Promotion: Austrian cladding company Rieder is developing facade panels with reduced cement content ? informed by the buildings of ancient Rome ? which it has used across its headquarters with the aim of becoming "climate positive" by 2030.
Rieder is replacing cement in its concrete facade panels with natural and local pozzolana ? a material derived from volcanic matter such as pumice or ash that has lower CO2 emissions during its production than concrete with high cement content.
"Concrete without cement, is that possible" Yes, Wolfgang Rieder firmly believes, and he has sent his company on a journey with 'climate positive by 2030' as the destination," said Rieder.
Rieder aims to remove cement completely from its panels by 2027 Rieder says that the Romans used pozzolana as a binder in opus caementicium, which reduced cracking across the material and provided the cast masonry with better durability than modern concrete ? as evident through Rome's, still standing, Pantheon, Colosseum and Roman forum.
"The cement used in the Rieder facade panels is gradually being replaced by natural and local pozzolana, which has significantly lower CO2 emissions during production," said the brand.
"Inspired by ancestral knowledge and driven by the will to minimise the company's ecological footprint and offer products that help bring about a climate reversal, Rieder developed a world first," it continued.
Its headquarters were used as an example ...