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Our Slimline double hung vinyl replacement window features a sleek, fully-welded sash profile and a fully-welded frame. This unique design minimizes the width of the sash frames to increase your exterior view. We’ve applied the latest technology to produce an attractive window at an affordable price, without compromising on features. Slimline offers high-quality design, value and custom manufacturing for a perfect fit. Lighten up your view of life with Slimline.


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  • ENERGY STAR qualified with optional Low-E/Argon glazing
  • Factory calibrated block & tackle sash balances never need adjustment or lubrication
  • Ventilation limit latches that keep top or bottom sash partially open
  • Fiberglass half screen
  • Color-matched hardware
*Due to monitor printing limitations, stain and paint
colors shown are for representation only.
  • Grids
    Grid Configurations


    Colonial
    Prairie

    Diamond (only offered in flat bar design GBG)

    Custom configurations
    may be available upon request


    Grids Between the Glass (GBG)


    5/8" Contoured, Color-Matched    		 


  • Screens
    Half Screen
    • Fiberglass wire (standard)

    Full Screen
    • Fiberglass wire
  • Glazing
    • Clear Insulated (standard)
    • Low-E
    • Low-E/Argon
    • Double Low-E/Argon
    • Obscure
    • Tempered
  • Additional Options
    • DP 50 Upgrade
    • Foam-Filled Frame/Sash
    • Structural Mullion
    • Foam Wrap
  • Thermal Performance
    Glazing U-Factor R-Value SHGC Visible Light Transmittance Region
    Low-E 0.36 2.78 0.30 0.54 ---
    Low-E/Argon 0.32 3.13 0.30 0.54 NC, SC
    †Federal Incentive Package 0.30 3.33 0.21 0.50 All Zones
    Low-E w/Grid 0.36 2.78 0.27 0.49 S
    Low-E/Argon w/Grid 0.32 3.13 0.27 0.49 NC, SC, S
    †Federal Incentive Package w/Grid 0.30 3.33 0.19 0.45 All Zones
  • Structural Performance
    Unit Size Air Infiltration Water Resistance Structural Pressure Design Pressure Structural Rating
    42x77 0.06 cfm / sq ft 5.43 psf 52.63 psf DP35 H-R35
    40x63** 0.22cfm/sq.ft. 7.52psf 75.24psf DP50 H-R50

    * Reinforced Sash
    ** Sill rise extender will reduce clear opening height by 9/16"
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