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.
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.
Our contemporary-style sliding patio doors have clean lines, symmetrical 3″ rails, and will add modern sophistication to any room.
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.
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.