20 Claves para mejorar la fábrica

Specifically written for contractors and small businesses carrying out small works, Spon's Estimating Cost Guide to Roofing contains accurate information on thousands of rates, each broken down to labour, material overheads and profit._x005F_x000D_This is the first book to include typical project costs for slating and tiling, sheeting, cladding and other coverings, rooflights, underfelt and battens, repairs and alterations, and different sized houses.