combines the warmth and workability of real wood with enhanced durability through LP's SmartGuard process, which treats the wood fibers with a zinc borate compound to resist fungal decay and termite damage.

Appearance: Deep cedar grain texture with a natural wood look that surpasses vinyl and rivals Hardie
Weight: Lighter than fiber cement, which can simplify installation on some structures
Workability: Cuts and fastens like real wood — excellent for custom trim and complex architectural details
Warranty: 50-year limited substrate warranty with 5-year finish warranty (field-painted) or 15-year (factory-primed ExpertFinish)
Cost: $7.00 to $12.00 per square foot installed
Best for: Homeowners who want a real-wood aesthetic with engineered durability

Board-and-Batten Siding

Board-and-batten is a vertical siding style that creates a bold, architectural statement. Wide boards are installed vertically with narrow battens covering the seams. This style is increasingly popular on Long Island for modern farmhouse designs, gable accents, and mixed-material facades.

Board-and-batten is available in vinyl, fiber cement (HardiePanel), and LP SmartSide. We frequently combine board-and-batten accents with horizontal lap siding on the main body for a contemporary look. Cost ranges from $6.00 to $14.00 per square foot depending on the material.

Cedar Shake Siding

Natural cedar shake siding is a timeless choice that suits Long Island's coastal and historic home styles. Cedar is naturally resistant to insects and rot (when properly maintained), and it develops a beautiful silver-gray patina over time in our marine climate.

Aesthetics: Unmatched natural beauty — ideal for Hamptons-style, Nantucket-style, and historic homes
Maintenance: Requires staining or treatment every 3 to 5 years to maintain durability
Lifespan: 30 to 40 years with proper maintenance
Cost: $10.00 to $18.00 per square foot installed
Considerations: Some Long Island municipalities have fire code restrictions on wood siding; check with your local building department

Siding Replacement Cost Guide for Long Island

The table below provides estimated pricing for siding replacement on a typical Long Island home with approximately 1,500 square feet of wall area. Final cost depends on home size, stories, window/door count, trim requirements, and structural repairs.

Material	Cost per Sq Ft	Total Estimate (1,500 SF)	Maintenance	Warranty
Standard Vinyl	$4.00 – $8.00	$6,000 – $12,000	Minimal	Limited Lifetime
Insulated Vinyl	$6.00 – $10.00	$9,000 – $15,000	Minimal	Limited Lifetime
LP SmartSide	$7.00 – $12.00	$10,500 – $18,000	Repaint every 8–10 yrs	50-Year Substrate
James Hardie Fiber Cement	$9.00 – $14.00	$13,500 – $21,000	Repaint every 10–15 yrs	30-Year Non-Prorated
Cedar Shake	$10.00 – $18.00	$15,000 – $27,000	Stain every 3–5 yrs	Varies by manufacturer
Board-and-Batten (Hardie)	$10.00 – $14.00	$15,000 – $21,000	Repaint every 10–15 yrs	30-Year Non-Prorated

* Prices are estimates for the Long Island market as of 2026 and include tear-off, disposal, house wrap, and installation. Trim, soffit, fascia, and structural repairs are additional.

Siding and Energy Efficiency on Long Island

Long Island homeowners face heating costs from October through April and cooling costs from June through September. Your siding system plays a major role in your home's thermal envelope — the boundary between conditioned interior space and the outside environment.

Many older Long Island homes (especially the post-war Cape Cods and ranch homes built in the 1950s and 1960s) were constructed with minimal wall insulation and no house wrap. A siding replacement creates the opportunity to address these deficiencies:

House wrap installation: During tear-off, we install Tyvek or equivalent moisture barrier across the entire exterior. This stops air infiltration while allowing moisture to escape, preventing mold growth within the wall cavity.
Foam sheathing: We can add rigid foam insulation board (1/2" to 1") beneath the new siding for a continuous insulation layer that eliminates thermal bridging through studs.
Insulated siding: Products like CertainTeed CedarBoards and Progressive Foam insulated vinyl add R-value directly to the siding panel.
Sealed penetrations: Every window, door, utility penetration, and transition point is sealed with appropriate flashing and sealant to eliminate air leaks.

The combined effect of these improvements typically reduces heating and cooling costs by 10% to 25% and makes the home noticeably more comfortable — fewer drafts, more consistent temperatures, and reduced HVAC cycling.

