Malarkey – NORTHWEST-XL™- Asphalt Roofing Shingles


Malarkey’s revolutionary Northwest-XL™ shingle technology begins with a durable base layer of fiberglass mat. Malarkey’s unique fiberglass mat is coated on both sides with quality asphalt which provides long term weatherability and granule adhesion, protecting your investment.


One of the most critical aspects of a successful roofing project in Calgary is correct shingle installation. Improper fastener placement is the leading cause of incorrect shingle installation and can subsequently void the warranty. The Northwest-XL™ is manufactured using the patented ZONE® technology which includes a tapered nailing area over three times larger than other laminate shingles. The ZONE’s® larger nailing area dramatically improves correct fastener placement.



NORTHWEST-XL™ – Asphalt Roofing Shingles


  • 40 Year Limited Material Warranty
  • 80 mph (129 kph) Limited Wind Warranty
  • 120 mph (177 kph) Enhanced Wind Warranty Available
  • Northwest XL™ 20 year Scotchgard™ Algae Resistance Warranty
  • Your Choice™ Warranty Program
  • 10 year Right Start™ Warranty


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