Interesting filler for lightweight concrete
The requirements regarding the energy efficiency of buildings are a well-known and inevitable fact to which the construction industry responds, too. Lightweight concrete blocks are filled with insulating materials such as mineral wool, perlite, expanded polystyrene and in individual cases resol rigid foam, for example, so as to eliminate an additional insulation of the exterior walls. The materials mentioned have one thing in common: an energy intensive production process or they are products based on mineral oil, thus being quite expensive. In addition, the use of plastics results in products...