The Siding Replacement Process

Here is what to expect when you work with Long Island Exterior Co. on a siding replacement project:

Free inspection and estimate: We assess the condition of your current siding, inspect for underlying moisture or structural damage, and provide a detailed written estimate with material options.
Material and design selection: You choose your siding material, color, and profile. We provide physical samples and can create renderings for multi-material designs. For James Hardie, we offer the full ColorPlus palette.
Permit filing: We handle all building permit applications with your local municipality.
Property protection: Landscaping, windows, and hardscaping are protected with drop cloths and plywood. We coordinate with you on plant and furniture relocation.
Complete tear-off: All existing siding is removed down to the sheathing. This is the critical step that allows us to inspect for rot, moisture damage, and insect intrusion.
Sheathing repair: Damaged OSB or plywood sheathing is replaced. We address any moisture sources before closing the wall back up.
House wrap and flashing: Tyvek (or equivalent) is installed across the entire exterior. All windows, doors, and penetrations receive proper flashing with integration into the drainage plane.
New siding installation: Siding is installed per manufacturer specifications with proper fastening, clearances, and joint treatment. All trim, corners, and transitions are custom-fit.
Soffit and fascia: We replace soffit and fascia boards as needed to complete the exterior envelope.
Final cleanup and inspection: All debris is removed, the property is swept clean, and we conduct a thorough quality inspection.

Long Island-Specific Siding Considerations

Coastal Salt Air Exposure

Long Island's South Shore communities — from Long Beach and Atlantic Beach through Freeport, Seaford, Massapequa, and out to the Hamptons — experience constant salt-laden air from the Atlantic Ocean. Salt air accelerates deterioration of wood siding, causes oxidation of aluminum siding, and can attack fasteners and flashing. For coastal homes, we recommend:

James Hardie fiber cement (inherently salt-resistant)
Premium vinyl with UV and salt-air rated formulations
Stainless steel or hot-dipped galvanized fasteners exclusively
Aluminum trim and flashing (corrosion-resistant) rather than standard galvanized steel

Wind-Driven Rain

Nor'easters and tropical storms drive rain horizontally against your siding at high velocity. Proper installation of a drainage plane (house wrap) with flashing that integrates siding, windows, and doors is absolutely essential. This is one of the primary reasons we recommend full tear-off rather than covering over existing siding — it allows us to build a complete, code-compliant weather barrier.

Asbestos Siding on Older Long Island Homes

Asbestos cement siding was widely used on Long Island homes built between the 1920s and 1970s. These shingle-style panels are distinctive — typically gray, white, or green with a textured surface. If your home has asbestos siding, it must be handled according to EPA and New York State regulations during removal. Long Island Exterior Co. works with licensed asbestos abatement professionals to safely remove and dispose of asbestos siding before installing your new exterior.

Historic District Considerations

Several Long Island communities have historic districts or architectural review boards that regulate exterior modifications. Areas like Garden City, Sea Cliff, Port Washington, and portions of the North Shore may require specific siding materials, colors, or profiles to maintain neighborhood character. We are familiar with these requirements and ensure your siding project complies with all local architectural guidelines.

Frequently Asked Questions About Siding Replacement on Long Island

How much does siding replacement cost on Long Island?

Siding replacement on Long Island typically costs between $8,000 and $35,000 for a standard single-family home, depending on the material and the size of the home. Vinyl siding is the most affordable option at $4.00 to $8.00 per square foot installed. James Hardie fiber cement runs $9.00 to $14.00 per square foot, and LP SmartSide engineered wood costs $7.00 to $12.00 per square foot. We provide free, detailed estimates for every project.

What is the best siding material for Long Island homes?

The best siding for your Long Island home depends on your budget, aesthetic goals, and location. For most homeowners, James Hardie fiber cement siding offers the best combination of durability, appearance, and long-term value — it is fire-resistant, impact-resistant, and immune to the rot and insect damage that affects wood siding. For budget-conscious projects, modern insulated vinyl siding provides excellent energy efficiency and virtually zero maintenance. Coastal homes benefit from fiber cement or engineered wood with enhanced moisture barriers.

How long does siding replacement take on Long Island?

A full siding replacement on a typical Long Island single-family home takes 5 to 10 business days, depending on the home size, material being installed, and weather conditions. Vinyl siding installs fastest, while fiber cement and engineered wood require more labor-intensive processes. Our in-house crew works efficiently without cutting corners, and we protect your property throughout the project.

Do I need a permit for siding replacement in Nassau or Suffolk County?

In most Nassau and Suffolk County municipalities, siding replacement requires a building permit. The requirement varies by town — for example, the Town of Hempstead, Town of Oyster Bay, and Town of Babylon each have their own permit processes. If the project involves any structural changes (e.g., removing asbestos shingles, adding insulation board, or altering window trim), a permit is almost always required. Long Island Exterior Co. handles all permit applications as part of our service.

