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Crafted in the high-dimension, designer style to emulate real wood shake, Windsor™ shingles are Class 4 rated for impact (highest rating possible to defend against hail).
Polymers from upcycled tires and plastic bags are added to Malarkey's proprietary NEX® Polymer Modified (Rubberized) Asphalt formulation rubberizes the asphalt core of the shingle to improve shingle strength and durability, while reducing landfill waste – extending product life.
Windsor® Scotchgard™ shingles have up to 40% greater tear strength and 65% greater granule retention than the industry standard (ASTM D3462), and meet the stringent IBHS FORTIFIED™ Roof requirements.
Each average-sized roof of Windsor® Scotchgard™ shingles diverts the equivalent of ~7 tires and ~7,100 plastic bags from the landfill.







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Malarkey® leads the asphalt roofing industry in the production of sustainable materials. They pioneered the use of upcycled plastic in shingles, and launched the industry’s first smog-reducing shingle. In 2022 Malarkey® was acquired by Holcim, which is a global leader in innovative & sustainable building solutions, with over 70,000 employees across 60 markets & four business segments: Cement, Ready-Mix Concrete, Aggregates, and Building Solutions & Products.
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• As of 2022, Malarkey® has diverted 4.8 million rubber tires and 3.3 billion plastic bags from the landfill, and has ‘planted’ 1.1 million trees.
• Malarkey is the only manufacturer to have achieved Green Circle Certification, and currently hold 13 GreenCircle Certified Recycled Content certifications and 3 GreenCircle Certified Waste Diversion from Landfill certifications.
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