- Living roof
GRO Green Roof Code 2021 version – 10 year update now includes blue and biosolar roofs – available for download
The Green Roof Code 2021 has been released by the Green Roof Organisation (GRO) as part of World Green Roof Day. The first major update since 2014 now includes definitions, specifications and guidelines on blue roofs – roofs that incorporate sustainable drainage systems (SuDS) – and biosolar roofs – green roof with solar panels. The code also now includes biodiversity net gain (BNG).