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Green alternatives to concrete

In our search for eco-friendly construction materials to replace traditional CO₂-heavy products, we realized the challenge many companies face, so we compiled a list of innovative alternatives with research support and provider examples

February 1, 2025

In our search for components, we realized that finding new eco-friendly materials to replace traditional CO2-heavy products is challenging. We wonder if other companies face similar difficulties. This is why we decided to compile lists of the most innovative construction alternatives that you may want to use (with research support and provider examples!).

We'll start with cement. Traditional cement production is a significant contributor to CO2 emissions, but innovative alternatives are paving the way for a more sustainable future. Here are five green alternatives to cement that are making waves in eco-friendly construction:

Ashcrete

Utilizing recycled fly ash, Ashcrete can replace up to 97% of traditional cement. This not only reduces carbon emissions but also enhances strength and durability.
Researcher & Producer: Ashcrete

Hempcrete

Made from hemp fibers mixed with lime, Hempcrete is lightweight and strong. Its production requires minimal water and energy, making it an excellent choice for sustainable building.
Producers (various available around the world): Hempitecture

Ferrock

This remarkable material uses recycled steel dust and absorbs CO2 during curing, making it five times stronger than traditional concrete while being carbon-negative!
Research: Research page

Green Concrete

By incorporating waste materials as substitutes for cement, Green Concrete reduces energy consumption and CO2 emissions while offering improved durability.
Producers (various available around the world): Holcim

Micro Silica

A byproduct of silicon production, Micro Silica can replace 7-12% of cement in mixtures, enhancing strength and resistance to corrosion.
Research: Research Page
Producers (various available in the world): Sika

💬 What do you think about these alternatives? Have you used any of them in your projects? Let's share insights and drive the conversation on sustainable building practices!