Atlas Pinnacle Pristine OYSTER SHELL Shingles
A confident, anchored gray that reads black in shade and slate in sun.
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OYSTER SHELL is the kind of gray you choose when you want the roof to recede and the rest of the house to lead. Not quite black, not quite slate. It is a confident, anchored color that absorbs the eye instead of bouncing it. On a south-facing Florida elevation it reads cool and slightly blue. On a north-facing roof in shade it pulls toward true black.
Up close you can pick out three or four granule shades layered into the surface. From the street they collapse into one mid-dark gray, but the layering is why a quality asphalt roof catches light the way single-color metal never quite does.
Pairs cleanly with white, cream, navy, sage, and warm terra-cotta sidings. Almost any house color works underneath it.
| 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 |
We do not yet have full-render combination pages for this color family.
Materials-per-square pulled from retailer scrape (Lowe's/Home Depot Florida zips).
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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.