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The simple explanation that describes the function of an exterior wall assembly is that it separates the exterior environment from the interior environment. To perform this “simple function” the assembly must control heat flow, control air flow, control water vapor flow, control rain penetration, control light, solar and other radiation, control noise, control fire, [...]
This post is the first of a series of articles that will guide you through the intricacies of HVAC (Heating, Ventilation, and Air Conditioning) design, with a focus on high-performance homes and buildings. We're fortunate to partner with Jake DeWerth, an experienced HVAC Design & Building Performance Expert from Florida, for this deep-dive series. This [...]
In a previous Logix Brands blog post “Transition Details at Grade” were reviewed and one finding was that failures often don’t occur in the field of a wall, roof or the foundation, but rather at the transition from one control layer or material to another control layer or material (i.e. air control layer from [...]
Buildings need a lot of things to be successful. As Joseph Lstiburek, Ph.D. from Building Science Corporation would say, “What we call things tell us a great deal about how much we understand things. If we don’t call things by their right names, we don’t really understand how things work. If we don’t understand [...]
Adding exterior continuous insulation such as, Halo® Exterra®, to an above grade wall assembly helps to keep the air behind the foam board insulation at a higher temperature. The benefit of air at a higher temperature means it can hold more moisture. This attribute is clearly illustrated when reviewing various air temperatures and the [...]