GAF makes more than a dozen shingle lines, but only a handful come up on real Charlotte-metro and Lake Norman roofs, where hail, humidity, and wind all take their toll. This guide compares the six GAF lines homeowners around Denver, NC ask us about most, with a plain verdict for each.
Short version
- Best overall: GAF Timberline HDZ®, which GAF calls its #1-selling shingle.
- Best premium upgrade: Timberline UHDZ®: a thicker Dual Shadow Line look, with a UL 2218 Class 4 impact rating on UltraMat™-labeled packages.
- Best for hail-prone roofs: Timberline® AS II (ArmorShield™ II), an SBS-modified Class 4 shingle.
- Best designer looks: Grand Sequoia® (wood shake) and Camelot® II (slate-inspired). Both are also rated Class 4 by GAF.
- Enhanced GAF warranties depend on the contractor’s certification level, not just the shingle. Golden Pledge® is only available through GAF Master Elite® contractors.
Why this matters
Choosing a shingle line is more than picking a color. With spring and summer storms in the Lake Norman and Charlotte corridor, the gap between a standard architectural shingle and a Class 4 impact-rated one can affect how a roof holds up after hail. Ask your insurance company whether it offers anything for impact-resistant roofs.
As a GAF Master Elite roofing contractor, Campbells Precision Roofing installs these lines as complete GAF systems, and we see which ones make sense for which houses.
What makes the best GAF shingle line
- Impact rating: whether the shingle passes UL 2218 at Class 3 or Class 4 (Class 4 is the highest).
- Wind coverage: GAF shingles with LayerLock® Technology can qualify for the WindProven™ Limited Wind Warranty (no maximum wind speed) when installed with four qualifying GAF accessories.
- Algae resistance: this matters in the humid Piedmont. Most lines here carry GAF’s 25-year StainGuard Plus™ limited warranty; UHDZ carries 30-year StainGuard Plus PRO™.
- Profile and look: how much dimension and shadow the shingle gives from the curb.
- Warranty tier eligibility: System Plus, Silver Pledge™, or Golden Pledge®. Each needs a certain GAF contractor certification level and a minimum number of qualifying accessories.
- Availability: designer lines can take longer to source than Timberline, so confirm lead time.
GAF shingle lines compared at a glance
| Shingle line | Best for | Standout feature | Key limitation |
|---|---|---|---|
| Timberline HDZ® | Most homeowners, standard replacement | LayerLock® / StrikeZone® nailing area; two color collections | UL 2218 Class 3, not Class 4 |
| Timberline UHDZ® | Premium look plus impact rating | Dual Shadow Line; Class 4 on UltraMat™ packages; 30-yr algae warranty | Single color collection; higher cost than HDZ |
| Timberline® AS II | Hail-prone roofs, past hail damage | SBS-modified asphalt; UL 2218 Class 4 | Smaller color list than HDZ |
| Grand Sequoia® | Rustic wood-shake look | Oversized, thick shake shapes; Class 4 per GAF | Premium price; bold look isn’t for every house |
| Camelot® II | Slate-inspired, European look | Oversized, artisan-crafted slate-like tabs; Class 4 per GAF | Premium price over Timberline |
| Slateline® | Budget-friendlier slate look | Single-layer slate-style design | Flatter profile than Camelot II; confirm availability |
1. Timberline HDZ®: best GAF shingle line for most roof replacements
GAF markets Timberline HDZ® as its #1-selling shingle, and it’s our default recommendation for a straightforward replacement. LayerLock® Technology powers the StrikeZone® nailing area, which GAF calls the industry’s widest, and that helps crews get fasteners in the right place. More on our Timberline HDZ® and UHDZ® page.
Pros:
- Two color collections (High Definition® and Bold Definition), the widest choice on this list
- Lifetime limited warranty plus 25-year StainGuard Plus™ algae protection
- Eligible for WindProven™ and enhanced GAF warranties on qualifying systems
- Easy to source, so replacement timelines stay predictable
Cons:
- Passes UL 2218 at Class 3, not Class 4, so it’s not the pick if you specifically want a Class 4 roof
Best for: a standard replacement with no special hail or design goals. Verdict: Buy.
2. Timberline UHDZ®: best premium upgrade
Timberline UHDZ® is GAF’s premium laminate shingle. It has the same LayerLock® base as HDZ, but it is about 20% thicker, with a patented Dual Shadow Line for a deeper wood-shake look. GAF’s UltraMat™ fiberglass mat gives it a UL 2218 Class 4 impact rating (on packages labeled UltraMat™ / Class 4). It also carries a 30-year StainGuard Plus PRO™ algae warranty. It is not a separate “high-wind” shingle: HDZ and UHDZ have the same WindProven™ eligibility.
Pros:
- Class 4 impact rating plus the most dimensional Timberline look
- 30-year algae warranty, versus 25 years on HDZ
- With a qualifying system and a Golden Pledge® registration, GAF says Master Elite contractors can offer 30 years of workmanship coverage
Cons:
- One color collection, so fewer choices than HDZ
- Costs more than HDZ
Best for: homeowners who want a richer look and a Class 4 rating without going to a designer line. Verdict: Buy if the budget allows.
3. Timberline® AS II: best GAF shingle line for hail-prone roofs
If your roof has taken hail damage before, this is the line to know. Timberline® AS II uses GAF’s SBS-modified (rubberized) asphalt and passes UL 2218 at Class 4, the highest rating. Ask your insurance company whether it offers anything for impact-resistant roofs.
