The foam will be protected from external influences due to facade plaster, which can be given any color. Today there is a huge selection of facade colors. Some believe that after insulation of the outer walls with polystyrene, the humidity increases in the room. This is not due to foam, but due to an incorrectly created ventilation system. The better the material, the better it will insulate the room, the lower the cost of heating, which is important due to the constant increase in energy prices.