If you’ve ever tried to read a siding warranty, you probably know they’re written in some combination of legalese and ancient runes. Despite how tough they are to understand, they’re also one of the most critical parts of protecting your home. A siding upgrade is a major investment, so you need to understand your warranty to protect the investment long-term.
When a warranty says something is covered, it means the manufacturer will pay to repair or replace that specific issue according to the terms of the agreement. If it’s not covered, the claim is denied and costs fall to you.
Warranties can be confusing, full of exclusions and wildly different from one manufacturer or contractor to another. So we’re going to break down what siding warranties actually cover, what they don’t and how to avoid expensive surprises down the road.
The Three Layers of a Siding Warranty
Here’s the simple breakdown we give every homeowner:
Three typical layers of warranty protection can come with exterior work, each covering a different part of the job.
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Product Warranty
This warranty comes directly from the siding manufacturer. It covers
manufacturing defects—issues caused by something that went wrong during
the production process.Typically covers:
- Material defects that cause early failure
- Buckling, cracking, or fungal decay when caused by a defective product
- Termite-resistant or decay-resistant guarantees
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Labor Warranty
A labor warranty covers installation costs. This warranty typically applies
when a manufacturer-approved product fails due to a defect, such as faulty
siding, caulk, trim, or related materials. Since labor is often more expensive
than the material itself, this is a crucial layer of protection.Covers:
- Installation-related failures tied to defective products
- Incorrect fastening or spacing
- Issues caused by poor sealing or moisture management
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Workmanship Warranty
This comes from the contractor and is their promise that the work meets professional and manufacturer standards. A workmanship warranty covers errors caused by the installer, not the product itself.
Covers:
- Replacement materials needed because of faulty installation
- Labor required to re-install
- Damage caused by the installation error
At O.C. Taylor, workmanship coverage is 10 years, which is significantly longer than most contractors in the Triangle.
Understanding which layers your warranty offers is crucial to protecting your investment, so always ask your contractor if you have any questions.
Full vs. Prorated Coverage
When you compare siding warranties, the biggest difference comes down to how much protection you have as the years go by. A full warranty keeps your coverage at 100% for the entire term, while a prorated warranty slowly reduces how much the manufacturer pays as the product ages. Understanding this difference helps you know what your real out-of-pocket cost could be if something goes wrong down the road.
Full Warranty
- Provides 100% coverage for qualifying repairs or replacements throughout the entire warranty period
- Often includes both materials and labor, creating predictable long-term costs
- Offers maximum financial protection if a failure occurs later in the product’s life
- Usually comes with a higher upfront cost due to the stronger coverage
Prorated Warranty
- Coverage decreases over time, meaning you pay a larger share as the product ages
- The manufacturer may cover only a small percentage of materials in later years
- Lower upfront cost, but potentially higher out-of-pocket expense if repairs are needed in the second half of the warranty
- Common for products with predictable aging patterns, such as roofing materials, batteries or certain siding lines
Four Common Misconceptions Homeowners Have About Siding Warranties
We’ve walked countless homeowners through warranty claims, and over time, we’ve seen some of the same misconceptions pop up. Here are a few:
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“Lifetime means for as long as I own my home.”
Nope. “Lifetime” means the expected life of the product, as defined by the manufacturer, not your lifetime. -
“Warranties transfer fully to the next homeowner.”
Some do, many don’t. Others reduce coverage after the first transfer. -
“Maintenance isn’t a big deal.”
Manufacturers can void coverage if you don’t follow required maintenance—such as annual low-pressure cleaning, preserving paint coatings or following specified storage/installation rules. -
“My contractor handles everything.”
In reality, many contractors pass warranty claims back to the homeowner. Except at O.C. Taylor! We’ll handle the claim directly with the manufacturer on your behalf.
With that in mind, let’s break down how the warranties from some of the country’s most widely used siding manufacturers actually compare.
