Warranties

Roofing Warranties Explained

A new roof comes with two warranties. The manufacturer covers the shingles, the installer covers the work, and the strongest coverage depends on who installs. Both explained in plain terms, sourced from the manufacturers.

Updated July 30, 2026

Transfers

Are roof warranties transferable?

It depends on the specific warranty. Transferable coverage survives the sale of the home, non-transferable coverage ends with the original owner, and the conditions of any transfer are set by the written terms, so confirm transferability in writing before you rely on it.

Manufacturer vs. Workmanship

Two documents, two different protections

Roofing warranties explained in plain words

A roofing warranty is really two promises from two different parties. The manufacturer’s warranty covers the shingle or panel itself failing prematurely. The workmanship warranty covers the installation, and it only lives as long as the installer stands behind it. Most homeowner disappointment comes from mixing the two up, missing the registration window, or an installation detail that voids manufacturer coverage entirely. The sections below walk each piece with documentation you can keep.

Manufacturer Warranty

This one covers the shingles themselves. If the material cracks, loses granules, or fails from a manufacturing defect, the maker covers it, for a term they set (often 20 to 50 years by product tier). The catch most homeowners miss: the better tiers usually require a manufacturer-certified installer to stay valid. GAF, Owens Corning, CertainTeed, and Atlas each publish those requirements on their own sites.

Workmanship Warranty

This one covers the installation. If a leak comes from bad flashing, wrong fastening, or a ventilation mistake, the workmanship warranty is what pays to fix it. It comes from whoever installs the roof, and it is a separate document from the manufacturer warranty. Terms vary widely, so get it in writing as part of the scope of work.

Same Shingle, Different Warranty

The warranty tier is set by the installer, not the shingle

Here is the part almost no one explains. Any roofer can buy and install a top brand of shingle. But the warranty you actually get is decided by that contractor’s certification level with the manufacturer, not by the shingle in the box. The same shingle, installed by three different roofers, can carry three very different warranties.

Both GAF and Owens Corning state this directly. GAF’s strongest homeowner coverage, the Golden Pledge, is available only through a GAF Master Elite contractor. According to GAF’s warranty documentation, its enhanced warranties "are only available through GAF certified roofing contractors." Owens Corning’s top Platinum Protection warranty is limited the same way, to its Platinum Preferred contractors, described by Owens Corning as the only roofers authorized to provide extended warranty protection. So the first question to ask a roofer is not which shingle they sell. It is which manufacturer warranty they are certified to register.

How the Coverage Stacks Up

What the major manufacturers actually offer

Every maker follows the same basic ladder. There is a base warranty anyone can get, then stronger tiers that add workmanship coverage and require a certified installer and a full set of the maker’s own components. The Roof Shepherd installs GAF most often, chosen for the strength of its warranty program, so GAF leads the table below. The others follow so you can compare honestly.

Manufacturer	Top Homeowner Warranty	Workmanship Term	Who Can Install It
GAF	Golden Pledge (non-prorated 50-yr material)	25 years	GAF Master Elite (top tier)
GAF	Silver Pledge	10 years	GAF Certified or Master Elite
Owens Corning	Platinum Protection (50-yr material)	25 years, backed by OC	Platinum Preferred (top ~1%)
Owens Corning	Preferred Protection	10 years	Preferred or Platinum contractor
CertainTeed	SureStart PLUS (Integrity Roof System)	up to 25 years	SELECT ShingleMaster
Atlas	Signature Select (with Class 4 lines)	varies by program	Atlas-certified contractor
Malarkey	Certified Pro Warranty (extended coverage)	varies by program	Malarkey Certified Pro

Top tiers require the roof to be installed as a complete system using the maker’s own accessories (starter strip, underlayment, ridge cap, ventilation). Verify any certification yourself on the maker’s published contractor locator; a credential that cannot be found there is a claim, not a credential. Sources: GAF, Owens Corning, Atlas Roofing. Confirm the exact current terms with your contractor before signing.

Prorated & Transferable

The two words that decide what a warranty is really worth

Non-prorated means full value. If a covered defect happens, a non-prorated warranty pays 100% of the material cost for the whole term. A prorated warranty shrinks its payout every year, so a claim in year 30 may be worth very little. GAF’s Golden Pledge and Silver Pledge both keep materials non-prorated for the full 50 years, which is a real upgrade over the base warranty that starts prorating after year 10.

