Paper waste has been in many ways recycled for one reason or another. But now it seems that paper waste has been discovered to be useful as well for bricks.
Though the whole transformation process may still need some tweaking, the development is certainly a great way to put alternative materials for bricks. The new bricks were made using gathered cellulose waste and were combined with leftover sludge and clay. The said materials were pressurized and then extruded and were subsequently sliced from that material, and fired in a kiln.
Apparently the addition of paper to the mix cause low thermal conductivity, providing good insulation properties when used on buildings. At just 3 x 1 x 6 cm (1.18 x .39 x 2.36 inches) the existing bricks are quite small, although larger ones have also been created, and reportedly displayed similar qualities. Unfortunately, however, their mechanical resistance isn’t great for now.