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Fastener Choices <br /> When choosing a fastener for CraneBoard Siding products, Crane Performance Siding recommends <br /> that�rst, you check with/oca/bui/ding code officials for possible requirements. In lieu of special code <br /> requirements, Crane Performance Siding recommends the following; <br /> Nails: <br /> • Nails should be a minimum of 2 '/z" in length and able to penetrate not <br /> less than �/." into framing or furring. <br /> • Nail is to be made of galvanized steel or other corrosion resistant material and should have a <br /> head of at least 5/�s" in diameter and a shank of%e". <br /> Screws: <br /> • Screws must not inhibit the expansion and contraction of the panel(s). Screws should be able <br /> to penetrate not less than'/" into framing or furring and should be: <br /> • Size#8, truss head or pan head. <br /> • Corrosion-resistant, setf-tapping sheet metal type. <br /> Staples: <br /> • Staples must not inhibit the expansion and contraction of the panel(s) and must be: <br /> • not less than 16 gauge semi-flattened to an elliptical cross-section. <br /> • a minimum of�/�s"crown, 1 '/." in length and able to penetrate not less than 3/," into <br /> framing or furring. <br /> Wall Preparation <br /> New Construction <br /> � CraneBoard must be installed over rigid sheathing. Consult local building codes for <br /> specific sheathing requirements. CraneBoard should never be applied directly to studs <br /> without sheathing. <br /> Residing <br /> • CraneBoard is designed to be installed directly over existing siding without the need for <br /> additional wall leveling underlayments providing the existing siding is not extremely <br /> uneven such as split cedar shake siding. In these situations, it is advisable to first <br /> remove the existing siding before installing CraneBoard. Note that CraneBoard must <br /> not be applied directly to studs without rigid sheathing. If, after removing the existing <br /> siding, there is no sheathing, sheathing must be applied. Consult local building codes <br /> for specific sheathing requirements. <br /> � It is important to nail down loose boards of existing siding, and replace any rotten ones. <br /> • Scrape off loose caulk and re-caulk around doors, windows and other areas to resist <br /> moisture penetration. <br /> 3 <br />