The use of rainscreens can potentially contribute to a project’s earning points toward several different LEED Credits and other sustainability goals. Providing limitless design flexibility for a building’s exterior, rainscreen cladding options that can be attached include ACM, fiber cement, UHPC, modern composites, adhered stone veneer and stucco, among many others. Thereby dramatically increasing energy efficiency of the building and while protecting the vital and fragile primary building envelope. Intrusive tests may be required, alongside a more detailed review by a professional of a higher level of expertise. Knight Wall Systems’ thermally isolated rainscreen solutions are unique systems that not only create an air cavity to help limit the amount of water contacting the buildings primary envelope, but also provides a solution for attaching nearly any type of cladding to extremely efficient support systems, including a solution for true continuous insulation. In many cases - even where all attempts to establish the cladding system have been taken the make-up and composition of the external wall system may still be unclear. It does this by defending the wall assembly against the five forces that drive rain into buildings: kinetic energy, gravity, capillary action, surface tension and pressure gradients. Rather, a rainscreen is designed to limit the amount of water that could potentially come into contact with the primary building envelope’s moisture barrier, thereby reducing the chance of water finding a way into the wall assembly. Rainscreens also provide a solution for improving buildings energy efficiency by facilitating the use, and space for, exterior insulation.Ī rainscreen should be viewed as a building envelope support mechanism, whose primary function is not to provide barrier protection against water penetration (such as a weather-resistant barrier does). This allows any moisture that may pass by the cladding to easily drain away from the building, and the air that moves between the cladding and the wall accelerates evaporation of any residual moisture due to passive ventilation. A rainscreen is an exterior cladding infrastructure that sits away from a building’s exterior wall’s water-resistant barrier, creating an air cavity directly behind the cladding which is vented at both the top and bottom of the wall so it may help to protect the buildings important envelope. They both look similar at first glance but they are built and installed differently.Architects and designers seeking better moisture management and energy efficiency from the exteriors of their projects are turning to rainscreens as a solution for both. They impact both aesthetics and performance. Curtain walls and curtain walls are the most recognized window systems for exterior facades. Window walls and curtain walls are two of the most common options for a building’s exterior wall.Īrchitects and developers have various options for using glass as an exterior façade. It gives occupants the opportunity to view the exterior surroundings of the building from inside while offering protection from the elements. Glazing is an essential part of the façade of a building. Modern high-rise building designs have made use of glass as an exterior façade because glass exterior veneers are a stand-out architectural design. Glass has functional and decorative purposes. Glass is a versatile material and a flexible component of a structure used in many design elements of building construction.
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