Other potential filler materials that.
Material other than concrete for walls.
A stronger more flexible and greener alternative to concrete.
If used as a feature wall or highlight it can be a cost effective way to create a signature style as can be seen in this playful kids bedroom.
Straw bales if sealed properly offers a high level of insulation properties.
Straw bales are used.
These fillers include waste bottom ash from coal fired power generation stations not just the marketable fly ash currently used in portland based concrete.
Ferrock is an alternative component that uses industrial waste typically made from steel dust which works better than traditional concrete and can absorb better than concrete as well.
Straw bales rather than relying on new research and technology straw bale building hearkens back to the days when homes were built from natural locally occurring materials.
Concrete has long been the go to material for durable robust and long wearing construction.
Straw bales are mainly used to build the inner frame of the walls of a home by replacing other building materials like concrete gypsum fiberglass plaster wood or stone.