Omar Khalid
Plastic is a versatile material, but it is also a significant contributor to pollution. Several companies are now using recycled plastic to create building blocks, reducing waste and energy use. These blocks are said to be stronger and more durable than concrete, and they can be used to build houses and other structures. The process of making these blocks involves melting plastic and moulding it into the desired shape, or using steam and compression technology. By using recycled plastic, these companies are not only creating a more sustainable product but also providing an innovative solution to the global plastic pollution problem.
| Characteristics | Values |
|---|---|
| Company | Conceptos Plásticos, ByFusion, ByBlock, ByFusion Global |
| Founder | Fernando Llanos, Óscar Méndez, Peter Lewis |
| Location | Colombia, New Zealand, Los Angeles, Boise, Idaho |
| Plastic Used | Ocean plastic waste, non-recyclable plastic waste, recycled plastics from residents' homes |
| Plastic Types | All seven types of plastic waste |
| Plastic Weight | 1 ton of plastic |
| Block Weight | 3-kilo brick (6.6 lbs) |
| Block Size | 40x20x20cm, 16 by 8 |
| Block Type | Lego-like, cinder blocks, concrete blocks |
| Block Features | Fire-resistant, earthquake-resistant, stronger than concrete, colourful |
| Construction Time | 5 days |
| Cost | $5,200, 20 million Colombian pesos (about USD 6,800) |
| CO2 Emissions | 83% less CO2 than concrete alternatives |
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What You'll Learn
Using recycled plastic to build houses
Building houses with recycled plastic bricks is an innovative and sustainable solution to address the housing crisis and the growing amount of plastic waste in landfills. This approach has gained recognition, with companies like Conceptos Plásticos in Colombia leading the way.
Conceptos Plásticos was founded by Colombian Fernando Llanos and architect Óscar Méndez. They recycle plastic waste into Lego-like bricks, creating a construction system that is easy to assemble, durable, and cost-effective. Their bricks interlock without the need for adhesives, making them ideal for mobile shelters. The houses are fireproof, earthquake-resistant, and require minimal maintenance.
The process of making these recycled plastic bricks involves collecting waste plastics, cleaning them, and grinding them into a rough powder. The powder is then melted and poured into moulds to form blocks that can be easily assembled. This method has allowed communities to come together and construct their own homes, community halls, and classrooms.
In addition to Conceptos Plásticos, other companies such as Block Solutions are also making strides in this area. Block Solutions, founded by Markus and Sanna Silfverberg, creates interlocking Lego-like blocks made from a mix of recycled polypropylene, other plastics, and wood fibre byproducts. These blocks are lightweight, reducing labour costs and time, and can be used to construct low-cost, multi-story buildings.
By utilising recycled plastic, these companies are not only providing affordable housing solutions but also contributing to environmental sustainability by reducing the amount of plastic waste in landfills. This approach has the potential to revolutionise the construction industry and address the pressing need for affordable and sustainable housing.
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Portable machines that turn plastic waste into bricks
Several companies and startups have developed portable machines that can turn plastic waste into bricks. These machines are designed to address the growing problem of plastic pollution and provide an innovative solution for sustainable construction. One such company is ByFusion, a New Zealand-based startup founded by engineer and inventor Peter Lewis. ByFusion has created a portable machine that transforms discarded plastic waste into bricks suitable for building construction. Their process can utilise all seven types of plastic waste, regardless of whether it is clean, contaminated, or mixed, offering significant design flexibility. The resulting blocks, known as Replast, are produced in standard sizes and dimensions similar to concrete cinder blocks and can be used in architecture, infrastructure, and landscape applications.
Another notable example is CUBICLE, a machine that converts plastic waste into construction bricks. CUBICLE is a compact and airtight machine that employs pyrolysis, a process that ensures a pollution-free operation. By condensing the fumes generated during the melting of plastic, CUBICLE avoids pollution and produces liquid fuel. Its portability eliminates the need for a centralised system, making it easily transportable to different locations. CUBICLE not only helps reduce plastic waste but also provides employment opportunities and offers a cost-effective solution by utilising plastic waste as a raw material.
In addition to these companies, there are also DIY machines available that enable individuals and small-scale operations to recycle plastic into new products. Precious Plastic, an organisation founded by Dave Hakkens, provides instructions and tools for building recycling workshops and equipment, such as machines for shredding plastic into flakes and extruding plastic for 3D printing. These DIY initiatives aim to increase accessibility to plastic recycling and empower people to take creative action against plastic pollution.
One startup that has gained recognition for its innovative use of plastic waste is Conceptos Plásticos, a Colombian company founded by Fernando Llanos and Óscar Méndez. Conceptos Plásticos has developed a patented system of bricks and pillars made from recycled plastic that can be assembled like Lego pieces. With this system, they have constructed houses of up to two stories high in just five days, showcasing the feasibility and speed of building with recycled plastic bricks.
These portable machines that turn plastic waste into bricks offer a promising approach to addressing the global issue of plastic pollution. By transforming plastic waste into a valuable resource for construction, these innovations contribute to more sustainable practices and open up new possibilities for building eco-friendly communities.
