Core 3 1/4" Window

  • 3 ¼” vinyl frame
  • Warm edge spacers recessed between the panes of glass both minimize glass edge conductivity while optimally containing the argon gas within the sealed units, obtaining a 90% argon gas fill rate
  • Fusion Welded vinyl chambers
  • Thicker exterior sash walls (.090” versus .068”)
  • Offset groove creates a natural drip edge so water flows away from your window
  • Internal steel reinforcement channel to ensure optimal performance and operation for larger windows.
  • Mullion reinforcement pocket to facilitate structural reinforcement when combining large units.
  • Available with true triple pane, 1 3/8” glazing for optimal performance & sound
  • Heavy duty hinge for larger triple pane units
  • Rated Most efficient by Energy Star
  • Santoprene bulb seals improve sash/bulb contact area for a consistent seal and improved performance
  • Ideal for renovation or new construction (new construction we recommend a brickmould be applied)

Core Plus 4 9/16" Window

  • 4 9/16” vinyl frame with built in nosing
  • Warm edge spacers recessed between the panes of glass both minimize glass edge conductivity while optimally containing the argon gas within the sealed units, obtaining a 90% argon gas fill rate
  • Fusion Welded vinyl chambers
  • Thicker exterior sash walls (.090” versus .068”)
  • Offset groove creates a natural drip edge so water flows away from your window.
  • Internal steel reinforcement channel to ensure optimal performance and operation for larger windows.
  • Mullion reinforcement pocket to facilitate structural reinforcement when combining large units.
  • Rated Most efficient by Energy Star
  • Santoprene bulb seals improve sash/bulb contact area for a consistent seal and improved performance
  • Ideal for new construction and renovation

Enersense 5 5/8" Hybrid Window

  • 5 5/8” vinyl/wood or cellular PVC hybrid frame
  • Built in 1 3/16” nosing
  • Interior available in Cherry, Oak, Pine and Celluar PVC. Other wood species upon special request.??
  • Warm edge spacers recessed between the panes of glass both minimize glass edge conductivity while optimally containing the argon gas within the sealed units, obtaining a 90% argon gas fill rate
  • Fusion Welded vinyl chambers
  • Thicker exterior sash walls (.090” versus .068”)
  • Offset groove creates a natural drip edge so water flows away from your window.
  • Available with true triple pane, 1 3/8” glazing for optimal performance & sound
  • Heavy duty hinge for larger triple pane units
  • Internal steel reinforcement channel to ensure optimal performance and operation for larger windows.
  • Mullion reinforcement pocket to facilitate structural reinforcement when combining large units.
  • Rated Most efficient by Energy Star
  • STC rating of 36-39 (Sound transmission)
  • Foam filled chamber
  • Santoprene bulb seals improve sash/bulb contact area for a consistent seal and improved performance
  • Ideal for renovation or new construction