Florida Roofing Magazine- March 2022

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depletion of the sacrificial layer will occur at different rates. In contrast, barrier coatings form a protective layer between the potential corrosive elements and the steel. Since these coatings are not consumed, they typically provide longer corrosion resistance and longer fastener life. All corrosion needs a catalyst. For roofing that catalyst is water. Leaks, condensation and reroofing over wet insulation and decks can introduce and trap moisture and lead to the potential risk of accelerated corrosion. While the fasteners may be protected, the deck may be vulnerable. The potential for problems varies with deck type. Bottom line: existing materials that are wet must always be removed. High performance roofing fasteners are a critical component of nearly every roofing system on the market. Proper fastener selection is imperative if the system is to perform to its full potential. It is important to work closely with the roof cover manufacturer to make sure the right fastener and stress plate is being used for the assembly. It is also important to follow all the manufacturer’s specific fastening patterns and installation procedures. There are several constructions that have very high-wind ratings if installed in accordance with strict guidelines, including deck attachment and

preparation. Don’t be intimidated, work with the cover manufacturer to help with proper selection and field support. FRM As the Technical Services Manager for OMG Roofing Products, Stephen Childs leads the team that manages all technical services, including codes and approvals, pull tests, application reviews, warranty support and technical training. In addition, he serves as OMG’s technical representative to various industry associations and groups. Stephen is a member of the National Roofing Contractors Association (NRCA), the Single-Ply Roofing Industry (SPRI) and the International Institute of Building Enclosure Consultants (IIBEC) and holds a Bachelor’s degree in Mechanical Engineering from the University of Massachusetts, Amherst, Mass.

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