Prioritize window size before determining curtain rod thickness

The size of the window directly determines the length of the curtain rod, and it is necessary to reserve extension space on both sides (usually 15-20cm on each side) to ensure that the curtains are fully opened and do not obstruct the natural light.

Width of the window affects the installation method (single/double pole, top/side mounted), which in turn relates to the load-bearing requirements and fixed point layout of the pole

Height of the window determines the installation height of the curtain rod, indirectly affecting the visual proportion of the decorative head (to avoid the decorative head being too large/too small and not coordinating with the window)

The thickness should match the weight of the curtains. For thick curtains (such as velvet or linen), choose a rod with a diameter of 28-32mm, and for light curtains (such as gauze curtains), choose 22-25mm

The thickness should conform to the overall style, with thin rods for minimalist styles and thick rods for European/American styles, and should be compatible with the size of the decorative head (thick rods with atmospheric decorative heads, thin rods with exquisite styles).
The thickness affects the stability of installation. For long poles (over 2.5m), thicker models should be selected, and brackets should be added for reinforcement if necessary.

Match the diameter of the rod, and the inner diameter of the Curtain Ring should be 1-2mm thicker than the rod to ensure smooth sliding without jamming, and to avoid being too loose, shaking, or too tight and stuck

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