Every timber is processed in our Kiln-Dry-Chamber machine before we use them.
Basically, a frame has two types of thicknesses
In a 10" brick wall, a 2.25" X 5.75" thickness of frame can be used.
Also the size of door and frame can be of any size and scale.
Basically, a door has a 1.5" thickness, also it can be 1.75" or 2" sometimes.