Shingle · Asphalt · Architectural

Atlas Pinnacle Pristine COASTAL GRANITE Shingles

A bold dimensional gray with enough depth to anchor a contemporary build.

Wind
130
Warranty
Lifetime
Per square
$123
Home with Atlas Pinnacle Pristine COASTAL GRANITE roof
COASTAL GRANITE · #6A6E6B

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The color · in plain words
What you're looking at.

The most common asphalt-shingle install nationally is a gray in this exact tonal zone. COASTAL GRANITE sits right inside that fairway: dark enough to feel anchored, light enough to keep the elevation breathing. The granule blend is engineered to read as a single quiet plane from the street.

Atlas uses a tight blend of dark gray and faint blue-gray granules to keep the surface visually alive. The result is a roof that reads as a clean architectural line from the street and a textured surface up close.

Works well with crisp white trim, warm wood accents, and natural stone. Slightly cooler than the brown family, so it tends to pair better with blue, sage, and gray sidings than with yellow or peach.

Specs · what's on the warranty card
The numbers, plainly.
Product specifications
Type Asphalt
Fiberglass-mat, granule-coated, dimensional architectural shingle
Grade Architectural
Laminated profile with dimensional shadow line
Warranty Lifetime
Manufacturer limited; transferable terms vary
Wind rating 130 mph
HP42 reinforced nailing zone, Sweet Spot nailing area. ASTM D7158 Class H.
Hail / impact Class 3
UL 2218 Impact-Resistance Test rating. Class 4 is the highest grade; some Florida insurers offer a small discount on hail-rated roofs.
Fire rating Class A
ASTM E108 / UL 790
Weight per square 250 lbs
Standard architectural asphalt
Algae resistance Scotchgard Protector
Lifetime-year algae warranty
Manufacturer Atlas
Atlanta, GA · made in the USA
House colors that work
COASTAL GRANITE pairs well with.

Click a swatch to see this exact pairing rendered on a real Florida home.

Compare across brands
Other gray shingles, side by side.

Cross-brand similarity computed by redmean RGB distance. Lower distance equals closer perceived match.

Pricing context · 2026 retail
What it actually costs.
Per square (materials)
$123$141
Home Depot / Lowe's retail snapshot, three bundles per square.
Typical 30-square home
$3,690$4,230
Materials only. Underlayment, starter strip, and ridge cap not included.
Installed in Florida
$11k$18k
Full re-roof including tear-off, decking inspection, install, and disposal. Range varies by pitch, square count, and accessibility.

Materials-per-square pulled from retailer scrape (Lowe's/Home Depot Florida zips).

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Common questions
About COASTAL GRANITE.

Questions homeowners ask before they commit. Answered without sales spin.

A confident, slightly cool dark gray. It reads close to black in shade and as a clean slate in direct sunlight. The granule blend has a faint cool undertone that keeps it from looking flat. On a Florida elevation with strong overhead light, expect the surface to brighten visibly compared to a cloudy day.

Minimally. Atlas's ceramic granule coating is engineered to hold color for 25 plus years in Florida UV. Expect a barely-visible shift toward a slightly warmer tone over the first 5 years, then stability. The full warranty covers premature fading. Source: Atlas product warranty card and NRCA Asphalt Shingle Manual.

In direct overhead sun it brightens to a clear charcoal with visible dimensional shadow lines. On cloudy days it reads almost black and recedes visually, which flatters most siding colors underneath. At sunset the granule blend shows its warmth.

Slightly, compared to a white or light-gray roof. In Florida, a mid-dark roof adds approximately 5 to 10 degrees Fahrenheit to attic temperatures during peak summer. Proper attic ventilation and a modern radiant barrier reduce the actual cooling-load impact to less than 20 dollars per month in most homes.

Very similar in daylight. The gray-family SKUs across Atlas, GAF, CertainTeed, IKO, and Owens Corning sit within a small tonal window. Subtle differences in granule blend (some lean cool blue, others lean warm slate) become visible only side by side. Use the Compare tab to see direct hex deltas.

Generally yes. Atlas's algae-resistance package uses copper- or zinc-infused granules that inhibit the most common Florida algae strain (Gloeocapsa magma). Expect clean performance for the warranty window with normal cleaning; in heavy-shade or low-airflow installations occasional soft-wash maintenance helps. Source: NRCA Algae Discoloration field guidance.

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