Single Hung


Single Hung

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

Our Premium Single Hung Vinyl Replacement Windows Offer Unparalleled Energy Efficiency

New Construction SKU: NC8300-SH | Replacement Windows KU: RW8300-SH

With 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 single hung vinyl windows designed for replacement or new construction. Seasonal changes in temperature and outside noise are kept out with our standard unique glazing process. A tilt-in bottom sash facilitates cleaning, Paradigm’s advanced multi-chambered fusion-welded sash and frame are rugged and durable, resisting bowing and bending. Available for replacement and new construction projects. Review the product details below to see what sets our premium 8-Series windows apart.


Product Details

  • Tilt-in bottom sash for easy cleaning
  • Low profile frame increases visible glass area
  • Fixed upper sash lite
  • ¾” Low-E insulating glass
  • Color matched sash hardware
  • Fusion welded frame & sash
  • Stainless steel ½” constant force balance



  • 1Low-E 270/I89 Low-E with Argon gas
  • 1Triple glazed 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: Two stainless steel ¾″ thickness constant force coil balance springs for sash. Enclose balance springs in rustproof cases, with jamb liner covers, from the top of the bottom sash to the head of the window unit. Balance covers shall be finished to match window frame finish and easily removable for field service. Balances also have an interlocking pivot bar, for integral frame alignment.

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 ¾″ 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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