"Thermally Broken" Shelf Angles

February 24, 2021
12:30 PM - 1:30 PM
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Requirements for continuous insulation in above-grade wall assemblies are becoming more common to meet energy codes and energy efficiency programs that continue to shift the industry toward more stringent thermal performance standards.

Continuous insulation is an effective way of achieving high R-value walls; however, thermally inefficient materials, such as façade attachments, penetrate the building envelope causing thermal bridging significantly degrading the insulation’s thermal performance. Heavy masonry veneer claddings require a robust structural attachment system to transfer cladding loads back to the primary structure. To resist the imposed forces masonry veneer claddings are traditionally connected by a combination of intermittent anchors and shelf angle to the building structure. While supporting the imposed forces structural penetrations such as these reduce the effective R-value of the wall assembly. This presentation will focus on thermally efficient methods for masonry cladding support.

Specifically, we will focus on:

1. Identify thermal bridging in masonry construction

2. Methods for mitigating thermal bridging, including proprietary solutions

3. Comparison of conventional shelf angle installation to other methods, including an examination of the following topics;

• Adjustability for construction tolerances;

• Thermal performance;

• Cost; and

• Installation methods.

REGISTER HERE: https://attendee.gotowebinar.com/ register/4536520516832660491