The bottom line
Concrete can no longer be treated as one broad default material category. The field now includes Carbon Capture and Storage, CCS, Supplementary Cementitious Materials, SCMs, biochar-enhanced systems, Ultra-High-Performance Concrete, UHPC, and durability-led recovery or self-healing concrete. Each one solves a different problem. Each one carries different design consequences. For practice, the immediate value is simple: stop asking for a single concrete option and start asking which concrete family belongs in each zone of the project, and you’ll be ahead of the competition in deliverability.
That shift matters because material choice now reaches further into structure, envelope strategy, detailing, maintenance, and carbon accounting. A project may benefit from lower process emissions in one part of the building, extreme slenderness in another, and longer crack-free service life in a façade or exposed edge. One schedule line called “concrete” no longer says enough.
The mechanism
Three forces are driving the split.
The first is industrial divergence. Heidelberg has commercialized evoZero from Brevik through a full Carbon Capture and Storage chain. CRH has bought Eco Material to secure the supply of Supplementary Cementitious Materials. Holcim is pushing biochar and circular recovery through separate research and product tracks. The market is investing across multiple technical paths simultaneously.
The second is technical specialization. Carbon Capture and Storage, CCS, cuts process emissions upstream. Supplementary Cementitious Materials, SCMs, cut clinker inside the binder. Biochar stores carbon inside the mix. Ultra-High-Performance Concrete, UHPC, pushes strength, durability, and section reduction. Circular recovery focuses on the reuse of cement fines and aggregates.
The third is pressure from the wider project environment. Carbon rules, updated climate data, and new standards are making material choices more consequential earlier in the design process. That pressure does not point to a single miracle mix. It widens the material horizon and prompts architects to choose more deliberately among carbon, durability, span, thermal behavior, and reuse value.
Market signals
EPBD: carbon moves closer to formal delivery
The recast Energy Performance of Buildings Directive, EPBD, pushes lifecycle emissions and zero-emission trajectories closer to formal building delivery across Europe. That gives low-carbon and carbon-storing material systems more weight in ordinary project work, not only in showcase sustainability projects.
Indonesia: concrete standards are being tightened under new oversight
Indonesia’s 2025 regulatory and standards update replaces older concrete detailing logic with newer technical verification under direct public works oversight. That raises the pressure on outdated concrete assumptions and makes newer material strategies more relevant in practice.
United States: the 2026 code cycle is raising performance demands
Local adoption of the 2026 code cycle is prompting teams to revise insulation levels, roof assemblies, and structural assumptions as newer climate data enters the code. The result is not one obvious material answer, but a stronger push toward performance-led material choice.
Heidelberg Materials: CCS cement is now a live commercial signal
Heidelberg sold out its 2025 evoZero production from Brevik. That matters because it shows demand for Carbon Capture and Storage, CCS, cement has moved beyond pilot language and into real market appetite.
CRH: SCM supply has become a strategic infrastructure
CRH’s $2.1 billion acquisition of Eco Material shows that Supplementary Cementitious Materials, SCMs, are no longer a side issue. They are a strategic supply. That matters for architects because low-carbon concrete specifications increasingly depend on upstream material availability, not just on design intent.
Holcim and ELEMENTAL: biochar is entering the architectural material conversation
Holcim’s work with ELEMENTAL positions biochar concrete as both a carbon-storage and design proposition. That opens a different line of development from simple clinker reduction.
Intelligence brief
Concrete is breaking into specialized families, and architects can use that split as a design intent rather than ignore it.
This raises a more nuanced design question. A project doesn't have to follow a single, consistent logic from footing to façade. Instead, it can incorporate different approaches: one focused on minimising process emissions, another on achieving high performance to reduce section size, another prioritising durability over initial cost, and yet another emphasising recovery or carbon storage. The real challenge involves managing zoning, interfaces, fire response, supply chains, and clear specifications.
This week’s Deep Dive explores that division across Carbon Capture and Storage, CCS, cement, Supplementary Cementitious Materials, SCMs, biochar, Ultra-High-Performance Concrete, UHPC, self-healing systems, and circular recovery. The key question is no longer “what concrete should we use" but rather where in the building each type of concrete truly belongs.
See you next week!
-Johan