How it works
How you get your last roof.
Metal Roofing Texas supplies the Interlock® aluminum roof for Texas homes, certifies independent Texas roofing contractors on it, and assigns a certified installer to each project. It does not install roofs itself.
ESR-1790
ICC-ES evaluation report (IBC/IRC)
Class 4
UL 2218, verified by Intertek for Delta Building Products
AAMA 2605
Alunar® 70% PVDF coating standard
30 yrs
Alunar® coating warranty
One product, one way to buy it
Metal Roofing Texas is how Texas homeowners buy the Interlock® roof.
Metal Roofing Texas offers the Interlock® aluminum roof, made by Interlock Roofing: interlocking panels, locked on all four edges and fastened out of the weather. This site is for the homeowner searching for where to buy that roof in Texas. You buy the roof through Metal Roofing Texas; a certified Interlock installer, assigned to your project, puts it on.
Texas is hard on a roof in more ways than most states. North and Central Texas sit in the country's busiest large-hail corridor, and the Slate, Cedar Shingle, Shake and Mediterranean Tile profiles carry a UL 2218 Class 4 impact rating verified by Intertek for Delta Building Products. The Gulf Coast takes hurricanes and salt air, and aluminum contains no iron and cannot rust. Everywhere, the sun does the rest: a reflective CRRC-rated color sheds solar heat through a long cooling season. Every roof carries the Guardian Lifetime Limited Material Warranty, which transfers once when you sell.

How it is set up
One manufacturer, one evaluation report, one installer per project
One manufacturer
Interlock Roofing makes the roof in North America: aluminum 3105-H24 / 3003-H24 alloy to ASTM B209, up to 95% recycled content, finished in the Alunar® 70% PVDF coating system, designed and tested to meet AAMA 2605, with a 30-year coating warranty.
One evaluation report
Texas adopts the International Residential Code for one- and two-family homes, and a city building department checks the ICC-ES evaluation report. ESR-1790 covers the Slate, Cedar Shingle, Shake and Mediterranean Tile profiles. Standing seam is outside that report and is not offered through Metal Roofing Texas. In the first-tier coastal counties, TWIA's own product and installation rules also apply.
One installer per project
Metal Roofing Texas certifies independent roofing contractors on the system and assigns one to your project. Texas has no state roofing license; the installer registers where the city requires it, pulls the permit, and signs the contract with you. Certified means certified by the manufacturer on this system.
No borrowed proof
This site publishes no project counts, photo galleries or star ratings, because there is no Texas record to publish yet and another region's roofs would prove nothing about yours. What it shows instead is checkable: the evaluation report, the impact listing and the warranty document.
Credentials
Evaluated, tested and accountable, in writing
Every claim on this page can be checked against a public record, a standards body or the warranty document itself.
An evaluation report you can look up
ICC-ES ESR-1790 is in the ICC Evaluation Service's public directory. It lists the covered profiles, the fastening and the properties evaluated. Check it before any metal roof goes onto a Texas deck, this one included, and because Texas has no state roofing license, check the installer's certificate of insurance and city registration before you sign.
One product, described accurately
Interlocking aluminum panels with concealed fasteners, locked on all four edges. Aluminum contains no iron and cannot rust, which matters on the Gulf Coast. Wind resistance is warranted to 120 mph when installed to manufacturer specification. Class A Fire Rated Available, as a complete assembly over GAF VersaShield (ICC-ES ESR-2053): the classification belongs to the assembly, never to a panel.
Impact-rated, and clear about the scope
The UL 2218 Class 4 impact rating is verified by Intertek for Delta Building Products on the Slate, Cedar Shingle, Shake and Mediterranean Tile profiles. The Guardian warranty covers splitting, cracking and perforation from hailstones up to 1.5 inches; read that line carefully in a state that sees larger hail. Any insurance credit is your carrier's decision.
A material warranty that transfers
The Guardian Lifetime Limited Material Warranty covers material and finish for the original purchaser while they own the home, and transfers once: the second owner is covered to 50 years from substantial completion, if the transfer is registered within 60 days with the $300 fee. Workmanship is covered separately by the installer. Read the exclusions before you sign.
One line
One Texas line.
Call toll-free from anywhere in Texas, Mon–Fri 9:00 AM – 5:00 PM Eastern (8:00 AM – 4:00 PM Central).
FAQs
Your questions, answered directly
What is Metal Roofing Texas?
Metal Roofing Texas is how Texas homeowners get the Interlock® aluminum roof. In Texas it supplies the roof made by Interlock Roofing, certifies independent Texas roofing contractors on the system and assigns a certified installer to each project. The roof carries the Guardian Lifetime Limited Material Warranty, issued by Interlock Roofing.
Does Metal Roofing Texas install roofs?
No. A certified Interlock installer is assigned to your project: an independent Texas roofing contractor, trained and certified by the manufacturer on this system. The installer pulls the permit where your city requires one and signs the contract with you.
Does Metal Roofing Texas hold a Texas roofing license?
Texas does not license roofing contractors at the state level, so nobody holds one. Some cities require contractor registration, and the assigned installer handles that. Ask any Texas roofer for their certificate of insurance and city registration.
Which parts of Texas are served?
All of Texas: Houston, Dallas–Fort Worth, Austin, San Antonio, the Gulf Coast, the Rio Grande Valley, West Texas and the Panhandle. In the first-tier coastal counties, the installer confirms what TWIA windstorm coverage requires at your address.
Who manufactures the roof?
Interlock Roofing, in North America. The panels are aluminum 3105-H24 / 3003-H24 alloy to ASTM B209 with up to 95% recycled content, interlock on all four edges, and carry the Alunar® 70% PVDF coating system, designed and tested to meet AAMA 2605.
Why aluminum on a Texas house?
Hail, sun and salt. The Slate, Cedar Shingle, Shake and Mediterranean Tile profiles carry a UL 2218 Class 4 impact rating verified by Intertek for Delta Building Products. A reflective CRRC-rated color sheds solar heat through a long cooling season. On the Gulf Coast, aluminum contains no iron and cannot rust. And the roof is light enough for framing built for shingle.
Start with the roof, not the sales pitch.
Tell us about your roof and a certified Interlock installer is assigned to your project. You get the installer's written proposal, the manufacturer's warranty, and straight answers about hail, wind and your city's rules.