Win Door Window Systems

3750 Multi Slide Door

Win-Dor's innovative, durable and low-maintenance 3750 Series multi-slide door system is considered among the highest quality multi-slide doors in America.

Our multi-slide doors are extremely energy efficient, very strong and structurally sound. Our unique blend of rigid aluminum framing with a long-lasting, low maintenance vinyl capping creates a unique combination not available from other manufacturers.

We offer a very clean 3 3/4" x 13/4" sash which measures the same as our folding doors. This allows for a consistent look when mixing and matching systems in the same home. Our 17/8" rollers coupled with our extruded track system allows for easy operations when opening and closing.

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Folding Door Technology

Exclusively from Win-Dor

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Unlike other manufacturers who solely use aluminum, vinyl or wood when manufacturing their folding door systems, Win-Dor has combined both vinyl and aluminum to offer our customers something special.

The positives and negatives of an all aluminum folding door system

Aluminum is a great material for bifold door systems. It is strong and rigid. It allows for larger sized installations vs. the traditional vinyl bifolding door system. At the same time, there are several drawbacks to a standard aluminum door 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 door system

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

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

The Win-Dor Folding Door Solution

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Win-Dor makes an innovative, durable, low-maintenance folding door system that is considered among the highest quality bifold doors in America. But don't take our word for it, you can see the Performance and Testing results below.

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

Swing Door Technology Exclusively from Win-Dor

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 Win-Dor's innovative, durable and low-maintenance swing door system is considered among the highest quality swing doors in America. 

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 WinDor’s Swing Door combines a contemporary vinyl sash with aluminum reinforcement, allowing for a durable, yet low maintenance, affordable high quality swing door system that will create a grand focal point in any room. 

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 Our 3750 Swing Door offers a  1 3/4 x 3 ¾ sash profile that is the same as our Multi Slide and Folding door, this will allow homeowners and builders alike to perfectly to mix and match our door systems while maintaining a cohesive look. 

Exterior Folding Windows - Exclusively from Win-Dor

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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.

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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 bifolding 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. 

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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 bifolds can be incredibly energy efficient.

But just like its aluminum counterpart, there are drawbacks with vinyl. A bifold window system make 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 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.