Every timber is processed in our Kiln-Dry-Chamber machine before we use them.
Basically frame has two types of thicknesses
In 10" brick wall 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 1.5" thickness, also it can be 1.75" or 2" sometimes.