Measure the frame size
1, the width from left to right measure the width of the window frame, the window, the middle and bottom of the widest dimension, that is, the frame for the width.
2, the height from top to bottom measurement window frame height, the left, middle and right of the window the largest size, that is, the height of the frame.
Measuring the size of the inner frame
1, with the same method of measuring the size of the frame.
2, Determine the window depth enough louver leaves free movement, different shutter installation requirements window depth is not the same.
3, fixed or open installation requires 8cm depth.
4, push-pull installation, in addition to taking into account product blade width also consider the number of layers installed products.
5, the general two-tier push and pull to ensure leaf activity requires 15cm depth, single fan requires 10cm depth; folding installation need to reserve 10cm depth.
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