IKO Cambridge Dual Brown Shingles
A warm, earthy roof that grounds the house against landscape.
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Dual Brown is the warm anchor of the Cambridge catalog. It reads as a clear deep brown in direct sun and softens into a near-black on overcast days. The granule blend leans warm, with reddish or amber accents that give the surface a sense of depth most gray shingles cannot match.
The shingle profile carries a deep shadow line that emphasizes the warm tones in late-afternoon light. At dusk the entire roof becomes one quiet warm plane that ties the house into the landscape.
Pairs cleanly with brick red, cream, warm white, sage, and natural-wood siding. Slightly less flexible than the gray family on cool or modern color palettes, but unbeatable on traditional elevations.
| 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 | 110 mph Upgradable to 130 mph with IKO accessories. ASTM D3161 Class F. |
| 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 | 215 lbs Standard architectural asphalt |
| Algae resistance | ArmourZone 15-year algae warranty |
| Manufacturer | IKO Brampton, Ontario · made in the Canada |
| Exposure | 5 7/8 inches (149 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 warm, anchored brown with visible reddish or amber granule accents. In direct Florida sun it reads as a clear sienna or coffee; in shade it softens to a near-black. The blend is layered enough that the surface looks alive rather than flat.
Yes, and that is the canonical pairing. Brown asphalt and red brick share a warm tonal family, so they read as one coordinated elevation rather than competing colors. The trick is keeping the trim color clean and bright (warm white, soft cream) so the eye has somewhere to rest.
Minimally. IKO's ceramic granule coating holds warm tones for 25 plus years in Florida UV. Browns tend to drift slightly cooler over the first 5 years (a barely visible shift) and then stabilize. The full warranty covers premature fading. Source: IKO product warranty card and NRCA Asphalt Shingle Manual.
Slightly. Dark warm tones absorb similar solar heat to dark grays, adding roughly 5 to 10 degrees Fahrenheit to peak-summer attic temperatures versus a light gray. Proper ventilation and a radiant barrier under the decking keep monthly cooling-cost impact under 20 dollars in most homes.
The 'brown' SKUs across major brands sit within a fairly tight tonal window. Most are mid-to-dark brown with warm undertones; differences are mostly in granule blend size and shadow-line depth. Use the Compare tab to see direct hex deltas against similar SKUs.
On a contemporary white-stucco build, possibly. On a craftsman, traditional, Tudor, or Mediterranean elevation it is the most architecturally correct choice and reads as deliberate rather than dated. Picking by house style matters more than by trend.