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Trimjoist Corporation distributes this software free of charge to anyone in the professional building trade. If you feel that you may need assistance specifying and/or using our products or software, please contact our technical staff, toll free at (800) 844-8281 Ext 7120. By downloading our software, you are confirming that you are a licensed architect, engineer, or other building design professional, and that you are competent in the design, specification, and use of structural materials and products.

Please select from the list below the version of TPDS you wish to download. We recommend that you always download the current version unless an older version is needed for a specific purpose. Trimjoist Corporation makes periodic changes not only to software, but also to the design and specifications of our products. Therefore, consult with a Trimjoist technical advisor before downloading and using the old versions of TPDS.


Version Build Release Date Status Notes
5.5.18 289 June 16, 2016 Current NDS 2015 / IBC 2012 / MSR / Minor bug eradication
5.5.14 274 Febuary 4, 2015 Deprecated NDS 2012 / IBC 2012 / MSR / Minor bug eradication
5.5.11 271 July 30, 2014 Deprecated NDS 2012 / IBC 2012 / MSR
5.5.7 268 July 23, 2012 Deprecated NDS 2005 / IBC 2006 / MSR
5.5 261 November 10, 2010 Deprecated NDS 2005 / IBC 2006 / MSR
5.3 248 January 6, 2009 Deprecated NDS 2005 / IBC 2006
5.2 126 November 20, 2005 Removed NDS 2005
5.1 113 November 10, 2005 Removed NDS 1997