Masonry Magazine January 2014 Page. 31
Benefits of air barriers
BY DESIGNING AND INSTALLING a proper air barri�er assembly, the building design and construction team will reduce conditioned air loss, saving energy during the life of the building. By installing a properly designed air barrier assembly, you reduce the chances for building enclosure failures as there will be fewer opportunities for air leakage causing condensation in the bui.lding enclosure. The air barrier assists the water resistive barrier in keeping bulk water that has made it was passed the cladding from enter�ing the building enclosure. By reducing air leakage and associated drafts, occupants are more comfortable.
Air barrier continuity
AIR BARRIERS are important in buildings, and archi�tects need to be dil igent when designing them. Factors such as the ambient environment and the building use need to be considered during the design phase. Engineers need to ensure they have considered the strength and durability of each kind of material, based on loads of the building. It is critical that air barriers are designed continuously on all six sides of the building, ensuring penetrations are transi�tioned and sealed with all materials being installed in a shingle fashion down the wall.
The most common areas where continuity is critical and can be a major source of air leakage are at the wall-to-roof con�nection, and wall-to-window and wall-to-door openings. Air barrier contractors need to ensure that the air barrier is installed continuously and, if there are questions, they should clarify the detail with the design professional.
Who Is Installing air barriers?
WE SEE ALL TYPES of trades joining the ABM to become accredited contractors to work on our projects, including masons, insulation contractors, waterproofing contractors, dry�wall contractors, roofing contractors and cladding contractors. We see many masons getting accredited and completing a number ofABM projects. ABM-certjfied air barrier installers are the best in the business, since they have the experience and the training that only ABM can deliver to its clients.
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www.masonrymagazine.com January 2014 � MASONRY 29