SIW Impact Bi-Folding Doors

Model # S-800


Open your view with the modern appeal of SIW’s Impact Folding Door system. Combining aesthetics with performance and versatility, they offer the ideal solution. 

Allows More Space

Bi-fold doors have a unique structure and design. An alternate option to traditional impact sliding glass doors, they slide as their panels fold over. This creates the appearance of more space when stacked. They can really open up a room or provide the perception of a wider patio.

SIW Flush panel folding door applications accommodate large openings and ensure smooth operation.

Other solutions include SIW’s signature Twin Bolt Lock and Lever Compression lock for their folding doors.

Product Specifications

  • Maximum size tested 400 x 124” with (+70/-70)
  • Standard Frame Colors: White, Bronze
  • Optional Frame Colors (add’l cost): Woodgrain Colors, Clear Anodized, Custom Colors
  • Standard Residential & ADA Sill.
  •  7/16″ Laminated Impact Glass for full panels and 1″ Insulated Impact Glass for True Divided Lites

Ideal Protection

SIW’s Bi-Fold doors are not only equipped to resist hurricane winds approaching up to 390 miles an hour, but they also are remarkable at resisting break ins. The impact glass used in the bi-fold doors is so strong and thick with double glazing panes, that it is near impossible for breaking and entering to occur.

Saves Energy

Like SIW’s impact windows and French Doors, the bi-fold doors do not absorb the light coming from outside, which reduces the heat transferred to the inside of your home. The Bi-Fold doors are insulated well enough to keep the cool air in and the hot air out. As a result, you will be able to save on your electric bill due to the air conditioner not needing to constantly work to fight off heat.

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