Keep up to Date! Get the Newest Software Version Here

Newest software versions are available to anyone with a valid license at no extra charge. The software is actively supported through comprehensive engineering support as well as technical releases including bug fixes and the addition of new features.
The most recently released Version 4.1 addresses a number of technical issues, as well as integrating the new license type which allows the the same license to be used year over year.
A full history of software releases and documented changes can be found below:
Released June 14th, 2021

MASS™ Version 4.1

The release of Version 4.1 addresses several technical issues that were present in Version 4.0, as well as adding support for a new type of renewable serial numbers. A news release post can also be found here. A full change log can be found here.

Released July 23rd 2020

MASS™ Version 4.0

NMDP is proud to announce the release of MASS™ Version 4.0 which adds more seismic considerations to the software’s scope, as well as introduces a new multi-storey shear wall module which can design several elements with just a few clicks. For a full outline detailing what is new in Version 4.0 click on the “List of Changes” boutton to visit the new software documentation website (replacing the old help files). A news release post can also be found here.

Released September 25th 2017

MASS™ Version 3.0

The release of Version 3.0 takes everything from previous software versions and adapts it to the latest editions of the CSA Standards, including the S304-14: Design of Masonry Structures which is referenced in the 2015 National Building Code of Canada. For a full outline detailing what is new in Version 3.0 click above to download the List of Changes PDF or refer to section 1.6 of the Help files within the software. A news release post can also be found here.

Released September 25th 2017

MASS™ Version 2.2.1

Upon the discovery of a bug wihtin the CMDC office ahead of the MASS Version 3.0 release, the bundled installation of MASS Version 2.2 was recompiled and released as MASS Version 2.2.1 with the bug addressed for all projects still using the 2004 CSA Standards. It should be noted that there are no plans to support Version 2.2 rolling forward and all future bug fixes will be addressed in the most recently released version of MASS.

Released April 25th 2016

MASS™ Version 2.2

The release of MASS™ Version 2.2 marked what was intended to be the final release that designs using the 2004 edition of the CSA S304 masonry standard. The most notable changes include an in-plane shear design overhaul which addresses the Mf/Vfdv ratio bug which can be found on our “Known Bugs” page. The welcome screen was also been updated to a more modern interface with direct access to recent projects as well as other helpful information. For a full outline detailing what is new in Version 2.2 click above to download the List of Changes PDF or refer to section 1.6 of the Help files within the software.

Released June 24th 2015

MASS™ Version 2.1

The release of Version 2.1 added fire resistance rating results, improved shearline drawings, improved stability for the custom unit database, as well as other bug fixes. Printing functionality has also been expanded to use the default browser rather than Internet Explorer.

Released June 4th 2014

MASS™ Version 2.0

Improvements seen in MASSTM Version 2.0 are based on direct feedback from the design community in order to provide the best possible design experience. The single most requested feature was the ability to design shear walls with openings and movement joints. The layout and and functionality have been carried over from Version 1.1 for a quick and easy transition for the origanl three modules; Beams, Walls and Shear Walls.

Released March 6th 2012

MASS™ Version 1.1

Version 1.1 is functionally the same as the launch version with several small user interface and bug fixes throughout.