Marshalls 

Marshalls collaborative Greenbloc – MTech; SigmaRoc has produced an in-house cement-free-carbon-negative concrete with patentable opportunities, in collaboration with Marshalls. The concrete combines carbon-negative materials with an in-house developed cement-free binder which incorporates upcycled waste lime kiln dust from Nordkalk. The patent application will be submitted in 2024 with expected opportunities for use in 2025.