StormMaster Shake

StormMaster Shake is a polymer-modified architectural asphalt shingle from Atlas Roofing with a shake-style appearance. It is made for steep-slope roofs in the United States and is the designer shingle of the Atlas range, with a Class 4 impact rating. The data sheet is numbered ATL-236553-00 and dated 12/23.

The shingle is manufactured with Core4 polymer-modified technology and uses the HP42 wide format.

Core4 is an asphalt core made with a polymer-modified blend. The HP42 format has a Sweet Spot nailing area with a FASTAC double sealant line, and the exposure is 6 inches.

StormMaster Shake is 42 inches long and 14 inches wide.

• Length: 42 inches (1066.8 mm)
• Width: 14 inches (355.6 mm)
• Exposure: 6 inches (152.4 mm)
• Shingles per bundle: 18 to 20

The shingle has FASTAC double sealant lines. Sealant protection tape is on the back of each shingle and is not removed before application.

The listings are:

• UL 2218, Class 4 impact resistance
• FM 4473, Class 4 impact resistance
• IBHS Hail Test/ASTM WK78591, rated Excellent (PRI)

The UL 2218 Class 4 test simulates a 2 inch hailstone, and the shingle must show no fractures or cracks.

Other listings are:

• UL 790, Class A fire resistance
• UL 2390, Class H wind resistance
• ASTM E108, Class A fire resistance
• ASTM D7158, Class H wind resistance, passed at 150 mph
• ASTM D3161, Class F, tested at 110 mph
• ASTM D6381, uplift resistance
• ASTM D3018, Type 1
• ASTM D3462, as manufactured

StormMaster Shake meets AC438 criteria and CAN/CSA-A123.5-M90, is Florida Building Code approved (FL 16305) and is Miami-Dade County Product Control approved. StormMaster Shake is covered by a 160 mph wind limited warranty.

The shingle features 3M Scotchgard Protector against black streaks caused by algae, and 3M Smog-Reducing Granules with a patented photocatalytic coating that converts smog into nutrient-rich plant food.

In the shake-style shingle the Scotchgard Protector granules contain copper under a proprietary 3M porous ceramic coating. Copper ions are released slowly.

The smog-reducing granules convert nitrogen oxide gases into nitrate that washes away with rain.

StormMaster Hip & Ridge shingles and Pro-Cut HP42 starter shingles are the companion components for this shingle.

This line is The Shake line meets the FORTIFIED Roof Ready label of IBHS. The 160 mph wind rating of the Shake line applies only with a Signature Select system.

StormMaster Shake is available in 10 colors:

• Grand Teton
• Pewter
• Copper Canyon
• Black Shadow
• Moonlight Beach 2.0 (cool color, SRI 21)
• Morning Harvest
• Midnight Lake
• Chestnut
• Aspen Grove
• Weathered Wood

The SRI value is an initial value for the Moonlight Beach 2.0 color.

The color families are brown, gray, blue, black, red and tan. Moonlight Beach, Midnight Lake, Grand Teton and Aspen Grove are the newer colors. Grand Teton is the 2026 Color of the Year.

The shingle has a Lifetime Limited Warranty and an Atlas Lifetime Algae Resistance Limited Warranty. The algae warranty requires StormMaster Hip & Ridge shingles featuring Scotchgard Protector, or Pro-Cut High Profile Hip & Ridge shingles featuring Scotchgard Protector. To qualify for the Signature Select Warranty, StormMaster Shake requires StormMaster Hip & Ridge Shingles. The shingle is Atlas Signature Select eligible.

StormMaster Shake is installed on steep slopes like other asphalt shingle roofing in the Atlas range. Atlas publishes warranty installation instructions for StormMaster Shake and complete 3-part specifications for its shingles.