Sheffield® II Fusion-Welded Vinyl Windows

Ultra-Premium, Custom-Made Windows

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Every precision-engineered component of the Sheffield® II Window contributes to superior energy savings. The multi-wall frame and sashes provide outstanding durability and structural integrity, while the sloped sill helps to prevent water accumulation while maintaining a timeless, detailed appearance.

Sheffield II Windows feature tilt-in top and bottom sashes and make cleaning your windows safe and easy from inside the home.

Best yet, Sheffield II Windows are covered by Alside’s impressive Lifetime Limited Warranty* for complete peace of mind.

*See printed warranty for complete details

Features and Benefits

  • Heavy-duty, fusion-welded, multi-wall frame and sashes provide outstanding durability and structural integrity
  • Steel reinforcement in the meeting rails increases rigidity and strength
  • Quad 4 weatherstripping at the header optimizes thermal protection and energy savings
  • Compression bulb seal delivers added protection against inclement weather
  • Drop-in glazing improves energy efficiency and interior aesthetic appeal
  • Sloped sill for easy cleaning and prevention of water accumulation
  • Energystar Logo

Product Availability

This product is available in our Western Distribution area.
Western Availability


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    1. Sash ventilation limit-locks allow fresh airflow.
    2. Two sets of solid brass tandem rollers ensure smooth operation of the sliding window.
    3. Heavy-duty cam action locking system.
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  • ClimaTech® insulated glass packages 
  • Designer grids enclosed within the insulated glass unit for easy cleaning 
  • Colonial, prairie and craftsman grid patterns available
  • White, Almond and Desert Clay interior color options 
  • White, Almond and Desert Clay exterior color options. A Bronze exterior is also available with a white interior.
  • Full screens available
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