priority selection of 9 kinds of size.
The structure of the low door size
According to the structure of the door size of the hole door facing material, attached to the frame size, installation gap.
When the thickness of the door leaf
The thickness of the door leaf can be divided into 30 ㎜, 35 ㎜, 38 ㎜, ㎜ 40, 42 ㎜, 45 ㎜, ㎜ 50. Thickness according to the wall thickness corresponding frame (set).