Building Materials Hollow Brick / Cavity Brick

Hollow brickMain raw material: Clay, shale,
Application: Construction industry is the commonly used wall material
Advantages and disadvantages:
Lightweight, high strength, heat preservation, sound insulation noise reduction performance is good. Environmental protection, no pollution, is an ideal filling material frame structure buildings. The quality indexes of the brick, via examining all meet the national standards Fatal weakness: Hollow brick is seismic performance is poor, yunnan yingjiang earthquake killed 25 people, 11 because of hollow brick houses collapsed to death. Using hollow brick, because it's light, not cause floor craze. In fact, there are many other wall materials, including light steel keel gypsum board, wire mesh and so on, is light, also save space. General home when decorating, build by laying bricks or stones to make brick walls should adopt 1/2, if to do it with hollow brick, wall width 120 thick, even paint, main advantage is light weight is generally 95 bricks two-thirds, will not bring too much of a burden on the house itself structure, sound insulation effect can also, because the inside of the hollow brick hole on the arrangement of sound insulation function considered, 95 relatively brick and hollow brick wall thickness is the same, self-respect