A second chance for recycled materials
The construction industry is evolving through the introduction of innovative approaches to reusing materials that generate waste. With proper treatment and a little creativity, recycled materials are becoming the foundation of sustainable alternatives with numerous benefits for the future of humanity.
This would be the specific case of plastic, rubber, and fabric, which, despite being a crucial part of the industries with the highest global consumption, have the potential to be transformed into something new and be returned to the world; a profitable and safe second chance to mitigate their impact on the planet.
Bricks made from plastic bottle caps: Stronger than concrete?
It is well known that plastic poses a serious threat to health, a threat that is continually worsening with increased production. According to the study "Countdown on health and plastics," published in The Lancet in August 2025, global plastic manufacturing is projected to nearly triple by 2060, with significant impacts on low-income and at-risk populations.
However, it also emphasizes that, with evidence and transparent monitoring, actions can be implemented to effectively mitigate the damage.
This is what Ben and Connor from England did, who founded a small company named Circular 11, which came up with the idea of making bricks from 100% recycled plastic.
You may also want to read: The first toilet that scans your stool
The process begins with the collection of waste, mainly from companies or communities that handle large volumes of plastic that cannot be processed.
This material is carefully separated and analyzed using a chemical profile to determine an optimal formulation that ensures its quality and resistance. It is then fed into the extruder, an industrial machine frequently equipped with filtration and ventilation systems to reduce emissions, yet it still raises concerns about its environmental impact.
After being heated, the mixture is injected into a compacting mold, which is then submerged in water for a few minutes to cool. The result? A colorful block stronger than concrete (and similar to Lego’s), ready to be used in construction.
Bricks made from fabric: When creativity meets sustainability
It's no secret that the textile sector has a greater impact on the environment. The Zero Waste Europe movement estimates the fashion industry produces 92 million tons of textile waste annually, and less than 1% is recycled to create new clothing.
However, French architect Clarisse Merlet had the brilliant idea of reinventing the use of textile waste in a very different way. With a vision in mind and her academic background, FabBRICK was born, a company that transforms fabric into bricks and other decorative objects.
Each block is handcrafted in a meticulous process that begins with the recollection of all types of old clothing, which is divided by color and shredded into fiber. Zippers, buttons, and other small metal parts are also used to minimize waste. It is then mixed with an ecological adhesive made from plant-based materials, free of solvents, additives, or preservatives, thereby reducing the environmental footprint. The resulting mixture is manually placed in a compactor and then subjected to a drying process.
In case you're interested: Solar panel technology inspired by nature
The result is a work of art: vibrant-colored bricks with a soft-to-the-touch texture that provide a striking visual and sensory experience. In addition to being nonflammable, they provide sound absorption and thermal insulation and are intended for use in interior spaces.
The project, which combines handicraft, recycling, and creativity, offers the extraordinary opportunity to transform something mundane into an innovative alternative for achieving a more sustainable world.
Premium Bricks made from sand and rubber: A solution to carbon emissions?
According to Business Waste, a residuals management company, at least 2 billion tons of waste come from construction and demolition worldwide, and this activity is responsible for at least 40% of carbon dioxide emissions.
Faced with this problem, and considering that the world's natural resources are depleting, K-BRIQ® relied on the highest-quality technology to produce a premium brick based on recycled materials, ensuring superior sustainability and ultra-low carbon emissions.
Each brick is composed of 95% recycled materials derived from construction and demolition waste, including old bricks, rubble, and mortar. After being washed and processed, reused plasterboard is added and mixed with their “secret sauce”, a non-toxic binder of its own manufacture. It is then compacted using high-pressure hydraulic compression technology, a process that consumes less than 10% of the energy used in traditional brick production.
After shaping, the products are transferred to drying chambers for curing at very low temperatures for a short period. The entire process, from waste collection to distribution, takes 24 hours.
They offer a certified range of 12 colors, from traditional tones to the brightest hues such as magenta and cyan, providing a distinctive character and a versatile, elegant, and sustainable solution for architectural facades and interior spaces in the construction sector.
A new foundation for a more sustainable world
These innovative ideas lay the foundation for the development of new construction practices that, in addition to being versatile and durable, promotes the implementation of a circular economy and a large-scale awareness of environmental care.
From a small initiative to the use of the highest-quality technology, each initiative represents a step forward in the reuse of waste materials, with the hope that, from this day forward, they will become common and cost-effective practices for everyone.
Sources: Circular 11, Brothers Make, The Lancet, FabBRICK, Zero Waste Europe, K-BRIQ®, Bussines Waste
In case you missed it: This pavilion bonds the past and the future