GAF vs. CertainTeed: Which Roofing Shingles Are Best for Georgia Homes?
When Georgia homeowners research roof replacement materials, two names consistently come up above all others: GAF and CertainTeed. Both are premium manufacturers with decades of track records and wide product lines. Both are manufacturers that Elite Roofing Systems is certified to install — meaning we can offer the highest warranty tiers available from either brand.
The question we hear constantly from homeowners across Alpharetta, Canton, Marietta, Roswell, and the surrounding area is: which one is actually better? Here is an honest, experience-based comparison from a team that works with both products every day.
About GAF: North America's Largest Shingle Manufacturer
GAF is the largest roofing manufacturer in North America and produces more residential shingles than any other company on the continent. Their flagship residential line is the Timberline series, anchored by the Timberline HDZ — one of the most installed shingles in the country for good reason. GAF shingles are built with StainGuard Plus algae-resistant technology, which is a significant advantage in Georgia, where heat and humidity create ideal conditions for algae growth on roof surfaces.
GAF's warranty program is structured around contractor certification tiers. Elite Roofing Systems is a certified GAF installer, which means our clients receive access to enhanced warranty protection that uncertified contractors simply cannot offer. The highest GAF warranty tier, available only through certified contractors like Elite Roofing Systems, provides comprehensive coverage of both materials and workmanship — one of the strongest warranties in the residential roofing industry.
About CertainTeed: Over 100 Years of Roofing Excellence
CertainTeed is one of North America's oldest building materials manufacturers, founded in 1904, and their residential shingle line is anchored by the Landmark series. CertainTeed shingles are widely regarded for their superior color depth and aesthetic range, offering more than 30 color options across the Landmark line alone. For homeowners in higher-end neighborhoods or those closely matching a specific architectural style, CertainTeed often provides the widest and most sophisticated selection.
Elite Roofing Systems holds the CertainTeed SELECT ShingleMaster certification — a credential that reflects our team's training and installation expertise with CertainTeed products. This certification gives our clients access to CertainTeed's SureStart PLUS warranty, which provides full replacement value coverage with no depreciation during the initial coverage period.
Warranty Comparison: What Actually Matters
Both manufacturers offer lifetime limited warranties on their premium product lines, but the details matter enormously. Elite Roofing Systems walks every client through the specific warranty terms for both options before a decision is made.
Key factors to compare include whether workmanship is covered alongside materials, whether the warranty transfers to a new owner if you sell your home, and what the coverage structure looks like across the full warranty period. Because Elite Roofing Systems holds certifications with both GAF and CertainTeed, our clients are never limited to one brand's warranty tier — we can access the best available protection from either manufacturer.
How Each Brand Performs in Georgia's Climate
Georgia's roofing environment presents real challenges: intense summer heat, high humidity, frequent hail, heavy rainfall, and temperature fluctuations that test every component of a roofing system. Both GAF and CertainTeed engineer their Georgia-installed products to address these conditions.
GAF Timberline HDZ shingles feature improved alignment and sealing strip technology that provides excellent wind resistance in high-wind events — a genuine advantage in storm-active areas. CertainTeed Landmark PRO shingles offer enhanced thickness and weight, which many installers on the Elite Roofing Systems team find performs particularly well in conditions that test shingle adhesion. For impact resistance specifically, both manufacturers offer Class 4 rated products, and Elite Roofing Systems installs both across our service area.
Which Brand Is Right for Your Home?
Here is the honest answer the Elite Roofing Systems team gives every homeowner who asks this question: for most North Metro Atlanta homes, the choice between GAF and CertainTeed comes down to specific product performance characteristics, color and profile preferences, and which warranty structure fits your situation — not an overall brand superiority.
Both GAF and CertainTeed are outstanding products. The most important factor in determining how well either performs on your home is the quality of the installation. Elite Roofing Systems installs both brands to strict manufacturer specifications — which is exactly why we hold certifications from both — and we will help you make the right choice for your specific home and goals.
Want to see both GAF and CertainTeed options side by side for your home? Contact Elite Roofing Systems for a free consultation. As a certified installer for both manufacturers, we can access the highest warranty tiers for either brand. Call 770-217-1278 or visit eliteroofingsystemsga.com.