Excalibur® windows from Alside are beautiful and remarkably solid, sturdy and stable. Plus, our beveled mainframe design is exceptionally slim and refined. Their sleek construction easily complements any type of architecture.

You’ll find that Excalibur vinyl frames will never chip, peel, crack or warp, and will 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 help to pay for themselves through lower energy costs, freedom from maintenance and increased property values. Plus, our impressive Lifetime Limited Warranty* delivers the peace-of-mind you would expect from an industry leader.

Excalibur Features

  •  Fully extruded lift rail adds strength, durability and ease of operation
  •  Sloped sill forces water to drain to the exterior
  •  Hidden screen track produces clean lines
  •  Protective hollow bulb seal at the sill for added weather protection

Additional Features

  •  Beveled edge on top sash guides sash into place for a tight seal.
  • Telescoping butt-joint reinforced corners make the window more energy efficient, eliminating drafty gaps at sash and frame corners.
  • Constant force balance system eliminates sash cords, weights and pulleys. you’ll benefit from smooth, comfortable fingertip operation.
  • Tilt-in top and bottom sashes make cleaning safe and easy from inside the home.
  • Double barrier-fin weatherstripping at sash sides help keep out dirt and noise, and protect against air infiltration.
  • Full balance covers help protect against air infiltration while adding a finished look to the window frame.

Options Include

  •  Standard, contour or brass grids
  • Colonial or diamond grids, grooved glass patterns
  • Light oak, dark oak and cherry woodgrain interior finishes
  • Beige exterior with an optional white laminate woodgrain interior
  • Full fiberglass screens available
  • Obscure glass

Email Address


Office : (858) 831 9100