Don't Take the Manufacturer's Word for It! Everybody knows about pre-engineered buildings - they now account for almost 70 percent of all new low-rise construction in the United States. But few architects, engineers, or buyers know enough about them. This completely revised and updated reference - the only one from an author unaffiliated with an industry trade group - offers valuable and unbiased information that can save you money and time - and that may even save your building!