"Masonry consultant" is a term that scarcely existed 20 years ago, but these days a growing number of practitioners are hanging up their shingles. One reason for the upsurge is the increasing complexity of masonry construction, which now encompasses techniques and details far different from traditional practices. Probably the largest group of masonry consultants are those who have an engineering background, with either a structural or architectural emphasis. Others are materials engineers, with specialized knowledge of ceramic engineering or cement chemistry. The hallmark of most consultants' work is variety; their responsibilities can change from project to project, client to client. The responsibilities may include; reviewing new designs,investigating problems and designing repairs, evaluating varied repair proposals, and briefing contractors and overseeing construction.