Product Details
Color Options
Have you experienced difficulty getting your patio door to glide smoothly in the past? Window World sliding patio doors are situated on an adjustable four-point tension system, with special anodized tracks to resist corrosion and keep your door gliding smoothly on track.
- Created for ease of operation
- Offers unbeatable protection against all weather conditions
- Built from premium vinyl construction
- Designed for superior strength and structural integrity
View our range of patio door colors to meet your specific taste.
*Color options may vary based on package, dimensions and more.
What is energy efficiency?
Energy-Efficient Doors
You want your doors to be strong, secure, and energy-efficient. Window World doors fit the bill. Learn about our energy-efficient features and discover how much you could potentially save.
Your Questions, Answered.
Patio Doors FAQs
What are French-style sliding patio doors?
For those who want to capture the elegant look of a French door but also need to save on space, we offer a French-style sliding patio door. The 5″ top rail, 7″ bottom rail and 3″ side rails further enhance the aesthetic appeal.
+Personalize Your Decorative Handle
The graceful contour of our French-style sliding patio door handles sets them apart. Each handle features a top lock for added resistance.
What are contemporary-style sliding patio doors?
Our contemporary-style sliding patio doors have clean lines, symmetrical 3″ rails, and will add modern sophistication to any room.
What are classic-style sliding patio doors?
Tradition never goes out of style. Our classic-style sliding patio door offers you the elegance and functionality you want in a sliding patio door. It’s generous 5″ rails and smart finishing details give any room a refined touch.
+Customize Your Decorative Handle
Add your personal touch to your contemporary-style or classic-style sliding patio doors with one of our beautifully crafted handles. The popular handle design features a convenient thumb latch for added appeal.
Are patio doors energy efficient?
Yes. Window World of Joliet’s Sliding Patio Doors provide thermal protection all year long. Our patio doors are equipped with dual weatherstripping, a compression bulb seal, closed-cell foam gaskets, and a 1″ insulated glass unit with a warm-edge spacer system, which all work together to save energy.
+Save More Energy with SolarZone™
We offer SolarZone™ insulated glass packages, which have proven to be far more effective than ordinary clear glass units. How to read the data: The lower the U-Value (also known as U-Factor), the less energy you’ll need to heat your home. The lower the solar heat gain coefficient (SHGC), the more you’ll conserve on air-conditioning.
Classic-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .41 | .49 |
| SolarZone | .27 | .25 |
| SolarZone Elite | .27 | .18 |
| SolarZone TG2 | .21 | .22 |
Contemporary-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .43 | .56 |
| SolarZone | .27 | .29 |
| SolarZone Elite | .27 | .20 |
| SolarZone TG2 | .20 | .25 |
French-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .42 | .52 |
| SolarZone | .28 | .26 |
| SolarZone Elite | .27 | .19 |
| SolarZone TG2 | .21 | .23 |
Clear: Clear double-pane insulated glass unit.
SolarZone: Soft coat, multi-layer, vacuum deposition Low-E glass with argon gas and Intercept™ warm-edge spacer system.
SolarZone Elite: Soft coat, SHGC multi-layer, vacuum deposition Low-E glass with argon gas and Intercept™ warm-edge spacer system.
SolarZone TG2: Triple-pane unit with two surfaces of Low-E glass and two air spaces of argon gas with the Intercept™ warm-edge spacer system.