Pros:
- Class 4 impact rating with rubber-like flexibility
- Same LayerLock® / StrikeZone® installation benefits as HDZ
Cons:
- Shorter color list than HDZ
- Costs more than standard architectural shingles
Best for: hail-prone pockets of the Charlotte metro, or any home that has already had storm damage. Verdict: Buy.
4. Grand Sequoia®: best GAF shingle line for a wood-shake look
Grand Sequoia® is part of GAF’s Designer Collection. Its oversized, artisan-crafted shapes imitate rustic wood shakes, without cedar’s staining, splitting, and rot. GAF makes it bigger and thicker than a typical architectural shingle, and rates it UL 2218 Class 4. An SBS-modified version, Grand Sequoia® AS, is also Class 4.
Pros:
- Bold shake texture and shadow depth
- Class 4 impact rating, plus 25-year StainGuard Plus™ algae protection
Cons:
- Premium price over Timberline
- A dramatic look that suits some homes more than others
Best for: homeowners set on a shake look without wood upkeep. See our GAF Designer Shingles page. Verdict: Buy when the look is the priority.
5. Camelot® II: best GAF shingle line for a slate-inspired look
Camelot® II is GAF’s slate-inspired designer shingle, with oversized tabs and a color palette inspired by European architecture. The Antique Slate and Royal Slate colors come closest to real stone. GAF rates it UL 2218 Class 4. GAF specifies a minimum of 3/8" plywood or OSB decking. Deck condition gets confirmed during tear-off.
Pros:
- Distinct slate-style silhouette versus HDZ/UHDZ
- Class 4 impact rating and 25-year StainGuard Plus™ algae protection
Cons:
- Costs more in materials and labor than Timberline
Best for: higher-end or traditional-style homes where appearance comes first. Verdict: Buy for the right house.
6. Slateline®: best budget-friendlier slate look
Slateline® gives a slate look with a single-layer design. GAF presents it as a more affordable way into the slate look than Camelot® II, with less depth. It’s a niche pick, but a sensible one where real slate isn’t practical.
Pros:
- Slate-style appearance without slate’s weight or fragility
- Lower cost than Camelot II
Cons:
- Flatter look than Camelot II
- Lower-volume line, so confirm color availability and lead time
Best for: homeowners who want a slate look at a lower price than Camelot II. Verdict: Hold. Look at full-size samples next to Camelot II first.
How we compared these GAF shingle lines
Each line was measured against the criteria above: impact rating, wind coverage, algae protection, profile, warranty tier eligibility, and availability. HDZ wins on value, color range, and availability. UHDZ and AS II stand out on impact rating. Grand Sequoia, Camelot II, and Slateline stand out on looks. Specs follow GAF’s published product pages, and ratings apply to packages carrying the matching labels.
Not sure which GAF line fits your roof?
Get a straight-talk inspection and a shingle recommendation for your address.
Which GAF shingle line should you choose?
For most roof replacements in 2026, Timberline HDZ® is the default answer: widest color range, strong warranties, and easy to source. Step up to Timberline UHDZ® if you want a richer look plus a Class 4 rating. Choose Timberline® AS II if hail is your main worry and you want an SBS-modified Class 4 shingle. Save Grand Sequoia®, Camelot® II, and Slateline® for homes where the designer look is the priority.
Before you commit, get a real number for your roof. Our Charlotte roof replacement cost guide covers what drives price, and our GAF warranties page explains which enhanced warranty your system can qualify for.
FAQ
What is the best GAF shingle line overall in 2026?
For most homeowners doing a standard replacement, Timberline HDZ®. It has the widest color selection, a Lifetime limited warranty, WindProven™ eligibility on qualifying systems, and it is easy to source.
Is Timberline UHDZ® better than Timberline HDZ®?
UHDZ is GAF’s premium step up: thicker, with a Dual Shadow Line look, a Class 4 impact rating on UltraMat™-labeled packages (HDZ is Class 3), and a 30-year algae warranty (versus 25 years). Wind warranty eligibility is the same, so choose UHDZ for looks and impact rating, not wind.
Which GAF shingle is best for hail?
Timberline® AS II is GAF’s SBS-modified Class 4 shingle. Timberline UHDZ® (UltraMat™ packages), Grand Sequoia®, and Camelot® II also carry Class 4 ratings. No shingle is hail-proof, and GAF’s limited warranty does not cover hail damage.
Does the shingle line affect my warranty?
Yes, and so does the installer. GAF Certified™ contractors can offer System Plus. Certified Plus™ contractors can add Silver Pledge™. Only Master Elite® contractors can offer Golden Pledge®. Each tier needs qualifying GAF accessories and registration.
Is Camelot® II worth it over Timberline HDZ®?
It costs more, but it gives a distinctly slate-inspired, designer look plus a Class 4 rating. It’s worth it when curb appeal is the priority.
How long do GAF shingles last?
The lines here are GAF Lifetime shingles. GAF defines “Lifetime” coverage as lasting as long as the original individual owner(s) of a single-family detached home own it, with terms and restrictions. Actual service life depends on installation, ventilation, and weather.
Can I mix GAF shingle lines on one roof?
It isn’t typical. Most installers use a single line across the roof so the look and warranty terms stay consistent.
Is Slateline® hard to find around Charlotte?
It’s a lower-volume designer line, so availability and lead times can vary. We confirm current availability before we set a schedule.
One last thing
The shingle line matters, but so does who installs it. GAF says only about 2% of roofing contractors in North America are GAF Master Elite® contractors, and only they can offer the Golden Pledge® Limited Warranty. The same Timberline HDZ® shingle can end up with very different coverage depending on who is on the roof.
Campbells Precision Roofing · Denver, NC 28037 · (704) 280-5996 · NC Licensed Contractor #101889