This construction method is common because it minimizes the effects of wood s tendency to shrink warp and swell with variations in humidity.
How is a single panel door constructed.
These solid wood pieces are machined to the desired size and then profiles are added to prepare the rail module for assembly.
For example a six panel door will be made up of six inset rectangles or squares within the door.
The panel door is also known as stile and rail door.
The panels are fixed by either providing grooves in the stiles and rails.
The door is crafted not of one single piece of wood or other material but instead is comprised of panels.
The top rail bottom rail frieze rail and lock rail are joined to the stiles.
The traditional frame and panel door is constructed of solid wood.
A standard door unit with sidelites is constructed by using one head jamb and one sill called a continuous head and sill unit.
Each of these panels will fit together in order to create the finished door.
The stiles are continuous from top to bottom for full height.
By utilizing one solid piece of material both sides of the door generally possess symmetrical grain patterns.
Among the non wood variations are products made from either pressed hardboard or mdf medium density fiberboard.
Panel doors are and have been very popular for quite some time.
As shown in the illustration above panel doors are made from a framework of stiles and rails that hold wood panels.
Such a door is quite expensive though and for this reason non wood alternatives have become increasingly popular.