Series 451 Horizontal Slider

Available in 2-and 3-lite styles. The high-performance vinyl frames wipe clean in no time and optional grids come fixed between the glass panes so they never need cleaning. Our thermally fused, welded vinyl frames are engineered to prevent air, water and noise infiltration. Choose any of our Low-E glass options and help lower heating and cooling costs in your home.



  • Single sash horizontal sliders with true brick mould exterior frame
  • All-welded frame and sash corners
  • insulated glass
  • Available in 2-lite and 3-lite configurations
  • Integrated nail fin and J-Channel for easy installation
  • Half screen included as standard
  • Optional without J-Channel (series 161)
  • A wide variety of rectangular and custom shaped picture windows is also available (consult your Atrium representative for details)
  • Limited Lifetime Warranty


Product Sizes

  • Custom sizes available

Frame Options

  • Integral nail fin and J-Channel

Glass Options

  • Low-E
  • Low-E with Argon
  • Ultra Low-E with Argon
  • Obscure
  • Tempered
  • Double strength

Grid Styles

  • 5/8'' or 3/4'' box grids between the glass
  • 5/8'' or 1'' contoured grids between the glass
  • 1-1/8'' applied SDL

Grid Patterns

  • Colonial
  • Prairie
  • Perimeter Prairie
  • Daimond Pattern
  • Custom patterns available

Product Hardware

  • Positive action deluxe cam lock


  • Series: 451
  • Sash Operation: Horizontal Slider
  • Frame Material: Vinyl (PVC)
  • Frame Construction: Fusion Welded
  • Exterior Frame Appearance: Brickmould
  • Frame Depth: 3-7/8''
  • Frame Style: Nail fin
  • Mounting Flange Setback: 2-3/16''
  • Sill Design: Pocket
  • Glass: 3/4'' Insulated
  • Divided Lites:
  • 5/8'' or 3/4'' box grids between the glass
  • 5/8'' or 1'' contoured grids between the glass
  • 1-1/8'' applied SDL
  • Hardware: Positive action deluxe cam lock
  • Screen Frame: Color matched roll formed aluminum
  • Screen Mesh:
  • 18 x 16 Fiberglass mesh
  • Optional charcoal aluminum mesh
  • Structural Performance: DP 25 at 70'' x 49''

Go Back
Powered by Your Web Pro | Roofing and Contractor Websites
Want a Free Estimate?
Call us at: 919-909-2438
Coastal: 910-556-3777
Certified Roofing and Siding Images
8124 Hartham Park Avenue
Raleigh, NC 27607
722 Wellington Avenue
Wilmington, NC 28401
Schedule an Estimate
Close [x]