A large bi-fold door behind a couch opens to the backyard.

Series 7950 Bi-Fold Door

Reinvented for strength and energy efficiency, Western Window Systems Series’ 7950 Bi-Fold Door enables professionals to do their most demanding projects without constraint. From the DP50 rating, across-the-board low U-factors, and large panel sizes that operate easily on stainless-steel ball bearing rollers, it’s designed and engineered to enable a wide range of customization possibilities.
  • Large panel sizes
  • Industry-leading U-factors
  • Single-track operation
  • Multiple sill height options
  • Panels up 12′ tall
  • Premium-hardware and roller options
  • Low-E glass, dual-paned
  • Thermally broken aluminum

Extreme Sizes

The Series 7950 Bi-Fold Door is available in heights up to 12′ in most markets.

A large, bi-parting bi-fold door connects the enclosed patio to a lobby.


In addition to a design pressure (DP) rating of 50 and a .30 U-value for standard, low-E, argon-filled dual-pane glass, the Series 7950 Bi-Fold Door features an extrusion profile with a 5.875″ frame depth that supports triple-pane, laminated, and security glass — essential options for noise reduction as well as impact resistance. Plus, it’s compliant with California’s Title 24 requirements.

An open bi-fold door connects the living room to the patio.


The 3.17″ stile on the Series 7950 Bi-Fold Door from Western Window Systems allows for more glass and light.


The Series 7950 Bi-Fold Door comes with sealed, stainless-steel ball bearing rollers, making it easy to operate. A single track minimizes wall depth.

Series 7950 Bi-Fold Door
Series 7950 Bi-Fold Door

The Door That’s a Window Too

For even more versatility, the Series 7950 Bi-Fold Door can be designed as a window — perfect for opening up living spaces like kitchens and patio bars.

Carrier Hinges

Heavy Duty Carrier Hinge

Heavy Duty Carrier Hinge

Head load bi-fold
An image of a bottom load carrier hinge.

Carrier Hinge

Head load bi-fold

Top-Load Sill Tracks

Water Barrier Sill

Water Barrier Sill

The Series 7950 Bi-Fold Door comes standard with a 2″ water barrier sill to help safeguard against water intrusion. Finished to match the color of the frame.

Flush Sill

Flush Sill

For a smooth transition from the inside to the outdoors, the optional flush sill lines up with most interior flooring and features an interior and exterior height of just 0.958”. Finished to match the color of the frame.

Top Hung U Channel crop


Offered in a dark bronze finish, the U-track allows for a flush transition from room to room. Not rated for water and air infiltration.

Handles and Locking

Designed for durability and comfort, the Series 9550 Bi-Fold Door features three high-quality, contemporary-style handles. A hidden stainless-steel multi-point lock secures the panels.

Dallas Handle

Dallas Handle

Located on all active panels, includes a keyed lock. Available in brushed nickel or black.

D-Shaped Pull Handle

D-Shaped Pull Handle

Further aids in opening and closing the door. Optional keyed lock available. Available in stainless-steel or black.

Inactive Lock Handle

Inactive Lock Handle

Secures the door panels with steel pins at the head and sill. Available in brushed nickel or black. 


Samples shown are representative only. For exact paint swatch samples, find a dealer near you.

2023 Finishes

In-Stock Finishes

Bronze Anodized and Satin Anodized aluminum feature a Class 1 coating thickness for increased smoothness and durability.

Designer Finishes

Include a high-quality paint finish that conforms to a minimum rating of AAMA-2605, currently the highest rating for organic finishes.

Custom Finishes

Provide a sample of your desired color, and we’ll match it.


Technical Resources

*’s’ is for simulated steel line

Fixed windows eliminate the barrier to the outdoor patio views.

Simulated Steel

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