Where Are Prefabricated Panels Used in Houses

In house construction, prefabricated panels were primarily used for floor slabs in the early days and are now less commonly used in the main structure, but they still find applications in some auxiliary facilities.

Early Use as Floor Slabs

In the early 20th century, prefabricated panels were frequently employed as floor slabs in house construction. At that time, construction technology was relatively limited, and prefabricated panels, as factory-produced components, offered advantages such as high production efficiency and fast construction speed. They could be manufactured in advance at the factory and then transported to the construction site for installation, significantly shortening the construction period. Moreover, the relatively uniform specifications of prefabricated panels facilitated construction operations, making them a suitable choice for projects with relatively low requirements for construction quality and tight schedules. However, prefabricated panels also had some drawbacks when used as floor slabs. For instance, their overall integrity was relatively poor, and they were prone to cracking or even breaking under significant external forces or natural disasters like earthquakes, affecting the structural safety and service life of the house.

Current Applications in Auxiliary Facilities

Although the use of prefabricated panels as floor slabs has been phased out in modern house construction, replaced by more advanced and safer structural forms such as frame structures and reinforced concrete structures, prefabricated panels still have certain applications in the auxiliary facilities of houses. For example, on the roofs of some auxiliary buildings of a house, such as garages and storage rooms, prefabricated panels may be used as thermal insulation layers or simple covering layers. These auxiliary buildings have relatively low requirements for structural safety, and prefabricated panels can meet their basic thermal insulation and covering needs while being relatively low in cost and convenient for construction. Additionally, in some small drainage facilities around the house, such as the cement slabs covering the ditches beside the house, prefabricated panels may also be used to protect the ditches, prevent debris from falling in, and facilitate pedestrian movement.