Some Of The Advantages:
Corrugated paper forms
Light - can be transported and handled easily.
Recyclable after being used several times can be recycled locally.
Using concrete as the building material
Cheap concrete is a relatively low cost material.
Available globally, even in remote locations Cob, fly ash, mud-crete, paper-crete, rammed earth could all work as well..
Durability concrete is durable and has low susceptibility to deterioration from weather and insects, fires, floods, earthquakes, and it is bullet proof.