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Excalibur Fusion Welded Vinyl Windows

    Improving the beauty and value of your home comes naturally to Excalibur® Windows manufactured by Alside, and installed by Vinyl Exteriors Construction Co. Not only are these windows beautiful, they're remarkably solid, sturdy and stable. Plus, our beveled master frame and sash design is exceptionally slim and refined, so your home shines in a whole new light, inside and out.

You'll enjoy a new level of maintenance freedom with Excalibur Windows. They feature vinyl frames that will never chip, peel, crack or warp,never need painting or caulking. And Excalibur's tilt-in sashes make cleaning a pleasure. You'll save money on energy bills because Excalibur's superior all-weather performance helps reduce heating and cooling costs.

The ultimate choice for beauty, comfort and energy efficiency, Excalibur Windows will pay for themselves through lower energy costs, freedom from maintenance and increased property values. And all Excalibur Windows are covered by our impressive Lifetime Limited Warranty with additional transferability provisions available.

Superior strength is fusion-welded into every Excalibur® Window.

window chart
  1. BEVELED EXTERIOR MASTER FRAME for a clean, elegant look.

  2. MULTIPLE INSULATING AIR CHAMBERS help to reduce conduction and increase energy efficiency.

  3. FULLY EXTRUDED LIFT RAIL for strength and durability.

  4. MEETING RAIL INTERLOCK gives protection from the weather as well as added security.

  5. METAL REINFORCEMENT for added strength at the meeting rails.

  6. SLOPED SILL forces water to drain to the exterior.

  7. DOUBLE BARRIER-FIN WEATHERSTRIPPING around sashes and frame helps to protect against the elements.

  8. 7/8" INSULATED GLASS UNIT with standard DOUBLE-STRENGTH GLASS and the HIGH PERFORMANCE WARM EDGE SPACER SYSTEM improves the window's year-round performance.

  9. HIDDEN SCREEN TRACK for added beauty.


  • TILT-IN SASHES for ease of cleaning.

  • FULL BALANCE covers help protect against air infiltration and add a finished look to the window interior.

  • SPIRAL BALANCES eliminate sash cords, weights and pulleys, and make opening and closing the window easier.

  • Protective HOLLOW BULB SEAL at the sill acts as a secondary weatherstripping.

  • COLOR-COORDINATED TILT LATCHES, LOCK AND KEEPER for a clean, consistent appearance.

  • Color-coordinated DUAL VENT LOCKS limit the movement of the sashes from the interior and exterior while allowing for ventilation.


  • ENERGY STAR® compliant ClimaTech™ Insulated Glass Package combines LoE2 Glass with Argon Gas and a High Performance Warm Edge Spacer System for added energy efficiency.

  • Obscure glass available.

  • Choose from standard, contour or brass grids.

  • Colonial or diamond grids, as well as specialty grooved glass patterns.

  • Full or half fiberglass screens for all models.

  • All models available in beige.

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