Measure the depth at the top of the interior window frame to ensure there is sufficient space for installation inside. This measurement will also determine whether a flush installation can be adopted, meaning the product is located within the window frame without protruding. The minimum depth required varies by color tone. For the depth requirements of different color tones, please refer to the format below. This is necessary for interior installation.

Regarding curtains: Since the shape of the window may not be perfectly smooth, it is recommended to measure the window at three points: the top, the middle, and the bottom. When placing the order, the minimum measurement value obtained should be used as the custom width.

To determine the height, measurements need to be taken at three positions of the window: left, middle, and right. Use the maximum value among these measurements as your ordered height. When placing the order, the maximum value measured should be used as the custom height.