Today, the building materials market presents many types of materials for internal insulation of walls, roof, floor and for external insulation. One of the quality materials for insulation of walls, which has gained unprecedented popularity, is foam. Very often foam is used for internal insulation. Before starting work on insulation of walls, polystyrene preparation is required by polystyrene. The wall must be leveled, since the irregularities of the wall will lead to deformation of the foam. Surfaces of the walls of the walls should not be more than 2 cm.
