The 20% Stretch Code, a new set of standards developed by New Buildings Institute (NBI), offers a tool for accelerating the use of more energy efficient designs in new buildings.
Most new buildings are constructed to meet only the minimum energy efficiency requirements in state or local building codes that are often based upon national model codes such as the International Energy Conservation Code and ASHRAE 90.1.The stretch code provides a way for localities to move ahead more quickly with greener standards than they would by simply adopting national building codes.
The adoption of national building codes by states can be a slow, erratic process. Some states are still using codes that are up to three development cycles behind the most recent codes, representing design and construction practices from 2009. Stretch codes can also be adopted as voluntary codes or policies that can be fostered by devising incentives for designers and builders to use them.
As of October 2017, 214 municipalities have adopted the stretch code.
Related Stories
Urban Planning | Aug 27, 2019
Pop-up parks revitalize empty lots
Pop-up parks that provide instant open areas for public use and programming can revitalize under-utilized spaces and add vibrancy to neighborhoods.
Codes and Standards | Aug 22, 2019
Texas flood prevention initiative would create nation’s most ambitious barrier system
Plan including sand dunes and mechanical barriers would cost as much as $32 billion.
Codes and Standards | Aug 22, 2019
Multimedia app identifies construction hazards
Researchers say program will reduce injuries, save lives.
Codes and Standards | Aug 22, 2019
Cities take action to keep cool as climate heats up
Initiatives include cool streets, cool roofs, and broader urban tree canopy.
Codes and Standards | Aug 22, 2019
5G expected to give a boost to construction technology
Virtual reality, Internet of Things, robotics, and drones will all benefit from enhanced data flows.
Codes and Standards | Aug 15, 2019
New edition of Building Code Requirements for Structural Concrete available
American Concrete Institute document includes major technical changes.
Codes and Standards | Aug 13, 2019
Coaching pays off for new managers
Study finds increased engagement and readiness for new roles.
Codes and Standards | Aug 12, 2019
New curtain wall design guidelines released
AAMA document includes mandatory language, optional language, and detailed technical commentary.
Codes and Standards | Aug 9, 2019
Cities modify density zoning to spur more affordable housing projects
Solutions include eliminating single-family zoning and allowing taller apartments in higher-density zones.
Codes and Standards | Aug 8, 2019
More designers focusing on acoustic properties of buildings
Recognition that structures should be acoustically satisfying.
