IKO Royal Estate Shadow Slate Shingles
A bold dimensional gray with enough depth to anchor a contemporary build.
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The most common asphalt-shingle install nationally is a gray in this exact tonal zone. Shadow Slate 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.
The granule blend uses a base of charcoal granules with smaller portions of true black and storm-gray accents to keep the surface from going dead flat. In direct midday sun the texture catches enough light to show the dimensional shadow line that gives Royal Estate its premium feel.
Difficult to pair badly. The one place it disagrees: bright primary-yellow houses, where the cool undertone fights the warm siding.
| Type | Asphalt Fiberglass-mat, granule-coated, dimensional architectural shingle |
| Grade | Luxury Laminated Laminated profile with dimensional shadow line |
| Warranty | Lifetime Manufacturer limited; transferable terms vary |
| Wind rating | 130 mph ArmourZone reinforced nailing strip. ASTM D3161 Class F. |
| Hail / impact | Not rated UL 2218 impact rating not claimed on the manufacturer warranty card. |
| Fire rating | Class A ASTM E108 / UL 790 |
| Weight per square | 300 lbs Standard architectural asphalt |
| Algae resistance | AR (Algae Resistant) 15-year algae warranty |
| Manufacturer | IKO Brampton, Ontario · made in the Canada |
| Exposure | 5 5/8 inches (143 mm) Manufacturer-specified shingle exposure per course |
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. IKO'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: IKO 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 IKO, 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. IKO'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.