The generously proportioned E4 takes bi-fold innovation into grand scale commercial and residential applications. Panels of previously unimaginable size up to 13' 1” (4000mm) high, framed with the sturdiest materials, move effortlessly aside with the finger-tip ease.
E4 can handle the toughest locations imaginable, certified to Miami-Dade County hurricane standards – the most rigorous testing regime in the world.
- Top-hung bifold system.
- Designed for extra-large doors in double or triple glazing.
- Inward or outward opening panels.
- Use with timber or aluminum doors.
- Exterior or interior use.
- Extensively tested, including finite element analysis, cycle testing, corrosion testing and weather testing.
- Secure E4-based doors with Centor Dropbolts or Centor Twinpoint locks.
- Backed by a 10-year warranty.
Dimensions are intended as a guide only. Calculated weight checks should be performed to ensure doors built to maximum height and widths do not exceed maximum weight.