Although you may be worried that the paint on the outside of the folding door will fade to the light, our folding door frame of Folzen Korea is strong against the high durability and sunlight, which control the penetration of corrosion factors by fluoroscopy.

The opening and closing rate of the folding door is good, so you can open it freely on a fine day, but there are days when the folding door is not opened because the weather is not constant like every day.​

In that case, the system door was installed at the same time as the entrance for the passage.