Code Check Building 5th Edition for the 2021 IRC


Code Check Building has been expanded to 50 pages for the 2021 IRC. It also includes notations of the changes that took place from the 2018 edition, so the book can be used in jurisdictions using either of those code editions.

  • Based on the first 10 chapters of the 2021 IRC
  • Annotated changes from the 2018 IRC
  • Print flip-chart version has been expanded to 50 pages
  • Print book contains 86 Illustrations and 61 tables
  • eBook version contains 100 illustrations and 79 tables
  • Includes added material on bracing, decks, and concrete
  • Publisher’s list price 29.95, print book introductory price 26.95


Original price was: $29.95.Current price is: $26.95.
Original price was: $59.90.Current price is: $49.95.


The flip-chart version of Code Check Building has been expanded to 50 pages and is updated to the 2021 IRC. Changes from the 2018 IRC are annotated and explained, so the book can be used in jurisdictions using either of these code editions. Includes 86 illustrations and 61 tables. Additional tables that would not fit into the book, such as rafter spans for all possible snow loads, are downloadable (see “additional tables” tab). The eBook version is a pdf file with enhanced navigation features and contains 100 illustrations and 79 tables.

  • eBooks are readable with Adobe Acrobat or Adobe Reader. Other PDF viewers, such as Preview, will not display the illustrations or navigation tools. Adobe reader is a free download.
  • NOTE! When you purchase an eBook, the books are not instantly available. Within 20 minutes and up to 12 hours, you will receive an email with the file as an attachment. Please be sure that your spam filter does not block messages from Machelle Walker or from
  • Electronic Book Licensing:    CodeCheck eBooks are licensed for a single user on up to 4 personal devices.  The eBook may be used on one device at a time.  This limited license does not allow the installation of the eBook for use in a shared network accessible to multiple individuals whether internal or external.  This includes services such as DropBox, OneDrive, etc.   If you would like to purchase eBooks for use by multiple individuals, your company, building department, etc., please use the contact form at the top of the page to obtain a quote.

Print Book Sample Pages

Click here for sample pages

Additional Tables


Page 36, left column, 8th bullet, says a ridge board is required. The IRC 2018 edition allowed the use of collar ties or ridge straps in lieu of a ridge board. The 2021 edition requires either (1) a gusset or (2) a ridge board with collar ties or ridge straps.

eBook Sample Pages

Click here to see sample pages