The horizontal cross pieces that connect stiles in door construction are known as what?

In door construction, the horizontal cross pieces that connect the stiles are known as rails. Rails are the structural components that run horizontally across the door and provide stability and strength. They typically come in two varieties: the top rail, which is located at the upper part of the door, and the bottom rail, located at the lower part.

These rails are essential to the door's overall design and function, helping to maintain its shape and support the vertical stiles, which are the side components of the door. The interaction between rails and stiles creates a frame that can support inserted materials, such as panels or glass.

Understanding the terminology and components involved in door construction is crucial for anyone in the building trades, especially residential contractors, as it contributes to proper installation and maintenance practices.