Heavy hinged hidden bi-folding door
The latest upper and bottom supporting structure has better load-bearing quality. It’s more stable and smooth if used with high-strength stainless steel sliding rail.
The innovative hinge hidden structure provide better impermeability, enable the hinges to be hidden when closed and the whole folding door looks more elegant.
The hinge hidden structure is inside the profiles, avoid sash transformation problem of sash profiles when opened or stressed. It’s easier to install and can distribute stress more evenly.
Special rubber sealing structure guarantees better air and water tightness.
High-strength stainless steel wire mesh screen guarantees better anti-mosquito and anti-theft functions.
Customized opening modes, like 440, 422, 431, 321, etc.
suitable for residences, private villas, office building, etc.