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®.