This is the resource that code users are raving about - a guide that helps to identify specific changes between the 2006 and 2009 editions of the International Residential Code, while also providing the reason and rationale behind those changes. This book's effectiveness lies in its focus, which is primarily aimed at the most critical provisions, the most commonly used provisions, and provisions that have had a significant change in application, so that users can readily identify what changes occurred and why. A straight forward analysis of the impact of each change on the code's application rounds out the comprehensive coverage. This resource also helps to familiarize building and fire officials, plans examiners, inspectors, design professionals, and others in the building construction industry with the many important changes that have resulted in the 2009 International Residential Code.logically organized content follows the layout of the Code for quick and accurate identification and understanding of key changesformat imitates style used in code-change proposals, with deleted code language shown with a strike-through, and new code language indicated by underlining, which highlights the important changes visuallyeach change analysis also includes supporting technical documentation to assist readers in understanding the details of the requirementsfour color layout with detailed line art and photographs illustrate correct and incorrect designs and installations"Change Significance" describes why each change is important and how it can be applied in the field, providing readers with a thorough understanding of the code revisions as they pertain to the real worldideal tool for transitioning to the 2009 Code or for a historical reference in years to come to examine evolution of the Codedirect comparisons between previous and new code language help readers to identify the root of code changes and exactly what they mean