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If you’ve heard of GAF TimberSteel and wondered what all the fuss is about, you’re in the right place. As someone who’s worked roofing in and around the Marietta, GA / Smyrna, GA area for more than a decade with Georgia Roof Advisors, I’ve seen plenty of roofing products come and go. TimberSteel stands out—and here’s why.
GAF TimberSteel is GAF’s premium metal roofing system that looks like traditional shingles (or wood shake in texture), but is made of high-performance steel. It combines aesthetics, durability, and advanced engineering to deliver a roof that’s built to last. Currently, an exclusive product only available in the Southeast and can only be purchased and installed by a GAF Certified Metal installer.
To get into detail:
Here are the important specs that make GAF TimberSteel a strong contender (especially if you live where storms, hail, or wind are serious risks).
| Feature | Specification | Why It Matters |
|---|---|---|
| Impact Resistance | UL 2218 Class 4 (highest level) | Protects against hail damage and flying debris—great during Georgia hailstorms. |
| Wind Resistance | ASTM D3161 Class F | Helps maintain roof integrity in high wind events. |
| Wind-Driven Rain | TAS-100 certification | Keeps water from being driven underneath roof surfaces—important for steep rain. |
| Fire Rating | ANSI/UL 790 Class C | Adds protection in case of fire hazards. |
| Warranty | TimberSteel ArmorPledge™ Limited Warranty (30 years workmanship + coverage for wind, hail leaks, paint/finish fade & chalking) | Long-term peace of mind. |
Another big plus: installation time can be about half of a standing seam roof, since TimberSteel uses tools and methods familiar to most roofing crews.
Having gone 1000's of roof inspections with Georgia Roof Advisors in Smyrna, I’ve seen what goes wrong when people choose just cheap asphalt or ignore warranty details. Here’s why GAF TimberSteel may be the better investment.
One summer, a big hailstorm swept through Marietta. Neighbors with asphalt shingles had damage everywhere; one house had multiple missing shingles. The homes with more robust roofing (like metal or premium shingles) held up much better. TimberSteel’s Class 4 impact rating makes that difference.
I remember a project in Smyrna where the homeowner wanted a premium look—something like wood shake—but without the maintenance and risk of rot or fire. TimberSteel allowed us to get that textured, upscale appearance while offering the durability of steel.
TimberSteel comes in about 8 colors like Charcoal Gray, Evergreen, and Obsidian Black, giving homeowners lots of flexibility to match their house style.
While initial cost is higher than standard asphalt shingles, over a 20- or 30-year span, you typically save money because:
Even the best roofing product won’t perform if installed poorly. At Georgia Roof Advisors, we emphasize choosing certified contractors and verifying installation per GAF specs.
Not every roofer can install GAF TimberSteel the right way. In fact, GAF requires special training and certification for contractors who want to offer TimberSteel roofs with full warranty coverage. That’s where we come in.
Georgia Roof Advisors is proud to be a 2026 GAF Metal Certified Contractor.
So what does that mean for you?
When you’re investing in a long-lasting roof, don’t risk improper installation. Partnering with a certified expert like Georgia Roof Advisors in Marietta or Smyrna, GA guarantees both quality craftsmanship and the full benefits of GAF’s warranty protections.
| Roofing Type | Upfront Cost | Lifespan | Maintenance Needs | Aesthetic Styles |
|---|---|---|---|---|
| Asphalt Shingles | Lowest | 15-30 years | Moderate to high | Many colors, but limited wood-like looks |
| Standing Seam Metal | High | 40-60+ years | Low | Sleek, modern |
| GAF TimberSteel | Higher than asphalt, often lower than standing seam | 40-60+ years | Low | Textured, wood-grain look, multiple colors |
If you live in Marietta, GA or Smyrna, GA, where storms, hail, and heat are common, TimberSteel makes sense. At Georgia Roof Advisors, we often meet homeowners who want:
If budget is the only concern, asphalt may be tempting. But if you’re planning to stay in your home for 10-20 years or more, GAF TimberSteel usually pays off.
As a roofer with Georgia Roof Advisors, I helped a homeowner in Smyrna decide between replacing their aging wood shake roof or going with GAF TimberSteel. They were drawn to the wood look but tired of dealing with rot, yearly maintenance, and fire risk. After showing them samples and warranty details, they chose TimberSteel. Two summers later, after storms and intense sun, the roof still looks brand new.
Another time in Marietta, a customer’s neighbor had just replaced an asphalt roof; two years later, those shingles were already curling. We installed TimberSteel for our client—while the cost was higher up front, they told us how much more peace of mind they felt every storm season.
If you’re considering a roof replacement in Marietta, Smyrna, or anywhere in metro-Atlanta, GAF TimberSteel is one of the best investments you can make. It offers the warmth of a wood-grain aesthetic with the unbeatable durability of steel, backed by strong warranties.
And here’s the big difference: Georgia Roof Advisors is a 2026 GAF Metal Certified Contractor. That certification means expert installation, exclusive warranty access, and confidence that your TimberSteel roof will perform for decades.
If you’d like to learn more, Georgia Roof Advisors can schedule a roof inspection, show TimberSteel samples, and provide a detailed estimate for your home.
