Brick — The Most Durable Material Ussed for The Device. He has almost One Drawback — He is too Heavy. Because of this, Even in Houses Built Using Monolith Technology, Brick Partitions Make Short as Possible. Replacing Full -Shaped Brick with Hollow Is Not Successful — In Hollow Brick, Poor SoundProofing Characteristics. IF YOU Fill the Cavits with Sand, The Sound Insulation Imprives, But the Weight Increases Again. The Construction of BrickWork is a Rather Laborious and Long Process. Now, a Ceramic Brick IS Mainly Used to Build Brick Partitions.