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Recycling non-recyclable plastic waste into cinder blocks
The process of recycling non-recyclable plastic into cinder blocks typically involves melting the plastic and using an extrusion process to empty it into a final mold, creating a brick. These bricks are then assembled under pressure, providing heat insulation and combustion retardation. This method has been successfully implemented by companies like ByBlock and ByFusion, who aim to revolutionize the construction industry by utilizing plastic waste.
ByBlock, a Los Angeles-based start-up, specializes in recycling plastic waste, particularly ocean plastic, to create cinder blocks that are sturdier than concrete. Their goal is to recycle 100 million tons of plastic by 2030, significantly reducing plastic waste and lowering carbon emissions in the construction industry.
ByFusion, a New Zealand-based company, has developed a portable machine that turns discarded plastic scraps into building bricks. Their process can handle all seven types of plastic waste, regardless of cleanliness or contamination, and their blocks, called Replast, offer design flexibility and durability. ByFusion's technology emits 83% less CO2 than concrete manufacturing, making it an attractive eco-friendly option.
The process of recycling non-recyclable plastic waste into cinder blocks not only addresses the issue of plastic pollution but also provides a sustainable and cost-effective construction solution. This innovative approach has the potential to revolutionize the construction industry, reducing its environmental impact and creating more resilient structures.
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Using recycled plastic to build disaster-resistant structures
Plastic waste is a significant problem, with landfills across the world overwhelmed by the amount of plastic. However, plastic can be recycled and repurposed as a building material, providing an affordable and accessible solution for communities affected by natural disasters. Recycled plastic bricks can be used to construct disaster-resistant structures that are safe, sturdy, and long-lasting.
One notable example is the Colombian company, Conceptos Plásticos, which creates LEGO-like building blocks from recycled plastic. These blocks can be easily assembled by families to construct their own homes, community halls, and classrooms. The blocks are designed to fit together perfectly, similar to Lego pieces, and can be used to build structures up to two stories high. The company addresses two pressing issues: the housing crisis in Latin America and the abundance of plastic waste in landfills.
The process of making recycled plastic blocks typically involves melting the plastic and pouring it into moulds to create bricks. These bricks can be designed to lock together, providing structural stability. Additionally, additives can be included to enhance their fire-resistant properties and improve earthquake resistance.
While plastic may have limitations in large structures due to its heat and UV resistance, it can still be used for various applications. For example, plastic blocks can be used for outdoor storage sheds, temporary shelters, or even as a frame for a barn that is resistant to rot. It is important to note that the type of plastic used should be carefully considered, as some plastics may not be suitable for certain structural applications.
By utilising recycled plastic, communities can benefit from low-cost construction, with some sources indicating that a standard home can be built for around $5,000 to $6,800. Furthermore, these structures can be easily deconstructed and rebuilt elsewhere if needed, providing a flexible solution for those who may need to relocate. Overall, recycled plastic blocks offer a sustainable and resilient option for disaster-resistant structures, empowering communities to take an active role in building their own shelters.
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The economics of recycling plastic for construction
The global plastic waste crisis has spurred calls to action from various stakeholders, including consumers, regulators, brand owners, and plastic producers. While recycling plastic is challenging due to the complexity of plastic types and the labour-intensive sorting and cleaning process, it is essential to address the environmental impact of plastic waste.
The construction industry has emerged as a key player in this regard, with several companies pioneering the use of recycled plastic bricks and blocks for building houses and other infrastructure. These innovations not only reduce plastic waste but also offer cost-effective and sustainable alternatives to traditional construction materials like concrete.
For example, ByBlock, a Los Angeles-based start-up, manufactures cinder blocks from recycled ocean plastic waste, resulting in a product that is sturdier and more durable than concrete. Similarly, ByFusion, a New Zealand-based company, has developed a portable machine that transforms discarded plastic scraps into bricks, with the potential to build entire communities.
Another notable initiative is Conceptos Plásticos, a Colombian company that builds houses using recycled plastic bricks. Their innovative system, developed in collaboration with an architect, involves assembling Lego-like bricks and pillars made from recycled plastic. This method allows for the swift construction of two-story houses, as demonstrated by their project in Colombia, where they built temporary shelters for 42 displaced families in just 28 days, recycling over 200 tons of plastic in the process.
Despite the environmental and practical benefits of recycling plastic for construction, there are economic challenges. Producing new plastic is often cheaper than collecting, processing, and selling recycled plastic. Additionally, the complex chemical structures of different plastics mean that some are more suitable for recycling than others, limiting the types of plastic that can be effectively reused. Nevertheless, with the right approaches and investments, there is substantial value-creation potential in capturing plastic waste and using existing technologies to create new plastics and construction materials.
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Frequently asked questions
Using recycled plastic to make blocks reduces waste, reduces energy use, and is a more sustainable alternative to concrete. Recycled plastic blocks are also fire-resistant and can withstand earthquakes.
One method is to melt the plastic and empty it into a final mold. Another method is to use steam and compression technology to form the blocks.
Some companies that make blocks from recycled plastic include Conceptos Plásticos, ByBlock, and ByFusion.
