本规范规定了减轻新建建筑和现有建筑新增建筑围护结构中热桥的最低设计和施工要求。它适用于有混凝土或砖石墙的建筑物；砌体饰面，包括附在框架墙上的饰面；以及穿过建筑围护结构的阳台或构件。它还为这些建筑中的金属热桥制定了标准。本规范适用于使用电力或化石燃料（不考虑发电来源）的商业和中高层住宅建筑。它可以与适用的能源规范和标准一起使用。

This code prescribes minimum design and construction requirements for mitigating thermal bridges in the building envelopes of new buildings and additions to existing buildings. It applies to buildings having concrete or masonry walls; masonry veneer, including veneer attached to frame walls; and balconies or components that extend through the building envelope. It also has criteria for metal thermal bridges in these buildings.This code is applicable to commercial and mid- to high-rise residential buildings that use either electricity or fossil fuel (regardless of the generation source). It can be used with applicable energy codes and standards.