What Is GAF Timberline® NS?
GAF Timberline® NS (Natural Shadow) is a practically priced shingle with the look of a classic architectural roof. Its shadow effect creates a subtle, even-toned appearance with the warmth of wood.
It costs less than Timberline HDZ® but gives up some features, including High Definition shadow bands and a formal impact rating. That trade-off makes it a strong budget option rather than a top-tier shingle.
ProShield Roofing can help you decide whether NS or a higher-tier Timberline shingle fits your home. See our residential roofing services or read about the types of roof shingles.
Quick Specs
| Lifespan | Most roofs last 25 to 30 years |
| Installed Cost | Typically $5 to $9 per square foot |
| Wind Rating | ASTM D3161 Class F and ASTM D7158 Class H |
| Impact Resistance | No formal rating |
Timberline® NS Shingles Options
GAF lists Barkwood, Weathered Wood, Charcoal, and Pewter Gray as its main colors, with Hickory, Shakewood, and Slate in select areas. Ask us what is available for your project.
Features & Benefits
Timberline® NS keeps the focus on a clean look and a practical price.
Timeless Aesthetic
The classic shadow effect provides a home with a refined, uniformly balanced appearance.
Exceptional Value
Architecturally appealing yet budget-friendly.
StainGuard Algae Defense
Protects your roof’s appearance from unsightly blue-green algae. Not available in the Western US.
Warranties & Technologies
Here is the coverage and technology behind Timberline® NS Shingles.
Lifetime Limited Warranty
By choosing GAF Lifetime Shingles and at least three qualifying GAF accessories, you will benefit from a Lifetime Limited Warranty on your qualifying GAF products.
StainGuard™ Algae Protection Limited Warranty
Safeguard your roofing investment with a 10-year limited warranty against blue-green algae.
Dura Grip™ Adhesive
With Dura Grip™ Adhesive, your roof gains added defense against wind and wind-driven rain.
Wind Coverage
GAF’s standard warranty for Lifetime shingles lists 15-year wind coverage, up to 130 mph with special installation or 110 mph without it.
Warranty and Lifespan
Timberline® NS has strong basic coverage, with a few limits worth knowing.
Manufacturer Warranty
Timberline® NS carries a Lifetime Limited Warranty against manufacturing defects with at least three qualifying GAF accessories. Coverage is non-prorated for the first 10 years. A 10-year StainGuard™ warranty covers algae. See the GAF limited warranty for full terms.
ProShield Workmanship Warranty
GAF excludes Timberline® NS from the Golden Pledge Limited Warranty. GAF’s Silver Pledge Limited Warranty is the alternative for qualifying systems. It requires a Certified Plus or Master Elite contractor, four qualifying accessories and 50 years of non-prorated coverage. See the GAF warranty guide, and ask us what applies to your project.
What “Lifespan” Actually Means
“Lifetime” describes warranty coverage, not how long a roof lasts. Most architectural-style roofs last 25 to 30 years. Real service life depends on ventilation, installation quality, and storm exposure. Learn more about how long a roof lasts.
Pros and Cons
Pros
Budget-Friendly
It is GAF’s practical-price Timberline option.
Seven Colors
Main and select-area colors cover most home styles.
Lifetime Limited Warranty
You get lifetime coverage with qualifying accessories.
Silver Pledge Eligible
A qualifying system can reach 50 years of non-prorated coverage.
Cons
No Impact Rating
It has no formal rating, so hail damage is a bigger concern.
No High Definition Shadow Bands
It has less depth than Timberline HDZ®.
Shorter Algae Warranty
The StainGuard™ term is 10 years, compared with 25 on Timberline HDZ®.
No Golden Pledge
It does not qualify for GAF’s strongest warranty.
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Technical Specifications
| Pieces/Square | 64 |
| Bundles/Square | 3 |
| Nails/Square | 256 |
| Exposure | 5 5/8″ |
| Dimensions | 13 1/4″ x 39 3/8″ |
| Fire Rating | UL Class A (ANSI/UL 790) |
All dimensions are nominal. Specifications and warranty details come from GAF’s Timberline® NS product page and residential warranty guide.
WHAT YOU NEED TO KNOW
Timberline® NS Questions
NS stands for Natural Shadow, which describes the shingle’s classic, even-toned shadow effect.
Timberline HDZ® adds High Definition shadow bands, a Class 3 impact rating, and a 25-year algae warranty. NS costs less and has none of those features.
GAF cites an average asphalt shingle roof replacement cost of $17,631 in 2025. NS typically runs $5 to $9 per square foot installed. Ask about our financing options.
GAF says Timberline® NS Shingles do not carry a formal impact-resistance rating.
No. GAF excludes it from Golden Pledge, but it can qualify for Silver Pledge with four accessories and a Certified Plus or Master Elite contractor.
Its StainGuard™ algae protection helps in humid weather. If strong storms are your main concern, consider Timberline UHDZ®, and see how to prepare for strong winds.