Customizable Heavy Duty Aluminum Folding Balcony Door Solution

Unlike traditional sliding doors, which limit your access to only half the total area, our folding doors offer a revolutionary solution, allowing for a full panoramic opening into your garden or yard. These bifold doors consist of multiple connected panels that seamlessly open concertina style, folding flat to one side for an unobstructed view. Experience the ultimate in natural light and expansive views with our folding patio doors. At ZIIISUN, we provide an extensive array of RAL color options, exquisite finishes, diverse frame styles, and multiple sizes, enabling you to create a truly bespoke solution tailored to your project’s unique needs.

Q1: Are there any issues with the glass inside? Is there steam or fogging?
A: Typically, we use 5mm+12A+5mm double glass. Rest assured, our double glass is professionally manufactured to prevent steam or fogging between the panes.ble glass
Q2: Do all these doors and windows come with frames for wall mounting?
A: Yes, all the doors and windows include frames. Installing them on walls is perfectly fine.
Q3: If the glass breaks without any reason, should I be concerned about the rest?'m worried that the rest will break.
The glass only breaks due to impact force; it will not break on its own.'t break itself.
Q4: Can I use 6mm single glass instead of 5mm double glass?
A: It is recommended to use 5mm double glass because
Sliding doors look unattractive with single glass. The space for the glass is large, and using single glass will require excessive silicon filling.
5mm double glass is safer than 6mm single glass.
5mm double glass provides better soundproofing than single glass.
Q5: Can you use rubber instead of glass silicon?
A: Yes, but only on one side. The other side must use glass silicon, as double rubber is not strong enough and may fall off more easily than glass silicon.