Sound insulation for eastern walls

Wall insulation is a layer applied to walls to protect them from heat, moisture, or sound. Common materials include fiberglass, mineral wool, polystyrene boards (foam), polyurethane, cementitious insulations, and liquid insulations. It can be applied internally or externally to improve thermal comfort, save energy, and reduce moisture. Types of wall insulation materials: Thermal insulation: Reduces heat transfer from outside to inside and vice versa, including: Fiberglass and mineral wool (rock wool): Effective and economical materials for thermal insulation.