Massachusetts Updating to 2006/2007 IECC & ASHRAE 90.1-2007 on October 6

The 7th Edition of the Massachusetts State Building Code Chapters 13 and 61 have been updated to include the 2006 IECC with the 2007 Supplement and ASHRAE 90.1-2007 with state-specific amendments (including a long-standing requirement for air barriers).

The new edition will become effective on October 6, 2008. The residential code update will become fully effective immediately. For commercial buildings, there will be a 6-month interim period in which either the 6th or the 7th edition of the commercial code can be used.

The most recent information on the new code from the Massachusetts Executive Office of Public Safety and Security (EOPSS) is available for download.

For Massachusetts code status information, please consult the BCAP Massachusetts Code Status page.