This easy-to-use guide helps specifiers, designers and their clients assess the relative environmental impacts of hundreds of elemental specifications for roofs, walls, floors etc.


Environmental ratings are based on Life Cycle Assessment using the methodology developed by BRE with funding from DETR and support from a wide range of construction manufacturing trade associations. Individual manufacturers can now obtain certified Environment Profiles which allow their products to be compared to the generic profiles. The Green Guide is used for BREEAM schemes to provide materials credits.