Shingle Roofing


Marathon 25 AR

Traditional 3-Tab Shingles

Years Of Manufacturing: A Testament Of Quality Workmanship.
Marathon 25 AR shingles are a time-tested, traditional three-tab shingle. Offering excellent reliability and supported by a proven track record, these shingles are at the top of their class in terms of performance and value. Marathon 25 AR shingles feature an algae resistant granule and a limited 25-Year Warranty.

Suit Your House’s Color—And Budget.
The Marathon’s huge color selection makes it easy to find a 3-Tab shingle to match your home. IKO’s North American manufacturing plants all use the same computer-controlled technology making all roofing shingles consistent in color, size, shape and quality, so you always get the color you picked from your product sample (and the quality you expected).

See how any of the 3-Tab Shingle colors will look on your roof.

NOTE: Not all products featured will be available in your area.




ASTM D3462
ASTM D3018
ASTM D3161 Class F
ASTM E108 Class A
ASTM D7158 Class H
CSA A123.5
CSA A123.51
CSA A123.52
Miami-Dade Approved²


Size:1000 mm x 336 mm (39 3/8″ x 13 1/4″)
Exposure:143 mm (5 5/8″)
Coverage Per Package:3.0 m² (32.3 sq. ft.)
Qty Per Pallet:60 bundles
Shingles Per Square:65
Quantity Per Unit/Package:21 shingles/bundle
Warranty Term:Limited 25 year¹
Limited Wind Warranty Upgrade:97 km/h / 60 mph¹
Fire Resistance Rating:Class A
Iron Clad Protection Period:5 years¹
Product is designed and tested to comply with ASTM/CSA Standards at time of manufacture prior to packaging.
¹ See Limited Warranty for complete terms, conditions, restrictions and application requirements.
² NOA # 10-1122.04 for Marathon 25 AR product made in Brampton or Hawkesbury. Expiry date 5/5/2016
Note: All values shown are approximate. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. However due to manufacturing variances, the limitations of your monitor resolution, and the variation in natural exterior lighting, actual colors may vary from the images you see. To ensure complete satisfaction, please make your final color selection from several full size shingles and view a sample of the product installed on a home.


Application Instructions

Material Safety Data Sheets

Technical Data Sheets

IKO Cambridge HD/Cambridge Roofing Testimonials