Skip to main content

Appraisal number: 1079 (2020)

Date issued: 28 Feb 2020

Gamma Wall Bracing Systems


Gamma Wall Bracing Systems are a range of wall bracing systems based on the use of Gamma Bracing Frames. Gamma Bracing Systems are used to resist earthquake and wind loads on timber-framed buildings designed and constructed in accordance with NZS 3604:2011 or to a specific engineering design (SED). The Gamma Bracing Software Calculator provides an electronic means of calculating bracing demand and resistance. 


Gamma Wall Bracing Systems have been appraised for design and use as interior wall bracing systems in buildings within the scope limitations of NZS 3604:2011 or to a specific engineering design (SED).

Technical literature

  • Gamma Bracing Systems Technical Installation Manual, January 2020
  • Gamma Bracing Software Calculator, v4, February 2020 

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

Gamma Bracing Technologies Ltd
Phone: 0800 272 733

Marketer details