These fillers include waste bottom ash from coal fired power generation stations not just the marketable fly ash currently used in portland based concrete.
Material other than concrete for walls.
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 not only affordable but also sustainable because of their renewable properties.
A great solution to complement your plaster walls is to wallpaper them to create just the right feeling for a room.
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.
A stronger more flexible and greener alternative to concrete.
Straw bales are used.
Other potential filler materials that.
Ashcrete actually is different and uses fly ash which is a by product from burning coal.