ClimateFlex SBS-modified asphalt for cold-flex and impact. ASTM D7158 Class H.
Hail / impact
Class 4
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
StreakFighter
15-year algae warranty
Manufacturer
CertainTeed
Malvern, PA · made in the USA
What you're looking at.
The granule tones the blend is built from, how the colour is classified, and how it behaves on a roof.
Granule 01Base tone#A5A4A1
Granule 02Lighter granule#B2B1AF
Granule 03Lighter granule#C1C0BE
Hex
#A5A4A1
Family
Gray
Undertone
Cool blue
Best in
Daylight
How it shifts
Silver Birch sits in the heart of the gray spectrum for Northgate Climateflex. It reads as a clean charcoal in direct sun and softens to a near-black on cloudy or shaded elevations. That tonal range is the reason it dominates the dimensional asphalt category nationally.
The profile
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.
Where it belongs
A safe specification if you have not committed to a final paint color yet. It cools the rest of the elevation visually and makes warm accents (cedar, stone, copper) look richer.
Materials-per-square pulled from retailer scrape (Lowe's/Home Depot Florida zips).
Per square (materials)
$161–$185
Home Depot / Lowe's retail snapshot, three bundles per square.
Typical 30-square home
$4,830–$5,550
Materials only. Underlayment, starter strip, and ridge cap not included.
Installed in Florida
$14k–$24k
Full re-roof including tear-off, decking inspection, install, and disposal. Range varies by pitch, square count, and accessibility.
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About Silver Birch.
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. CertainTeed'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: CertainTeed 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 CertainTeed, 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. CertainTeed'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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#A5A4A1 · gray · cool blue undertone Manufacturer swatch