Transferable means it survives the sale. A transferable warranty can pass once to the next owner, usually within a short window (often 60 days) and sometimes for a fee. That is a genuine selling point when you list the home. Confirm the window and any fee in writing before you count on it.

Impact-Resistant Shingles & Insurance

In Texas, a Class 4 roof can lower your premium

Texas hail makes this practical, not academic. Many Texas carriers reduce your homeowner premium for a Class 4 impact-resistant roof, the highest rating on the UL 2218 scale documented by the Insurance Institute for Business & Home Safety. The discount is real but it is not fixed: it runs roughly 15% to 35% depending on your carrier, and the only way to know your number is to ask your insurance company in writing. In one Leander case we documented, the carrier’s discount was 15%, about $312 a year, which paid back the upgrade in under eight years. Your carrier may differ, so get it in writing before you choose materials, and confirm the specific product’s Class 4 rating, since not every impact-resistant shingle is Class 4.

How impact ratings work Hail & insurance guide

Before You Sign

Three things to confirm in writing

Certification status: If the warranty tier needs a certified installer, get written proof your roofer holds that exact certification, and that they will register the warranty in your name.
Transferability: Confirm whether it transfers to a future buyer, the notification window, and any transfer fee.
Workmanship term & scope: Get the length and exactly what it covers in writing. Verbal promises generally are not enforceable.

Sources

Sources & how this was verified

Every figure on this page came straight from the makers. The warranty details are drawn from the manufacturers' own published warranty documents and from the standards bodies that define impact ratings. Reviewed and field-contextualized for Central Texas by David Rodrigues, The Roof Shepherd.

GAF Residential Warranties (gaf.com): Golden Pledge, Silver Pledge, System Plus, WindProven; contractor-certification requirements.
Owens Corning Roofing Warranties (owenscorning.com): Standard, System Protection, Preferred, Platinum Protection tiers.
Atlas Roofing, Pinnacle Impact (atlasroofing.com): UL 2218 Class 4 rating and Signature Select system warranty.
Insurance Institute for Business & Home Safety (ibhs.org): the UL 2218 impact-resistance test and Class 1 to 4 scale.

Warranties

Frequently asked questions

What’s the difference between a manufacturer warranty and a workmanship warranty?

A manufacturer warranty covers defects in the roofing material itself and is provided by the shingle or product manufacturer. A workmanship warranty covers installation errors and is provided by the installing contractor. Both matter, and they are not the same document.

Does a manufacturer warranty require a certified installer?

The strongest tiers usually do. GAF’s Golden Pledge requires a Master Elite contractor, and Owens Corning’s Platinum Protection requires a Platinum Preferred contractor. Base warranties can be installed by anyone following the maker’s instructions, but the enhanced coverage, including workmanship, is unlocked by the contractor’s certification. Confirm certification before work begins.

What do "prorated" and "non-prorated" mean?

Non-prorated means the warranty pays the full material cost for the whole term if a covered defect occurs. Prorated means the payout drops each year, so a late claim may be worth little. The strongest warranties keep materials non-prorated for the full term.

Is a roofing warranty transferable if I sell my home?

Many are transferable once to a new owner, often within a set window (frequently 60 days) and sometimes for a fee, but this varies by manufacturer and tier. The material coverage usually transfers; the workmanship portion sometimes does not. Confirm in writing before relying on it as a selling point.

Do impact-resistant shingles lower my insurance in Texas?

Often, yes. Many Texas carriers offer a premium reduction for a Class 4 impact-resistant roof, commonly in the range of about 15% to 35% depending on the carrier. The exact figure is set by your insurer, so confirm it in writing with your own carrier, and make sure the specific product carries a UL 2218 Class 4 rating.

What voids a roofing warranty?

Common warranty-voiding issues include improper installation, inadequate attic ventilation, unapproved repairs by other contractors, mixing in non-manufacturer components on a system warranty, and roof-mounted additions (solar, satellite dishes) installed without following manufacturer guidelines. Coordinate any later rooftop work through your roofer to preserve coverage.

How long should I keep my warranty paperwork?

For the life of the roof, plus the warranty term. Keep the manufacturer warranty registration, the workmanship warranty from your installer, and the final invoice and scope of work together, ideally with your homeowner’s insurance records.

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