Can new siding improve my home's energy efficiency?

Absolutely. New siding, particularly insulated vinyl siding or fiber cement with foam-backed sheathing, can significantly reduce thermal bridging and air infiltration. Insulated vinyl siding adds an R-value of R-2 to R-5 to your exterior walls. When combined with a properly installed house wrap and sealed penetrations, many Long Island homeowners report a 10% to 20% reduction in heating and cooling costs. Older homes with no sheathing insulation see the most dramatic improvement.

How does salt air affect siding on Long Island?

Salt air accelerates deterioration in certain siding materials. Wood siding and untreated engineered wood can absorb moisture and develop premature rot or warping. Aluminum siding is prone to oxidation and pitting in salt-heavy environments. Vinyl siding and James Hardie fiber cement are largely unaffected by salt air, making them the top choices for South Shore and waterfront Long Island homes. We always factor in coastal exposure when recommending materials.

Should I replace my siding at the same time as my roof?

Combining a roof replacement and siding replacement into a single project offers several advantages: reduced mobilization and scaffolding costs, a cohesive exterior update, and the opportunity to address any underlying sheathing or insulation issues while the exterior is open. Long Island Exterior Co. offers bundled pricing for combined exterior projects. If your roof is also nearing end of life, this is often the most cost-effective approach.

What happens to my old siding during replacement?

We perform a full tear-off of your existing siding, which allows us to inspect the sheathing, house wrap, and insulation beneath. All old siding is loaded into our dumpster and disposed of in accordance with local regulations. If your home has asbestos-containing siding (common in Long Island homes built before 1980), we follow all EPA and New York State abatement protocols and use a licensed abatement contractor for removal.

Does James Hardie siding work well on Long Island?

James Hardie fiber cement siding is an excellent choice for Long Island homes. It is engineered specifically for our HZ10 climate zone (freeze-thaw, high humidity, coastal exposure) and carries a 30-year non-prorated warranty. Hardie siding resists rot, insect damage, fire, and impact. It holds paint exceptionally well thanks to Hardie's ColorPlus factory-applied finish, which comes with a 15-year color warranty. We are a James Hardie Elite Preferred Contractor.

Can I change my siding style during replacement?

Absolutely. A full siding replacement is the ideal time to update your home's entire exterior aesthetic. Many Long Island homeowners take the opportunity to switch from dated aluminum or aging vinyl to a modern combination of materials — for example, James Hardie lap siding on the main body with board-and-batten accents on gable ends and shake profiles around entryways. We provide design consultations to help you visualize the finished result.

Related Exterior Services

A siding replacement is the perfect time to address other exterior components. Bundling services reduces costs and ensures a cohesive finished product.

Roof Replacement

GAF Master Elite certified. Asphalt, metal, slate, flat roofing, and storm damage repair for Long Island homes.

Chimney Services

Chimney repair, rebuilding, cap installation, flashing, liners, and waterproofing across Nassau and Suffolk County.

Learn More About Siding on Long Island

Visit our blog for detailed guides and expert insights on protecting your Long Island home's exterior:

Why Long Island Homeowners Choose Us

Licensed, insured, and certified — with a decade of protecting Long Island homes.

GAF Master Elite® Certified

Only 1% of roofers nationwide earn this distinction — better materials, stronger warranties, superior workmanship.

Local Long Island Expertise

We understand nor'easters, salt air, ice dams, and the building codes across every Nassau and Suffolk County town.

No Subcontractors — Ever

Every project is completed by our trained, in-house crew. Your home is never handed off to strangers.

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Lifetime Warranty Options

GAF Golden Pledge® lifetime coverage — the industry's strongest manufacturer warranty, available on qualifying installations.

Siding Replacement Service Areas

Long Island Exterior Co. provides siding replacement services across all of Nassau County and Suffolk County — from Great Neck and Manhasset on the North Shore to Long Beach and the Hamptons on the South Shore.

Nassau County

Hempstead, Levittown, Garden City, Freeport, Valley Stream, Massapequa, Rockville Centre, Long Beach, Mineola, Great Neck, and all Nassau County communities.

Suffolk County

Babylon, Huntington, Smithtown, Islip, Commack, Patchogue, Riverhead, Hampton Bays, Southampton, East Hampton, Montauk, and all Suffolk County communities.

Transform Your Home's Exterior

Call us today at (516) 518-3353 or fill out the form above to schedule your free siding inspection and estimate. Expert advice, no obligation.

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