Sustainable Construction Materials
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Top 10 Sustainable Construction Materials to Look for In 2021

Last Updated on May 5, 2021 by Admin

In 2021, we have a population that is increasingly becoming more environmentally conscious. More and more aspiring homeowners are looking for sustainable construction materials. Eco-friendly houses save on maintenance and utility costs of the property and raise the property’s resale value. We at CostCertified will help you plan your future projects. These are the top 10 sustainable materials you need to look for in 2021.

1. Bamboo

Bamboo’s popularity has risen in recent years because of its trendy style, especially in furniture. But we have used it in construction for many years. Bamboo averagely grows faster than other trees, which take years.

Trees such as pine and cedar can’t be reforested promptly, and they do not grow throughout the world. Bamboo is naturally strong, with a higher strength to weight ratio than wood, concrete, or brick. It also has a strong tensile strength that rivals steel.

2. Composite Roofing shingles

When we talk about sustainability, we talk about materials that are long-lasting. But having to repair and replace building materials is often overlooked and is a major drain of resources. Most roofing tiles frequently crack and fade, hence requiring much attention and maintenance.

Composite roofing shingles are the best alternatives to end these problems. The roofing shingles stay true to their natural state of the original materials while requiring little maintenance.

3. Solar Panels

Mounting solar panel structures have proved to be an effective way to reduce dependence on nonrenewable sources of energy. Solar building designs help aid energy conservation efforts since the building design is directly related to its energy use.

Solar energy is a sustainable source of energy than many sources of energy such as fossil fuels. The conversion of solar energy to electric energy by solar panels makes use of the most sustainable resource of energy on earth.

4. Straw Bales

Building with straw bales takes us back to the years when we built our homes with local and natural sourced materials. Overreliance on technology and manufactured materials has proved not to be the best option of late.

Straw bales, when fixed properly, have excellent insulation properties. We place them in walls and ceilings and offer warmer temperatures in winter seasons and cooler in summer seasons. They can be planted and harvested easily. Straw bales are a renewable and affordable construction material.

5. Recycled Plastic

Recycled plastic is emerging as a more affordable and sustainable construction material. Instead of sourcing, milling, and mining construction materials, people pick trash and recycled plastics and make concrete out of them.

This reduces greenhouse emissions, reduces plastic waste, and positively uses plastic waste that would otherwise clog landfills. Using plastic waste as construction material improves the sustainability of the environment significantly and helps to meet future infrastructure demands.

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6. Wood

When it comes to sustainable built properties and environments, materials matter a lot. Wood is a natural, sustainable building material that is produced locally and has minimum transport needs. Wood is better than steel and concrete when it comes to water and air pollution.

Timber is also a natural insulator that creates a barrier between cold and heat. Its renewability continues thanks to the new forest standards of continuous growing, harvesting, and replanting of trees.

7. Smart Glass windows.

The use of large windows has become a major trend in recent years. This is due to the ability of the windows to allow light through them and reduce the need for electric consumption. Smart glass windows are very helpful in a variety of ways.

For example, during the winter seasons, the glass turns transparent to allow sunlight through them and aids heating in the room, whereas during summer months, the glass is translucent to block sunlight and heat waves that may require air conditioning. Smart glass is your window material of choice.

8. Ferrock

Ferrock is a new building material that combines a wide range of recycled materials. The materials may include steel dust which helps to create a building material like concrete, which is even stronger. The mixture absorbs carbon dioxide as part of its hardening and drying procedure.

Ferrock is less carbon dioxide and is carbon neutral. The material uses readily available materials and converts the waste into positive new use.

9. Wool

To ensure the sustainability of a construction or property, it is necessary to increase the usage of organic materials that have zero effects on human health. Organic materials such as wool increase the sustainability of a property. Wool insulation in houses is becoming trendy by the day.

It not only serves the insulation purpose but also helps in various ways. It’s a natural moisture controller, sound absorber, air filter, and it is a fire-resistant material.


The demand for Cork as a building material has risen in the past years. This is because of its numerous uses in any construction project. It uses rigid insulation, countertops, flooring, acoustic wall covers, and underlayment. Cork is a tree bark that comes from the cork oak tree.

It is the only tree that can have its bark removed without killing it, which allows repeated harvesting. A cork oak tree can live more than 200 years. This allows harvesting of Cork as a building material and a sustainable one.


The sustainability of your construction materials is key for a long-lasting property. Not only do the above materials help build a long-lasting home but also an eco-friendly home that will have high resale property value afterward. Therefore, if you are in the market for a home or considering renovations, consider the ten building materials highlighted above.

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