IKO Marathon Plus AR Algae-Resistant 3-Tab Asphalt Shingles, Dual Brown, 39-3/8 in x 13-1/4 inAlgae 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

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.

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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

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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

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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.

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Q: How many bundles are needed per roofing square?
A: Three bundles per square; coverage per bundle is approximately 32.3 sq ft.

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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.

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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.

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Q: What is the warranty?
A: 25-Year Limited Warranty with a 60 mph limited wind warranty.

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Timeless Texture, Elevated Curb Appeal

The Dual Brown palette layers rich, earthy tones that instantly warm a façade 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 shingle’s dimensional grain. A refined essential, it lends a polished, enduring finish to luxurious everyday living.

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Choose Marathon Plus AR to give your home a durable, algae-resistant roof with classic style and dependable performance.