What is the primary function of a girder in house construction?

The primary function of a girder in house construction is to distribute weight across the foundation. Girders serve as crucial structural components that support the beams and, consequently, the floors and roof systems above. By transferring the loads from the upper parts of the structure down to the foundation, girders ensure that the weight is evenly distributed, preventing structural problems such as sagging or failure. This load-bearing role is essential for maintaining the integrity and safety of the building.

While insulation, decorative elements, and room separation are important aspects of construction, they do not pertain to the primary structural role of girders. Insulation is mainly related to energy efficiency, decoration enhances aesthetic appeal, and the separation of rooms pertains to the layout and functionality of the living space. Thus, the primary responsibility of a girder remains focused on load distribution, making it fundamental to the structural framework of a house.