The construction industry is under increasing pressure to reduce its environmental impact, and material choice is central to that shift. This trend is mirrored in hiring patterns, with more builders merchants vacancies opening up to support the demand for greener building supplies. Below are eight materials making a difference.

1. Recycled glass

Glass can be endlessly recycled without losing strength or quality. In construction, it is used for tiles, countertops, insulation and as aggregate in concrete. The recycling process consumes less energy than manufacturing new glass.

2. Straw bales

Offering three times the insulation of traditional materials, straw bales are an excellent eco-friendly alternative for wall construction. They are renewable, biodegradable and can help significantly lower a building’s energy use.

3. Bamboo

Bamboo is fast-growing, requires little water, and regenerates without replanting, making it a standout sustainable resource.

4. Recycled rubber

Recycled rubber, often sourced from tyres, is being used in flooring, paving, and experimental low-carbon concrete. It’s flexible, durable and resistant to water and vibration, making it ideal for a wide range of construction applications. The Alliance for Sustainable Building Products continues to support the adoption of these materials across the sector.

5. Cork

Cork is harvested without harming the tree, making it one of the few truly renewable materials. It’s used in insulation, wall panels and flooring, thanks to its thermal and acoustic properties.

6. Rammed earth

This ancient technique involves compressing soil into forms to create solid walls. Rammed earth offers high thermal mass, minimal processing and long-term durability.

7. Recycled plastic

Plastic waste can be transformed into insulation, bricks, panels and even road materials. Although not biodegradable, recycled plastic helps divert waste from landfill. Visit BM Careers for builders merchants vacancies and explore how your career could support a more sustainable built environment.

8. Recycled steel

With high reuse potential and structural strength, recycled steel is a go-to option for frames, beams and reinforcements.

As the industry evolves, embracing these alternatives offers both environmental and economic benefits for projects of all sizes.