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Flat Roofing Specialist! Commercial Low-Slope Systems

Flat Roofer Association

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November 1st, 2010 at 6:17 pm

LEED – Mechanical FinishesMechanically Curved – Oil Canning


The Leadership in Energy and Environmental Design (LEED) Green Building Rating System, developed by the U.S. Green Building Council (USGBC), is a third-party certification program and the nationally accepted benchmark for the design, construction and operation of high performance green buildings. LEED promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health: sustainable site development, water savings, energy efficiency, materials selection and indoor environmental quality.

Low Temperature Flexibility

The ability of a membrane to remain flexible (resist cracking) after it has been exposed to low temperatures. Roofing membranes encounter extreme weather conditions and resisting cracking at low temperatures this is vital to the long-term performance of roofing membranes in colder climates. Low temperature flexibility is directly related to the amount of rubber incorporated in the membrane. Since the rubber modifier also increases UV protection, the better the low temperature flexibility, the greater UV protection a membrane will have. Therefore, low temperature flexibility is a vital criteria for warmer climates as well.

Mechanical Finishes

Mechanical finishes are raised features on metal panels. These features are mesa patterns, pencil lines, or stucco embossing. Mechanical finishes help to reduce oil canning and strengthen the panels. Garland uses mechanical finishes to increase the performance of our metal roof systems, and also to add to their aesthetic appeal.

sources: The Garland Company, Inc.®

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