Floor System Identification

Front

What is a Common Joist?

Back

A Common Joist is a horizontal structural member used to support a floor or ceiling. It is typically spaced evenly and supports the subfloor or ceiling material.

Front

What is a Joist Header or Box Sill?

Back

A Joist Header or Box Sill is a structural component that provides support for the ends of joists, helping to distribute loads and maintain the integrity of the floor system.

Front

What is a Trimmer Joist?

Back

A Trimmer Joist is a joist that supports the ends of other joists, often used around openings such as staircases or chimneys.

Front

What is a Subfloor?

Back

A Subfloor is the layer of material installed directly on top of the floor joists, providing a base for the finished flooring.

Front

What is an Anchor Bolt?

Back

An Anchor Bolt is a fastener used to secure a structure to its foundation, providing stability and resistance to lateral forces.

Front

What is a Tail Joist?

Back

A Tail Joist is a joist that extends from the end of a beam or header to support the edge of a floor or ceiling.

Front

What is a Double Joist?

Back

A Double Joist consists of two joists placed side by side to provide additional strength and support, often used in areas with heavy loads.

Front

What is Wood Cross-Bridging?

Back

Wood Cross-Bridging is a structural technique used to provide lateral support to joists, enhancing stability and reducing the risk of twisting.

Front

What is a Pier?

Back

A Pier is a vertical structural element that supports beams or joists, often used in foundations to distribute loads to the ground.

Front

What is a Sill Plate?

Back

A Sill Plate is a horizontal member that sits on top of the foundation wall, providing a base for the framing of the structure.