![]() Early on, before construction starting, mock-up testing can provide valuable information.Ī pre-construction mock-up is a full-size representation of the proposed exterior wall system built to study proposed construction details, test for performance and possibly judge appearance of the exterior wall system. A lab pre-construction mock-up is constructed and assessed to assess things like structure, air tightness, water infiltration (if any), condensation behavior, construction detail identification, construction method review, ability to address future problems/changes if needed, code compliance and job specification compliance. Once the project is in place and underway and materials have been selected and obtained, it can be critical to assess materials to ensure they really will perform as needed against natural and human-made events, sustaining durability, security, performance and other concerns. Evaluations can be run early in the construction phase or even once construction is underway. During the design phase, critical decisions include selection of systems/components review of construction sequencing and scheduling assessing component/system integration and transitions, as well as system compatibility considerations around workmanship dependency on performance thermal modeling hygrothermal modeling and integrating performance requirements into design documents. Pre-design considerations are made to ensure the enclosure reflects occupant use, climatic conditions, heating and cooling and life cycle expectations. It is important to understand what is wanted/needed and budget accordingly, establish the project performance requirements, compare design concepts to those requirements and use performance goals to make design decisions. Design considerations for building envelope Green Building Council LEED requirements? Is it purely functional? Is the project aiming for energy efficiency or other reliability concerns? When will the façade and fenestration systems be assessed for these characteristics? Assessments can be done in the pre-design, design, preconstruction or construction phase. Each has its own uses, but each is handled differently, so it is important to consider the phase along with testing needs. When assessing building enclosure materials, it is important to keep in mind the goal of the building envelope. Is it to be aesthetically pleasing? Meet U.S. It is important to ensure the facade and fenestration systems used to create them can withstand any number of concerns. From the natural (hurricanes/storms, earthquakes, extreme temperature) to the human-made (fires, bomb blast, noise), there are many of events and components exterior walls must be able to withstand. Assessing these fenestration systems in advance of construction can help ensure the right products are being used for the project at hand. ![]() ![]() When selecting components for the building envelope, several critical characteristics need to be considered, particularly for exterior walls: resistance to air leakage, water, structural performance, durability, security, seismic performance, movement and condensation are all examples. ![]()
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