New Bi-Fold Door Designs

Custom Options for Your Bi-fold Door

Bi-Fold Door Accessories

How We Test Bi-fold Doors?

To test bi-fold doors, check the alignment of panels and track smoothness by fully opening and closing them. Inspect seals for air or water leaks and verify locking mechanisms function securely.

Ensure all hardware is tight and stable. A proper test confirms performance, safety, and ease of use for long-term reliability.

FAQs About Bi-Fold Doors

  • What is a bi‑fold door?
    A bi‑fold door is a multi-panel door system that folds open accordion-style along a track, stacking to either side. The panels are connected by hinges with rollers, creating wide, uninterrupted openings for easy indoor–outdoor living.
  • Are bi‑fold doors secure?
    Yes—modern bi‑fold systems include multi-point locking mechanisms and reinforced frames to resist forced entry. Quality models also allow the use of laminated or toughened glass for enhanced security.
  • Can I choose folding direction and panel count?
    Absolutely. Bi‑fold doors can be configured with 2 to 8 panels, stacking to one or both sides. You can select inward or outward folding based on your design and space layout.
  • How energy-efficient are bi‑fold doors?
    Thanks to thermally broken aluminum frames and double or triple-glazed options, bi‑fold doors offer excellent insulation with U-values as low as 0.27. Proper installation ensures they are airtight and energy-saving.
  • Do they require much maintenance?
    No, maintenance is minimal: clean the tracks regularly, lubricate rollers annually, and check seals for wear. High-quality aluminum frames remain durable with simple care over time.

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