List of featured suppliers of BLOCKS Approved Document L / Part L on Building Products Index
Blocks refer to units of various sizes and shapes that are used in different fields, such as construction, games, or programming. Approved Document L or Part L is a set of regulations that provide guidance on the energy efficiency of new buildings and major renovations. The purpose of Part L is to reduce the carbon emissions and energy consumption of buildings by setting minimum standards for insulation, air tightness, and heating systems.
