Abstract
In hurricane prone areas, and other areas that may be subjected to high winds, it is critical that the home-owner or designer understand the impact high wind forces may have on the structural roof system. Sheathing fastening techniques are available that will maintain a safe and long-lasting roof system, even under these adverse conditions. The paper was developed by APA staff to illustrate the effects of high winds on wood frame roofs, and to provide solutions that the home-owner or designer can use to increase the roof’s resistance to wind damage. The paper presents a novel concept for “detecting” existing nail spacing. If an inadequate nail density is detected, then two techniques for retrofitting the roof are presented. One method is to simply add more fasteners during a routine re-roofing project. The second method provides an in-situ method that utilizes adhesive to attach the roof sheathing to the roof-framing members.
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