How IKO Shingle Dimensions Provide an Advantage

Compare the sizes and advantages of every asphalt roofing shingle IKO produces

Once upon a time, traditional strip or 3-tab shingle dimensions, as well as asphalt shingle dimensions, measured 12 inches wide by 36 inches long. These are still considered standard asphalt shingle dimensions.

IKO was among the first manufacturers to introduce the “metric-size” roofing shingle, defined as being 13-1/4 inches long by 39-3/8 inches wide. Admittedly, it’s rather confusing to call a shingle “metric” and then proceed to define it in Imperial measure; however, 39-3/8 inches is the equivalent of one meter.

This increase in size provided greater coverage and exposure. It’s estimated that the larger size allowed installers to lay a roof up to 10 percent faster than with the smaller standard-sized shingle, providing a considerable time and labor-saving advantage.

Below is a handy chart to check IKO shingle dimensions at a glance:

IKO SHINGLE DIMENSIONS & EXPOSURE*
SHINGLE SIZE EXPOSURE
ArmourshakeTM
Premium
37-3/8″ x 18-1/2″
(950 mm x 470 mm)
5-1/2″
(140 mm)
Crowne SlateTM
Premium
39-1/2″ x 13-1/4″
(1,003 mm x 336 mm)
10″
(254 mm)
Royal EstateTM
Premium
40″ x 13-1/4″
(1,016 mm x 336 mm)
5-5/8″
(143 mm)
NordicTM IR
Performance
40-7/8″ x 13-3/4″
(1,038 mm x 349 mm)
5-7/8″
(149 mm)
Dynasty®
Performance
40-7/8″ x 13-3/4″
(1,038 mm x 349 mm)
5-7/8″
(149 mm)
CambridgeTM
Architectural
40-7/8″ x 13-3/4″
(1,038 mm x 349 mm)
5-7/8″
(149 mm)
MarathonTM
Traditional
39-3/8″ x 13-1/4″
(1,000 mm x 336 mm)
5-5/8″
(143 mm)
MarathonTM PLUS AR
Traditional
39-3/8″ x 13-1/4″
(1,000 mm x 336 mm)
5-5/8″
(143 mm)

*All values shown are nominal.

Today, the dimensions of architectural shingles may vary from one manufacturer to another for several reasons, such as the physical limitations of the laminators, the dimensions of the fiberglass mat used (especially if the manufacturer makes its own as IKO does), the profile, cut and shape of the individual shingles or simply to create a point of competitive differentiation.

IKO offers four different categories of quality asphalt shingles: Premium, Performance, Architectural and Traditional (3-tab) Collections. The size and exposure of the shingles within each Collection vary, as shown in the chart above.

For example, IKO MarathonTM and IKO MarathonTM Plus AR belong to the Traditional Collection of 3-tab shingles and possess those standard metric shingles dimensions.

We hope you’ve found these explanations and this comparison chart useful. For more information, please read this article on shingle exposure, ask your local IKO sales rep or find a reputable roofing professional close to your home.

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