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Sliding Windows

  • Allow more natural light into your home
  • Feature an innovative design with a modern look
  • Durable, easy to use and require minimal maintenance

Sliding Windows – Long Island

Window World of Long Island’s Slider windows offer a crisp, clean design that allows for maximum light transmittance and visibility. Our slider windows also feature a unique rolling hinged design, allowing for simple vertical or horizontal sliding. Our beautiful new slider windows are also available in 2 or a 3-Lite design, allowing for perfect customization to match your Long Island home’s personal style.

Every Slider window features the same low maintenance, energy-efficient benefits you’d expect from Window World. Our customizable slider windows are a perfect combination of performance, design and beauty.

In addition to a wide range of upgrades and decorative options, Slider windows are protected by our Lifetime Limited Warranty.

Sliding Window Gallery

Slider Window Features

  • Fusion-welded sash & mainframe adds strength and rigidity
  • Triple-barrier weather-stripping keeps the elements out

Slider Windows – Technical Details

  1. Multi Chambered Sash & Mainframe create insulating air spaces for superior thermal efficiency.
  2. Vinyl frames and sashes will never chip, peel, crack or warp. Made tough and solid with virgin vinyl (PVC) powder, their color is formulated throughout so the beautiful luster lasts.
  3. Interlock at sash meeting rails creates a tight seal against air infiltration while adding security and comfort.
  4. Insulated glass unit with optimal air space improves year-round performance.
  5. PPG Intercept™ Warm Edge Spacer System maximizes window performance and longevity.

Additional Features

  • Fusion welded Sash & Mainframe structure adds strength and rigidity. Tough, extra-thick extrusion walls provide the ultimate in welding strength.
  • Ventilator locks secure sash in the open position to provide ventilation.
  • Metal reinforcement adds strength at the meeting rails.
  • Triple-barrier weatherstripping between the sash and jamb for superior protection from air and water infiltration.
  • Full or half fiberglass screen provides ventilation while keeping insects out.

4500 Series Sliding Windows

The perfect combination of beauty and functionality, 4000 Series Sliding Windows are popular in homes of every style. The beautifully contoured design of the rugged vinyl frame blends with virtually all home exterior designs. The premium vinyl will never fade or deteriorate, and is nearly maintenance free. Additionally, a host of performance features like optimum-sized insulating glass units and an efficient spacer design help the windows achieve high thermal performance ratings that help lower utility bills. And as always, a comprehensive lifetime limited warranty ensures dependable value, year after year.


  1. Mutli-chambered frame profiles increase strength and thermal performance.
  2. Dual-paned 3/4″ insulated glass units are available with SolarZone™ glass.
  3. Glass penetrates sash 1/2″ to keep edges warmer and inside temperatures even.
  4. Frames and sash are welded at mitered corners for long-lasting strength.
  5. Sash slide easily on nylon rollers that resist dirt buildup.
  6. Multiple weatherseals at various points around each sash reduce drafts.
  7. Integrated pull stile will not loosen or break off. (Not shown.)
  8. Interlocking meeting stile lock sash tightly around weatherstripping.
  9. Intercept® U-channel spacer system adds to overall thermal performance.



6500 Series Sliding Windows

The superior performance of Window World’s 6500 Series windows is shown in every strategically engineered aspect. The architectural design of the vinyl frame mimics the beautiful look of wood, while also giving you the low-maintenance convenience of vinyl. The sliding windows feature weather protective, high-performance glass units, and insulating vinyl profiles. The 6500 Series windows are also covered by Window World of Long Island’s impressive Lifetime Limited Warranty.

View 6500 Series Color Options »


  1. Frames and sashes are fusion welded at mitered corners for maximum strength
  2. Vinyl profiles feature chambers that act as insulating pockets for enhanced performance
  3. Insulating glass units feature standard Low-E coating with Argon gas
  4. Glass units penetrate ½” into the sash, keeping glass edges warmer and reducing temperature transference
  5. U-channel spacers enhance energy efficiency by forcing temperature currents to travel indirectly
  6. Sash travel with ease on a multi-stepped vinyl insert
  7. Pull stiles are integrated into the sash and will not break over time
  8. Weatherstripping lines surround each sash
  9. Streamlined composite cam locks are color matched with additional decorative features also available
  10. Pull stiles interlock around weatherstripping and when secured with the cam lock, produce a virtually airtight barrier

To find out more about our superior sliding windows, contact Window World of Long Island today!