This article in Roofing Magazine by KJ Fields ran in the March/April 2017 issue.
American International Industries was faced with a conundrum. The roof diaphragm on its 1968, 210,000-square-foot, wood-frame manufacturing facility in Los Angeles had deflection caused by structural settlement, but a full roof replacement was not an option.
“The roof was built without a substantial amount of pitch to it and the plywood deck in between the main purlins had settled over time,” recalls Rick Cunningham, president of Highland Commercial Roofing in Baldwin Park, Calif. “Removing the existing roof and deck and restructuring a roof of this size to return it to its original slope was financially unfeasible.”
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