Algae-resistant 3-tab asphalt shingles
Heavyweight fiberglass-based asphalt shingles designed for long-lasting performance and algae resistance. Three-tab profile with ceramic-coated granules for UV protection and a Dual Brown color blend to complement classic roofs.
Key Features:
- Algae Resistance: Formulated to resist algae growth for cleaner-looking roofs
- Durable Construction: Fiberglass base saturated with weather-resistant asphalt for longevity
- UV Protection: Ceramic colored granules shield asphalt from ultraviolet radiation
- Reliable Wind Performance: 60 mph limited wind warranty for added peace of mind
- Efficient Coverage: 32.3 sq ft per bundle; 3 bundles per square, 21 shingles per bundle
Specifications Table:
| Specification | Details |
| Color | Dual Brown |
| Style | Shingles (3-tab) |
| Base Material | Fiberglass |
| Composition | Fiberglass base coated with weather-resistant asphalt; ceramic colored granules |
| Algae Resistance | Yes |
| Wind Warranty | 60 mph (97 km/h) limited wind warranty |
| Warranty Length | 25-Year Limited Warranty |
| Shingle Length | 39-3/8 in (1000 mm) |
| Shingle Width | 13-1/4 in (336 mm) |
| Exposure | 5-5/8 in (143 mm) |
| Coverage per Bundle | 32.3 sq ft (3 sq m) |
| Bundles per Square | 3 |
| Shingles per Square | 65 |
| Shingles per Bundle | 21 |
| Item Weight | 62 lb per bundle |
| Applicable Standards | ASTM D3462; ASTM D3018; ASTM D3161 (Class F); ASTM D7158 (Class H); ASTM E108 (Class A); CSA A123.5 (Canada only); Miami-Dade County Approved |
| Product Number | IKOM25ARDBR |
| Manufacturer Number | 4780021 |
Frequently Asked Questions (FAQ):
Q: What is the shingle size and exposure?
A: Each shingle measures 39-3/8 in length by 13-1/4 in width with a 5-5/8 in exposure.
Q: How many bundles are needed per roofing square?
A: Three bundles per square; coverage per bundle is approximately 32.3 sq ft.
Q: Is underlayment required for lower slopes?
A: Underlayment is strongly recommended on slopes below 6:12, and for 2:12 to 4:12 slopes use two plies of felt cemented together or one ply of IKO Ice & Water Protector.
Q: What standards do these shingles meet?
A: Compliant with ASTM D3462, D3018, D3161 Class F, D7158 Class H, E108 Class A; CSA A123.5 (Canada only); Miami-Dade County Approved.
Q: What is the warranty?
A: 25-Year Limited Warranty with a 60 mph limited wind warranty.
Timeless Texture, Elevated Curb Appeal
The Dual Brown palette layers rich, earthy tones that instantly warm a faade and ground the architecture with quiet confidence. A crisp three-tab silhouette brings classic rhythm and neat lines to the roofscape, pairing beautifully with brick, stucco, or board-and-batten siding. Style with bronze hardware and deep espresso trim to echo the shingles dimensional grain. A refined essential, it lends a polished, enduring finish to luxurious everyday living.
Choose Marathon Plus AR to give your home a durable, algae-resistant roof with classic style and dependable performance.