Mega Lath is Versatile and Helps Stucco Walls Achieve Higher LEED Ratings

Issued: March 2016

 

Steel framed buildings have many advantages, but the major negative is the thermal bridging losses through the steel webs. More stringent energy codes are forcing architects and designers to devise new designs to not only meet present requirements, but to strive further to achieve higher LEEDS ratings, and ultimately strive toward net zero buildings.

External insulation is now commonly being used to achieve these improved values. However, there are challenges for supporting cladding loads directly through the external insulation. As a result, sub framing must be added in the form of metal hat tracks or Z-girts. If these are oriented vertically, there is still significant thermal bridging transmission. By applying these sub components horizontally, bridging losses are most effectively reduced.

However, there are challenges in installing claddings such as stucco to horizontal members. Lathing standards require that lath be applied with the long dimension at right angles to the supports. To meet this requirement, the lath must therefore be applied vertically.

Structa Wire Corp has innovated a system with their Structa Mega lath that meets all the structural and performance requirements for this application. This installation option is now described and included in their ER 2017 Evaluation Report.

The benefits and advantages of this system are:

 

Please contact us for more information about this and other technical questions 1 800 887 4708

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