Atlas StormMaster Slate Shingles with Scotchgard Protector, Blackstone Slate – 22-11/16 in L x 18-1/2 in W, 8-1/2 in ExposureStormMaster Slate Asphalt Shingles with Scotchgard Engineered for severe weather, these Atlas StormMaster Slate asphalt shingles feature Scotchgard Protector to help prevent black streaks from algae. Built with rubberized polymer and Core4 Technology, they deliver strength, flexibility, and long term durability with a slate inspired look. Key Features: Severe Weather Performance: Rated to 130 mph wind and designed to resist pounding rain and

StormMaster Slate Asphalt Shingles with Scotchgard

Engineered for severe weather, these Atlas StormMaster Slate asphalt shingles feature Scotchgard Protector to help prevent black streaks from algae. Built with rubberized polymer and Core4 Technology, they deliver strength, flexibility, and long-term durability with a slate-inspired look.

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Key Features:

• Severe-Weather Performance: Rated to 130 mph wind and designed to resist pounding rain and destructive hail
• Algae Resistance: Scotchgard Protector helps prevent black streaks for lasting curb appeal
• Core4 Technology: PolyCore, FlexCore, WeatherCore, and ThermalCore enhance strength, flexibility, impact and thermal performance
• Durable Construction: Rubberized polymer asphalt for crack resistance and longevity
• Efficient Coverage: 8-1/2 in exposure; approx. 22-11/16 in L x 18-1/2 in W; 25 shingles per bundle

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Specifications Table:

Specification	Details
Color	Blackstone Slate
Material	Asphalt (rubberized polymer)
Style	Shingles (slate-look)
Length	22-11/16 in (576.3 mm)
Width	18-1/2 in (469.9 mm)
Exposure	8-1/2 in (215.9 mm)
Shingles per bundle	25
Bundles per square	3
Unit of measure	Bundle (BDL)
Approximate weight per bundle	75 lb
Wind resistance	Up to 130 mph
Applicable standards/approvals	ASTM D7158; ASTM D6381; ASTM D3018; ASTM D3161; ASTM D3462; ASTM E108; UL 2218; UL 790; UL 2390; Meets AC438 Criteria; CAN/CSA-A123.5-M90; Florida Product Approved; Miami-Dade County Approved
Warranty	Lifetime Limited Warranty
Technologies	Scotchgard Protector; Core4 Technology (PolyCore, FlexCore, WeatherCore, ThermalCore)

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Frequently Asked Questions (FAQ):

Q: How many bundles are needed per roofing square?
A: Three bundles per square.

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Q: What is the exposure of each shingle?
A: 8-1/2 inches (215.9 mm).

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Q: Do these shingles have an algae-resistance warranty?
A: They feature Scotchgard Protector; warranty details are provided under the Lifetime Limited Warranty documents from Atlas.

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Q: What wind rating do these shingles carry?
A: Up to 130 mph when installed per manufacturer instructions.

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Q: Are they approved for strict building codes?
A: Yes, they list approvals such as Florida Product Approval and Miami-Dade County Approval and meet multiple ASTM/UL standards.

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Slate-Look Drama with Enduring Depth

The StormMaster Slate shingle casts a richly textured shadow that elevates a roofline into a tailored architectural statement. Its Blackstone Slate tone delivers nuanced charcoal layers, echoing the elegance of quarried stone. Pair it with crisp white trim and matte black fixtures for a modern, high-contrast façade. This is the kind of finish that crowns a home with quiet luxury, built to endure the elements beautifully.

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Choose StormMaster Slate with Scotchgard to secure lasting curb appeal and weather-ready protection for your roof.