Key points of construction:
The specifications of (1) curtain box are about: height 100 mm, single pole width 120 mm, double pole width 150 mm, the shortest length exceeds the window width by 300 mm, and both sides of the window exceed 150 mm, which is the longest wall length.
(2) The curtain box is made of large core board. If the decorative surface is coated with clear oil, the decorative plate with the same material as the window frame cover should be pasted, and the pasting surface is the outer side and bottom surface of the curtain box. (3) The through-wall curtain box can be directly fixed on both sides and the top surface of the wall, and the non-through-wall curtain box should use metal brackets. In order to ensure the smooth installation of the curtain box, both sides should be equal in length from the window, and the front end of the installation should be elastic.