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Plastics are used in a vast range of building components, such as seals, windows and doors, roofing, internal and external finishes, paints, panels, varnishes, stains, pipes, guttering, cables, floor coverings, membranes, formwork, supporting structures, building skins and insulation. However, their benefits come at a growing cost to the environment and public health.

The construction industry consumes 20% of all plastics and 70% of all polyvinyl chloride (PVC) produced globally each year. Exponentially greater amounts are being produced and used, with 8.3bn tonnes of virgin plastics produced worldwide between 1950 and 2017 and global output predicted to double by 2050.

The transition to sustainable construction will involve fundamental changes in the way buildings are designed, manufactured, built and operated. As society pushes up against established planetary boundaries, professionals working in the built environment need to identify how to change our practice.

Bedford Green House is a 118-unit, 13-storey affordable housing development in New York City, with sustainable design and resident health at its heart. The development used HomeFree to inform the selection of building materials, considering human health impacts. This included using solid core doors with a NAUF (No Added Urea Formaldehyde) core and hardwood plywood cabinets which use less binder (and therefore less formaldehyde) than particleboard and MDF.

Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society. However, they are increasingly detected as environmental pollutants and some are linked to negative effects on human health.

This page from the European Chemicals Agency provides background on PFAS chemicals and their use in a number of products, including construction materials, paints and chrome plating.

On 13th January 2023, the European Commission issued a proposal that would ban the manufacture and use of PFAS chemicals, including those used in building materials. 

The details of the proposed restriction of around 10,000 per- and polyfluoroalkyl substances (PFASs) are now available on ECHA’s website. ECHA’s scientific committees have begun to evaluate the proposal in terms of the risks to people and the environment, and the impacts on society, in accordance with the below timeline.  A six-month consultation began in March 2023 and will close on 25 September 2023.

Document: Consultation on a proposed restriction on the manufacture, placing on the market and use of per- and polyfluoroalkyl substances (PFAS)

The Green Science Policy Institute's page on building materials, linking to background information on issues with PFAS, and halogenated flame retardants in insulation.

CHARM virtually plastic free homes is an affordable housing development of 12 homes, built using plastic-free materials to reduce environmental and health impacts. The homes are constructed from timber panels and make extensive use of alternative and recycled products, such as aluminium window frames and mineral insulation.

This case study describes the adoption of regulations on lead paint in Philippines and how this came about through a collaboration between government, civil society and industry.

This case study highlights three main achievements resulting from the EPR pilot that tested potential collection channels, determined local e-waste treatment costs, and promoted environmentally sound e-waste management and gender equality in Nigeria's electronics sector.

1. Setting an EPR financial mechanism by understanding local collection and recycling costs and estimating the EPR fee based on local costs.
2. Reducing the health and environmental risks associated with e-waste management practices by ensuring hazardous materials like mercury and Persistent Organic Pollutants in e-waste are recycled in an environmentally sound manner.
3. Improving the health, security, and safety of waste management workers, including women who face various risks in the sector.

The study concludes with a summary of the next steps and key learnings that emphasize the importance of environ-mentally and socially responsible e-waste management with a focus on gender equality in the sector.