CSSBI 21M-2017: Standard for Steel Farm Roofing and Siding

PREFACE One of the objectives of the Canadian Sheet Steel Building Institute is the development of product standards to promote sound construction using safe building practices. This Standard is intended to further this objective by providing to buyers, manufacturers and installers of steel farm roofing and siding, information which can be used or adopted by reference where desired. The requirements contained herein are in accordance with accepted engineering principles, augmented by experience. They include recommendations covering steel thicknesses, minimum metallic coating designations, as well as design, manufacture and installation in general.