Goss s Roofing Ready Reckoner provides rafter dimensions for timber roofs of any span and pitch. Additional information is provided on wall plate and gable strapping, wind bracing, truss clips and other roofing metalwork, and tools and equipment. This new edition includes roof timber member design tables, information on warm and cold roofs, their ventilation and insulation, plus detailed drawings for tiling, slating and other roof coverings.