Pella 450 Series Double-Hung Windows

Pella® 450 Series Double-Hung Window

2D Cross Section
(Aluminum-Clad Wood)
2D Elevation
(Aluminum-Clad Wood)
3D & BIM
(Aluminum-Clad Wood)
3D & BIM
(Aluminum-Clad Wood)
(Aluminum-Clad Wood)
  • Operable sizes up to 3' 5" x 6' 5".
  • Performance Grade up to PG50.

A local Pella team member is ready to help you with your project.

Installation Guides Warranty Info

Features & Options

Sizes and Shapes Pella 450 Series Double-Hung Window


Built-to-order in 1/4" increments.

View size tables


Add transoms or adjacent windows for flexible combinations.

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Design Data

Design data available for egress, vent opening, clear opening, visible glass and frame area.

View design data.


Performance Values Pella 450 Series Double-Hung Window

These windows provide outstanding resistance to air and water infiltration, wind and outside noise while increasing energy efficiency, security and ease of operation.

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View thermal performance

View sound transmission performance

Wood Types Pella 450 Series Double-Hung Window

  • casement

Available with Pine interiors and low-maintenance aluminum-clad exteriors. All wood types are treated with Pella's EnduraGuard® wood protection for beauty and performance...year after year.

Pella's EnduraGuard® wood protection formula has three active ingredients. This powerful combination, together with our immersion-treatment method, helps ensure strong protection on every exterior wood surface of our products. The result is advanced protection against the effects of moisture, decay and stains from mold and mildew.

Learn about all Pella Wood Types

Interior Finishes Pella 450 Series Double-Hung Window

Interior finish options include unfinished (ready for site finishing), primed, prefinished paint* and prefinished stain*.

Unfinished Interiors

Wood products are available with unfinished interiors so they can be painted or stained to complement other interior finishes.

Primed Interiors

Primed Pine interiors are ready to paint so the windows can perfectly match other painted interior finishes.

Prefinished Painted Interiors*

Wood window can arrive at the job site with a durable prefinished factory-paint finish.

Prefinished Stained Interiors*

The interiors of Pella 450 Series windows are available factory-stained in your choice of seven colors.

  • Black

  • Dark Mahogany

  • Early American

  • Golden Oak

  • Natural

  • Provincial

  • Red Mahogany

*Available on Pine products.

NOTE: Wood is a product of nature; grain pattern will be unique and may vary on each window or door. Actual finish colors may vary from those shown because of the unique nature of wood.

Learn about all Pella Interior Finishes

Exterior Finishes Pella 450 Series Double-Hung Window

Pella 450 Series double-hung windows feature durable, weather-resistant, low-maintenance aluminum-clad wood exteriors.

Exterior Aluminum Cladding Colors

  • White

  • Poplar White

  • Tan*

  • Putty

  • Portobello

  • Morning Sky Gray

  • Brown

  • Hartford Green

  • Black

  • Brick Red

Durable, low-maintenance EnduraClad aluminum cladding with EnduraClad protective finish for most projects where resistance to fading, chalking, chemicals and abrasion is needed. Meets the performance requirements of AAMA 2603.

Seacoast EnduraClad protective finish for coastal projects with high salt exposure.

2Available in Poplar White, Putty, Hartford Green, Black and Brick Red only.

Learn about all Pella Exterior Finishes

Glazing Pella 450 Series Double-Hung Window

Pella offers their most popular insulating glass options for design, performance and budget flexibility.

Insulating glass options include:

  • Advanced Low-E with argon*
  • SunDefense Low-E with argon*
  • NaturalSun Low-E with argon*
  • Clear
  • Obscure
  • Tempered

Pella's Low-E glass options reduce the transmission of solar heat gain and ultraviolet light while allowing the transmission of visible light.

*Optional high-altitude Low-E insulating glass may not contain argon in most products.

