What are trusses and joists?

Trusses and joists are structural components commonly used in the construction of buildings. They serve an essential function in supporting loads and providing stability to a structure. Trusses are frameworks typically made from wood or metal, consisting of interconnected elements forming a triangular shape. This design allows trusses to efficiently distribute weight over a larger span, making them ideal for roofs or bridges where open space is desired without excessive support columns.

Joists, on the other hand, are horizontal supports that span between walls or beams and hold up a floor or ceiling. They are typically made from wood or engineered materials and are crucial in supporting the weight of the structure above while offering a stable base.

Understanding the characteristics and applications of trusses and joists is vital for firefighters, as they must be aware of these structural elements when responding to emergencies. The integrity of these support networks may be compromised during a fire, posing risks to both firefighters and victims during rescue operations. Recognizing the role of trusses and joists enhances situational awareness and aids in making informed decisions during firefighting efforts.