The staining and discoloration of stone

Discusses the problems associated with the staining and discoloration of stone used in building projects, based on the experience of experts at Messrs Sandbergs, Consulting Engineers. Outlines the difference between staining and discoloration. Shows how marble, limestone, granite and sandstone are affected by discoloration, and continues by describing other problems unrelated to stone type – quarry problems, cutting and finishing, packing, transportation and storage, construction design and contamination. Details a variety of methods used to determine stain type and emphasizes the importance of obtaining specialist advice in dealing with the problem.