The SAICM Secretariat, in partnership with the University of Cape Town, established a community of practice on Chemicals in Products to bring representatives from different sectors together and to create a learning network around issues related to addressing Chemicals in Products (CiP). This is a summary of the discussion on Chemicals of concern in building materials, which took place on 15 April 2021.Presenters: Amélie Ritscher (UNEP), Oleg Ditkovskiy (ISC3), Stewart Muir (Bioregional)Building and construction is one of the largest end-markets