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At Diligent Window Supply, we are proud to be a supplier of Windor high-quality vinyl windows and doors. For over a quarter-century, Windor has been serving the Southern California community with a diverse range of products. Whether you need standard-sized windows and doors or custom-made solutions built to your exact specifications, our commitment to quality and craftsmanship ensures  you can get the best for your home.

2750 Folding Window

Features and Benefits 

  • Vinyl Frame with aluminum reinforcement
  • Foam backed seal on main frame
  • Contemporary style vinyl sash
  • Welded sash corners
  • Dual interlocking weather seal on sash for superior air and thermal performance
  • CentorTM E3 hardware system in stainless and dark powder coat finishes
  • Stainless multipoint locking hardware
  • Internal Multipoint shoot bolt system

Glass Options

  • Cardinal 366®LoE DualGlaze tempered with warm edge spacer system
  • Clear, obscure, and custom glassis available


  • Hardware Colors; White, Black powder coat, and Brushed Chrome
3750 Multi Slide Door


  • Standard sizing in 9′,12′,and 15′ x 8′ in 3 panel Configuration
  • Standard sizing in 12′,16′,and 20′ x 8′ in 4 panel Configuration
  • Maximum panel size is 5’ x 8′ or 40 sq ft.
  • Maximum frame width of 3 panel door system at 15′.
  • Maximum width of 4 panel door system at 20′.
  • Custom sizing available.


  • KD or welded main frame
  • 7 3⁄4″ total width 6 3⁄4″jamb depth all PVC multi-chambered profile frame system (on 3 panel)
  • 103∕” total width 93∕” jamb depth all PVC multi-chambered profile frame system (on 4 panel)
  • Integrated nail fin application with 1″or 13∕” set back
  • Full length weather stripping on all 4 frame components
  • Integrated sill drainage with snap-in sill covers


  • Truth Nexus 2 point lock with opposing lock points
  • Anti-lock feature preventing a “false” sense of lock up. Flush mount handle – does not protrude into the room
  • Deep finger pocket – provides superior grip area for moving large door panels
  • Recessed thumb slide intuitive locking and unlocking of panel
  • Stainless steel roller housing and composite wheels with side adjustment, AAMA rated to carry a 500 pound panel for 10,000 cycles without change to adjustment
  • Hardware colors; white, black powder coat, and brushed chrome

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