MasterFormat® 2018 edition is now available for purchase.
Purchase of the MasterFormat 2018 Edition includes the following
The MasterFormat 2018 Edition replaces all previous editions. It
is produced jointly by CSI and Construction Specifications Canada (CSC).
PLEASE NOTE: MasterFormat does NOT INCLUDE PRE-WRITTEN
If you need specifications, CSI can help you learn how to use
MasterFormat and prepare specs, or help you meet specifiers who can
consult with you on your project. Contact CSI at firstname.lastname@example.org
to find a CSI chapter or learn more about CSI's education and
If you want to obtain pre-written specifications, the major
master guide specification providers in the United States all
implement MasterFormat. Each has a library of regularly updated
specifications that you can subscribe to. CSI recommends master
specifications provided by Building Systems Design.