James Hardie Warranty Overview
James Hardie provides a 30-year prorated product warranty for its fiber-cement siding and a 15-year warranty for ColorPlus finishes. The coverage applies to manufacturing defects and includes resistance to hail and termites. Hardie may replace the defective siding, reimburse product costs or pay up to twice the original retail price of the material. Labor is included in some circumstances, but not all. Coverage depends heavily on proper installation.
What is covered
- Manufacturing defects such as cracking, warping, rotting, delamination or other factory-related failures
- Hail resistance within Hardie’s stated thresholds
- Termite resistance
- ColorPlus finish protection against peeling, chipping and excessive fading
- Hardie’s chosen remedy of product replacement, limited reimbursement or cost coverage
What is not covered
- Improper installation or failure to follow Hardie’s guidelines
- Neglect, insufficient care, or homeowner abuse
- Damage from severe weather, including hurricanes, tornadoes, flooding or earthquakes
- Structural issues, such as foundation settling that stress the siding
- Unauthorized alterations, such as repainting or modifying the siding finish
- Any additional costs beyond the repair or replacement of defective siding
CertainTeed Warranty Overview
CertainTeed offers a prorated warranty for single-family homes that covers manufacturing defects, hail resistance and excessive fading. The warranty is transferable once and begins as non-prorated for the original owner. Paint or coating applied after installation voids the finish portion of the warranty.
What is covered
- Manufacturing defects in material and workmanship
- Hail damage within CertainTeed’s guidelines
- Excessive fading beyond normal color change
- Transferability to the next homeowner for single-family residences
- Non-prorated coverage for the original homeowner
What is not covered
- Structural or installation-related issues with framing, substrate or foundation
- Damage from external heat sources
- Chemical damage from stains, grease or corrosive substances
- Any siding that has been painted or coated
- Normal weathering and routine aesthetic wear
- Damage from acts of nature such as storms, lightning or tornadoes
Alside Warranty Overview
Alside provides a prorated lifetime warranty for the original homeowner and a 50-year prorated warranty for the next owner. Coverage focuses on defects such as blistering, corroding, peeling and flaking under normal use. Hail damage is also included. Installation quality is not covered and the warranty excludes a wide range of environmental and maintenance-related conditions.
What is covered
- Manufacturing defects, including blistering, flaking, corroding and peeling
- Hail damage within Alside’s specifications
- A transferable 50-year prorated warranty for subsequent homeowners
What is not covered
- Any damage caused by improper installation
- Normal weathering, such as fading, chalking or surface dirt
- Impact damage from fire, flooding, vandalism or foreign objects
- Heat distortion from grills or reflected window heat
- Damage caused by failure to clean or maintain the siding
- Any issues once the siding has been painted or altered
LP® SmartSide® Warranty Overview
LP® SmartSide® carries a 5-year full labor-and-material warranty, followed by a 50-year prorated material warranty. Coverage includes delamination, buckling, rot and hail damage up to 1.75 inches. SmartSide® products are treated through the SmartGuard® process to resist termites and fungal decay. LP®’s warranty is straightforward and easy to understand, making it one of the most homeowner-friendly options on the market.
What is covered
- Delamination, buckling, rot and other substrate defects
- Five full years of labor and material coverage
- Fifty years of prorated material replacement
- Hail damage up to 1.75 inches
- Termite resistance when properly installed and maintained
What is not covered
- Damage from improper installation
- Failure to maintain the siding or address moisture or ventilation issues
- Improper storage before installation
- Damage from external factors not related to manufacturing defects
- Abuse, neglect or alterations outside LP’s maintenance guidance
O.C. Taylor’s Guarantee
Even the best siding warranties can fall short if the product isn’t installed correctly or maintained properly. That’s why O.C. Taylor focuses on precise installation, clear documentation and helping homeowners understand what their warranty covers and what it doesn’t. Brent brings decades of hands-on experience to every project and every question.
Want to make sure your siding and warranty hold up over time? Get a free quote from us and feel confident in your home’s exterior and security.