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2750 Folding Window

Open Kitchens and Rooms

2750 Exterior Folding Windows 
Exclusively from Win-Dor

As folding doors become more and more popular, some of our customers have asked us if we'd be willing to make a few windows to match their doors. Our response? "Sure, why not."

Today we use the same proven platform to make our hybrid folding windows as we do for our hybrid folding doors. And unlike other manufacturers who solely use aluminum, vinyl or wood when manufacturing their folding window systems, Win-Dor combines both vinyl and aluminum to offer our customers something truly unique.

The positives and negatives of an all-aluminum folding window system

Aluminum is a great material for bifold window systems. It is strong and rigid. It allows for larger sized installations vs. the traditional vinyl folding window system. At the same time, there are several drawbacks to a standard aluminum window system. Just like aluminum windows, it eventually corrodes and breaks down. Secondly, aluminum is great at transferring energy. Because of this, an aluminum bifold system will not be as energy-efficient.

The positives and negatives of an all-vinyl folding window system

Vinyl is also a great material for bifold window systems. Unlike aluminum, vinyl will never crack or peel. It won't corrode. In fact, vinyl bifold windows require very little maintenance. And just like vinyl windows, vinyl bi-folds can be incredibly energy efficient.

But just like its aluminum counterpart, there are drawbacks with vinyl. A bifold window system made exclusively from vinyl doesn't have the same strength as an aluminum bifold window system. And because of this, the size of the opening is extremely limited, especially for larger residential and commercial applications.

The Win-Dor 2750 Exterior Folding Window Solution

Understanding the limits of both, Win-Dor set out to create an extremely durable, strong, very low-maintenance energy efficient folding window system that we feel is probably the highest quality bifold windows in America.

Our unique blend of strong rigid aluminum framing with a long-lasting, low maintenance vinyl capping and a smaller sill creates a unique combination not available from other manufacturers. And one which is also thermally improved.


Innovative, Durable and Low Maintenance

Folding Window Handle White
Folding Window Shoot Bolt White
Hinges Brushed Stainless Steel
Brushed Stainless Steel
Flat Grid
GBG Flat
3750 Window Sash No Grid
No Grid
clear glass


Popular Choices, Energy Efficient and Low Maintenance

[PDF] Download Color Chart

Every window and door manufactured by Win-Dor Systems is made from the highest quality 100% virgin vinyl available, extruded in either white or beige.  Colors are consistent throughout the products, hardened to stand up to the harshest elements and will never peel, chip or need paint.


A variety of popular painted exterior coating options are available.  Each color is bonded onto the vinyl surface and adds an element of heat reflectivity.  All of our painted finishes are scratch and chip resistant, made to withstand the elements and formulated for optimal energy efficiency.

Dk Bronze (Coated)

Additional exterior colors are available.  The semi-custom color family of colors may require longer production lead-times.  Please consult the factory for additional information.

Silver (Coated)

WinShield® is a specialty laminate made from multiple layers of durable and highly reflective materials. Each layer adds to its strength and heat reflectivity. The laminate is bonded to the vinyl using a specialized process. WinShield’s unique technology performs incredibly well even in extreme environments. It is virtually maintenance-free, much more durable than traditional paints used by others, and provides a consistent color that can be carried across multiple products reducing variations.