We model critical facade assemblies to affirm the condensation resistance using the theory of water vapor migration. This data is combined with the system criteria for air infiltration to pinpoint potential breach areas and supplements the design and/or installation methods. We work with the MEP consultants to develop strategies to maintain internal airflow to further mitigate condensation under peak conditions.
With glass typically comprising a minimum of 40% of the facade, it is critical to select glass that will provide optimum thermal performance balanced with aesthetics and costs. Utilizing advanced software, we analyze glass coatings, spacers and makeups to determine the highest and best glass solution. We further evaluate the comfort level at the vision glass line to determine temperature variables with both natural ventilation and the mechanical systems melded with the glass performance.
As modern facades become more articulated in plan and surface plane, thermal performance has become more of a challenge. We evaluate strategies for the specific climate including thermal improvement, thermal isolation and thermal reflectance for the entire facade of the building. The strategies are modeled to illustrate vulnerable areas, which then receive special attention during design engineering, production and installation.
One of the major causes of facade failures is the thermal stress imposed on the facade elements. During the thermal stress analysis, we consider self-shading of glazed surfaces; freeze-thaw exposure of natural materials such as stone; and metal fatigue at high and low temperature ranges, among others.
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