As Buy Clean policies expand and Environmental Product Declarations become a standard part of project documentation, concrete producers, contractors, and specifiers are under growing pressure to reduce embodied carbon. More projects are now being evaluated not only on cost and performance, but also on Global Warming Potential and alignment with carbon budgets.
That shift is changing how concrete mixes are designed.
To lower carbon, many teams are increasing the use of supplementary cementitious materials such as fly ash and slag. These low-carbon mixes can help meet sustainability goals, but they can also introduce technical challenges. Changes in finishability, setting time, and testing requirements can make it harder to maintain consistency in the field and deliver the long-term performance owners expect.
That is why durability cannot be treated as a secondary issue.

Lower-carbon mix designs can change how concrete behaves in the field, affecting workability, consistency, and performance.
For structures exposed to water, moisture, and aggressive conditions, helps reduce concrete permeability from within. Lower permeability helps reduce the risk of water ingress, chemical attack, and reinforcing steel corrosion, supporting longer service life even as mix designs evolve to meet lower-carbon targets.
For slabs and high-wear surfaces, improves abrasion resistance from within the concrete. By reducing wear and tear, it helps lower the frequency of repairs and replacement, which can also improve lifecycle performance over time.
The future of concrete is not just lower carbon. It is lower carbon with durability built in. With KIM and Hard-Cem, project teams can support sustainability goals without sacrificing long-term performance.

As cities expand and carbon targets tighten, the focus is shifting toward concrete solutions that balance sustainability with long-term performance.
Talk to our team about designing durable, low-carbon concrete for your next project.
