Sustainability and Energy Efficiency Sustainability and energy efficiency are not just buzzwords—they are essential principles driving modern construction practices. A building's sustainability profile is directly influenced by how well its AWBs function over time. When properly installed, AWBs improve the building’s energy performance by minimizing the need for mechanical heating and cooling. The ability to maintain a consistent indoor environment with minimal energy input is a critical factor in meeting net-zero energy goals. Airtightness is a particularly important aspect of sustainability. When a building envelope is not airtight, conditioned air escapes, and unconditioned outdoor air enters, forcing the HVAC system to work harder to maintain a comfortable indoor temperature. This not only increases energy consumption but also shortens the lifespan of HVAC systems, leading to increased operational costs and carbon emissions over time. AWBs help mitigate this issue by controlling air leakage and providing a stable barrier against both air and water. Furthermore, AWBs contribute to the reduction of embodied carbon in buildings. When buildings are constructed for durability and longevity, the need for repair and reconstruction diminishes, which in turn reduces the environmental impact of manufacturing new materials and the energy consumption associated with construction activities. Conclusion As building codes become more rigorous and the climate becomes increasingly unpredictable, designing and constructing buildings that are both resilient and energy-efficient is essential. By focusing on compliance with evolving codes and beyond, stakeholders in the construction industry can create structures that are not only safe and stable but also sustainable in the long term. Incorporating best practices for AWB selection and installation, understanding the interplay of local and international codes, and staying ahead of technological innovations are all critical to success. For developers, architects, and builders, embracing this forward- thinking approach will help ensure that our buildings are equipped to meet the challenges of tomorrow. Benjamin Meyer, AIA, LEED AP, serves as Building Enclosure Business Director for Siplast. He also serves as chair of the ASHRAE 90.1 Envelope Committee, Director of the Air Barrier Association of America (ABAA), Member at Large on the NIBS BETEC board, past LEED Technical Committee member, and past Technical Advisor of the LEED Materials (MR) TAG.
BENJAMIN MEYER, AIA, LEED AP , serves as Building Enclosure Business Director for Siplast. He also serves as chair of the ASHRAE 90.1 Envelope Committee, Director of the Air Barrier Association of America (ABAA), Member at Large on the NIBS BETEC board, past LEED Technical Committee member, and past Technical Advisor of the LEED Materials (MR) TAG.
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