View thermal performance

Learn about all Pella Glass Options

Grilles Pella 450 Series Double-Hung Window

  • Four grille types are available on Pella 450 Series hung windows.
  • Simulated-Divided-Light grilles adhere to the exterior face, and wood grilles are adhered to the interior face.
  • Grilles-between-the-glass are permanent aluminum grilles that are factory installed between the panes of glass to provide easy cleaning.
  • Removable Interior grilles can be removed for glass cleaning.
  • Simulated-Divided-Light grilles with Spacer.
  • Simulated-Divided-Light Grilles

  • Grilles-between-the-glass

  • Removable Interior Grilles

  • Simulated-Divided-Light Grilles with Spacer

Simulated-Divided-Light grilles

Interior grilles are wood and can be prefinished to match frame. Aluminum-clad exterior grilles match frame color.

  • Grilles are 7/8" wide.
  • Color matches frame.
  • Multiple grille patterns are available.

Grille Profiles

  • 7/8" width


Permanent aluminum grilles are factory-installed inside the airspace of insulating glass to provide the look of divided lights while making glass cleaning easy.

  • Exterior finish matches aluminum-cladding color.
  • Nine interior colors are available.
  • Grilles are 3/4" wide.

Grille Profiles

  • 3/4" width

Grille Interior Colors

  • White

  • Tan*

  • Putty*

  • Brown*

  • Ivory

  • Harvest

  • Brickstone

  • Cordovan

  • Black

*Only available with matching interior and exterior colors.

Removable interior grilles

  • Roomside wood interior grilles are securely attached to the interior, but can be removed for glass cleaning.
  • Available prefinished to match the interior wood finish and exterior cladding.
  • Available in two standard and custom widths.

Grille Profiles

Also available in custom widths.

  • 3/4" width

Grille Patterns

  • Cross

  • Custom

  • None

  • Prairie

  • Top Row

  • Traditional

Learn more about Pella ProLine Double-Hung Grille Profiles, Patterns, Spacing and Visible Glass Design Parameters.

Learn about all Pella Grille Options

Hardware Pella 450 Series Double-Hung Window

These windows offer Pella's most popular window hardware styles and finishes.

  • Surface-mounted sash locks.
  • Optional sash lifts.
  • Block-and-tackle balances.

Sash Locks and Lifts

  • Pella cam-action locks are designed to increase leverage as the window is closed to assure a superior, weathertight seal.
  • Two sash locks and lifts are standard on larger double-hung windows.
  • Optional keyed locks and limited-opening hardware are available.
  • Champagne, White, Brown, Satin Nickel and Oil-Rubbed Bronze finishes are available.

Essential Hardware

Cam Action Lock

  • Champagne

  • White

  • Brown

  • Matte Black

  • Satin Nickel

  • Oil-Rubbed Bronze

Sash Lift

  • Champagne

  • White

  • Brown

  • Matte Black

  • Satin Nickel

  • Oil-Rubbed Bronze

Easy Wash

The easy wash feature allows exterior glass to be cleaned from inside, reducing maintenance costs.

Learn about all Pella Hardware Options

Screens Pella 450 Series Double-Hung Window1

Full screens are optional for Pella 450 Series double-hung windows. Two types of high-transparency screen fabric are available.

InView Screen

  • The standard option on all Pella wood windows.
  • Allows in 14% more daylight and 8% more airflow than a conventional fiberglass screen.2
  • Made from a screen material that's more transparent than conventional fiberglass screens.

Vivid View® Screen

  • Available as an upgrade on all Pella wood windows.
  • Allows in 29% more light and 21% more airflow than a conventional fiberglass screen.2
  • Made from a clearly revolutionary screen material3 that's practically invisible providing the crispest, sharpest view.

1Warning: Use caution when children or pets are around open windows and doors. Screens are not designed to retain children or pets.

2Screen cloth airflow is based on calculated screen cloth openness. Screen cloth transmittance was measured using an integrated sphere spectrophotometer.

3GORE InLighten® Transparent Screen Fabric.

Learn about all Pella Screen Options
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