Sets out recommendations for all classes of self-supporting metal roofing. Sections deal with materials in the form of sheets, rolled sections and extrusions used for manufacture of roofing and accessories and for fastenings; design of roof, including loadings, slope, drainage, compatibility of materials; installation, including safety precautions, supports, laying, fixing, projections; testing for resistance to concentrated forces and wind forces. Appendices provide information on ventilation and describe load testing procedures.