Published by the Copper Development Association Inc. to highlight market development news of the copper and brass industry Winter 1999 
Snow guards soldered onto the factory-fabricated copper roof segments of a 40-year-old building at the Wyeth-Ayerst-Lederle campus prevent ice and snow from sliding down on employees.
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"A Best Buy" "Based on life-cycle analysis, copper is a best buy." That's why Scott Burton recommended copper over other metal roofing to the management of the Wyeth-Ayerst-Lederle campus in Pearl River, New York. He's the property owner's project engineer for a $600,000 renovation of one of many buildings on the big campus. Most of the cost went into a new copper roof for the four-level building; the rest was for some masonry work and the tarred flat portion of the roof. The engineered roofing was fabricated by IMETCO, Tucker, Georgia, and installed by Pfister Roofing, Fairlawn, New Jersey. Most of the 20-oz material was delivered to length. Shorter segments making up V-shaped portions of the roof (see photo) were trimmed from longer lengths. The seams on the roof are only 16 inches apart to help provide uplift resistance to meet Factory Mutual I-90 requirements. 
Copper batten seam detail from Overly Manufacturing.
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The Edison Building in St. Louis is topped by an intricate, engineered copper roof. The manufacturer offers a 30-year warranty.
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Because the area is subject to much snow in winter, kidney-shaped snow guards were soldered to the engineered segments on site to prevent snow and ice from sliding off and injuring people entering or leaving the premises. The copper roofing replaced the original slate roof on the 40-year-old building, which houses both pharmaceutical research labs and some production facilities. Wyeth-Ayerst-Lederle is a division of American Home Products. The consulting engineer for the project was Raffi Abdur-Rahman, VSA & Associates, New York. IMETCO: 770/908-1030
Pfister: 201/791-3006
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