The National Association of Home Builders has published residential construction guidelines for professional builders and remodelers, which outlines the variances and the degrees of tolerances in construction that are deemed acceptable by the building industry.

These guidelines do not supersede any code or local requirements. They are generic in nature and open to interpretation. They cover such issues as tile cracks, building settlement, plumbness of walls and many other building deficiencies that are to be expected with new construction. It also outlines what you should expect of your builder to correct an issue if it is outside the accepted tolerance. It is important to understand that many builders have adopted and practice what are termed "industry standards." Frequently, these "industry standards" do not meet any acceptable tolerance criteria and/or building codes but code officials approve them as an alternative acceptable practice. For further and more detailed information, you may obtain a copy of the residential construction performance guidelines for professional builders and remodelers at: www.NAHB.org, or telephone 202/822-0216.