Double Hung


Double Hung

Engineered for strength and higher performance Additional lock colors availableOptional exterior trims available

Our Premium Double Hung Windows Offer Flexibility & Performance

New Construction SKU: NC8300-DH | Replacement Windows SKU: RW8300-DH

Featuring the addition of foam filling, higher balance values, and additional color and grid options, there are no limits to the applications of our premium 8-Series double hung windows. Available for both new construction and replacement projects, our premium double hung window provides unmatched performance, strength and beauty. Our contoured narrow-line, exterior mainframe will add striking curb appeal to your project. The core integrity of our premium double hung window is in the meeting rail. With it’s double weather-stripping, 5/8″ interlocks, and box and I-beam construction, security and strength come standard in this product.

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Product Details

  • Fusion welded frame and sash
  • Integral pre-punched nailing fin (New Construction only)
  • Molded J-Channel with ¾” pocket
  • Standard ¾” insulating glass that meets ENERGY STAR V7
  • Stainless steel ¾” constant force balance
  • Cam-action sweep sash locks
  • Color matched hardware
  • Triple polyfin-seal weather-stripping
  • Full screen
  • Top and bottom sashes tilt-in for easy cleaning



  • Meets ENERGY STAR V7
  • ENERGY STAR Most Efficient options available with blended gas
  • Obscure glass for privacy
  • Additional glass packages available upon request


Contour Grid
Flat Grid
Single Prairie Grid

SDL (Simulated Divided Lite) Grids

Single Prairie SDL


  • Engineered for performance, durability and smooth operation
  • Designed to achieve a high end, low profile appearance

(Available colors)

Brushed Nickel

Injected Foam Insulation

Injected foam insulation (Optional)


  • Offers flexible frame, easy to install and remove
  • Available on painted products only
  • Half and Full Screen Available


(Half screens included on replacement windows / Full screens included on new construction)

Standard Fiberglass Screen

Exterior Casing (Available for New Construction products only)

Flat Casing - 4 Sided
Brickmould - 4 Sided
3 Sided with Still Nose
Exterior Casings Profile

Interior Drywall Receiver (Available for New Construction Products Only)

Interior Drywall Receiver
1/2" - 5/8" - 3/4"

Jamb Extension (Available for New Construction Products Only)

Clear Pine 6 9/16”
Primed Finger-Jointed 4 9/16”
Primed Finger-Jointed 6 9/16”

Standard Finish Options

White Vinyl
Tan Vinyl

Optional Finishes

Black (029)
Bronze (023)
Forest Green (022)
Anthracite Grey

The button will take you to NFRC website. This allows for performance data to reflect the exact window based on the specifications selected.
Paradigm reserves the right to change data values at any time.

Extruded PVC components, produced from commercial quality virgin PVC (unplasticised polyvinyl chloride), provide multi-chambered PVC extruded frames and sash. Fusion welded frame and sash joints creating strength. Head and jamb members have integral screen stops. Meeting rails have an integral interlock with two contact points of pile weather-strip provided.

Balance Mechanism: 2 stainless steel ¾” wide constant force coil spring balances for countering the weight of the window sash. Each window sash balance system includes interlocking pivot bars to help ensure proper alignment and ease of movement throughout the entire opening process. Each balance cavity is finished with a removable, color matched liner providing a beautiful, finished appearance from the top of the bottom sash to the head of the window.

Locking Device: Provide each window over 32 inches in width with two cam-action sweep sash locks. The sash has one continuous, integral lift rail at the bottom of the sash. Two tilt latches in the top of the sash allow for tilting in for exterior cleaning. The tilt latches are integrally mortised into the sash top rails for a clean appearance.

Glass and Glazing: Factory glazed 3/4″ insulating glass conforming to ASTM-E-2090, with warm edge seal spacer. Glazing shall be integral glazing type system with architectural back bedded glazing tape and designed to maintain a watertight seal between glass and sash frame. Non-standard glass options will have a thermally-improved box-type spacer with dual seal system.

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