The GAF
Marquis WeatherMax is part of the
Roofing test program at
Consumer Reports. In our lab tests, Asphalt Shingle
models like the Marquis WeatherMax are rated on multiple criteria, such as those
listed below.
Weight/100 sq. ft.:
Weight in pounds as per 100 square feet.
Strength:
Strength denotes flexibility and resistance to tearing, stretching, as well as loss in strength due to exposure to elements.
Wind:
Wind is how well edges resisted lifting force, based on how well shingles held together.