Uplift resistance is one of the factors that determines how a roof system will perform. Proper attachment is key to preventing uplift. Since January of 1984, Factory Mutual and the roofing industry have recognized the need for proper attachment. As part of its evaluation of the complete roof system assembly, FM4470 includes wind uplift resistance as well as corrosion resistance of the fasteners and plate.
Below we have assembled a number of questions that are frequently asked at BURSI seminars. We’d like to acknowledge ITW Buildex and Olympic Fasteners for their assistance in providing answers to these questions.