Texas has no state roofing license. Manufacturer certification is the standard that can actually be revoked.

There is no state exam, no state board, and no statewide license for the state to pull. Licensure in Texas is handled locally instead: many municipalities require contractor registration or a city license, and that local standing is what makes a contractor eligible to pull a permit on your house. It is a real check, and it is worth confirming. But it varies city to city and there is no single state authority behind it, which is why enforcement is thin and why storm-chasing crews operate so freely in Central Texas.

What remains checkable is narrower and more useful: a permanent local address, current insurance certificates, a track record you can look up, and manufacturer certification. Of those, certification is the only one that involves an outside body actively holding a contractor to a standard. These programs require training, they impose insurance and financial-stability requirements, they audit installed work, and they can be — and are — withdrawn. A certification is not a logo a contractor buys and pastes on a truck. It is a relationship with a manufacturer who has a warranty balance sheet at risk if the installation is wrong. See the compliance detail on Jose's page for the rest of what actually governs roofing work in Texas.

The other thing homeowners are rarely told is that these certifications are graded. Manufacturers run multiple levels. The top tiers are limited by territory and carry higher standards, and the enhanced system warranties — the ones covering both material and workmanship for decades rather than material defects alone — are generally only available through contractors at those top tiers. So the certification is not a badge. It determines which warranty you are eligible to be issued.

Every shingle comes with a standard product warranty from the manufacturer. It covers manufacturing defects in the material. That sounds reassuring until you look at why roofs actually fail: manufacturing defects are a small fraction of it. Roofs fail at the details — flashing at walls and chimneys, valleys, penetrations, nailing pattern, ventilation. All of that is workmanship, and a standard product warranty does not touch it.

An enhanced system warranty does. It covers workmanship in addition to material, and in exchange the manufacturer requires the assembly to be built from their components — underlayment, starter course, ventilation, hip and ridge, not only the field shingle. That is why the whole-system specification on a quote matters, and why a quote listing only a shingle name is not describing a warrantable system.

Those enhanced warranties are only offered through certified contractors at the appropriate tier. An uncertified installer can buy and install the same shingle; they cannot register the warranty that covers their own work.

GAF is the clearest worked example. Standard GAF certification allows a contractor to offer the System Plus limited warranty. Certified Plus — the tier we hold — is what makes the Silver Pledge warranty available. Same shingle, same house, same crew: the tier the contractor holds is what decides which warranty document you can actually be issued.

One last thing, and it is the one that gets missed most often: the warranty has to be registered with the manufacturer in your name. It does not attach automatically because a certified contractor did the job. Ask for the registration confirmation, get it in writing, and keep it with your house documents. An unregistered warranty is worth nothing at exactly the moment you need it.

A manufacturer-backed system warranty ranks above any contractor's own warranty for one reason: it survives the contractor. If a roofing company closes, changes hands, or simply stops answering the phone, a warranty backed by Owens Corning or GAF is still honored. A contractor's warranty is only worth as much as the contractor still being in business, and that is as true of ours as it is of anyone's.

Atrium holds Owens Corning Platinum Preferred, the top tier of the Owens Corning contractor network, which makes the enhanced Owens Corning system warranty available on our installs. We also hold GAF Certified Plus, which makes the GAF Silver Pledge available. These system warranties cover material and, at these tiers, workmanship, and they are registered with the manufacturer in your name.

At equivalent tiers, the major manufacturers' architectural shingles perform broadly comparably. Marketing works hard to suggest otherwise, but the decisions that actually drive how long a roof lasts in Central Texas are impact rating, attic ventilation, and installation quality. A premium shingle over a poorly ventilated attic with sloppy flashing will fail before a mid-tier shingle installed correctly.

That said, genuine product differences do exist and are worth knowing about. Malarkey's polymer-modified (rubberized) asphalt is one: it is measurably more impact-resistant and stays more flexible than standard oxidized asphalt. UL 2218 Class 4 impact rating is the other, and it is available across brands — in a hail market that rating usually matters more to your outcome, and to your insurance premium, than which name is on the bundle.

For the wider comparison, see roofing materials, our head-to-head on Owens Corning vs GAF, and hail damage for how impact rating plays out after a storm.