Pella 450 Series Fixed Frame Windows

Pella® 450 Series Fixed Frame Window

  • Curve-top, angled and rectangular interior-glazed aluminum-clad wood frames.
  • Complements Pella 450 Series windows.
  • Rectangular exterior-glazed aluminum-clad wood frames can be glazed with opaque panel or spandrel glass and used in spandrel locations where there is a wall, floor or column behind the window.

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Installation Guides Warranty Info

Features & Options

Sizes and Shapes Pella 450 Series Fixed Frame Window

Curve-Top Fixed Frame with Pella's Simulated-Divided-Light Grilles

Curve-top fixed frames with Pella's Simulated-Divided-Light grilles are available to complement other Pella 450 Series products with applied grilles.


View size tables
Hurricane Shield® design data
View design data

Curve-Top Fixed Frame Windows

Curve-top interior-glazed aluminum-clad wood frames are available to complement Pella ProLine products with grilles-between-the-glass or removable interior wood grilles.

  • Arch Head

  • Full Circle

  • Elliptical


Angled Fixed Frame Windows with Interior Glazing Stops

Rectangular Fixed Frame Windows with Interior Glazing Stops


Rectangular Fixed Frame Windows with Exterior Glazing Stops

Rectangular exterior-glazed aluminum-clad wood fixed frames are available for spandrel locations so broken glass can be replaced from the exterior. They are often used in places where there is a wall, floor or column behind the window.


Exterior Glazed size tables
Interior Glazed size tables


Learn about all Pella Sizes and Shapes

Performance Values Pella 450 Series Fixed Frame Window

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


Interior Glazed, glazing performance
Exterior Glazed, glazing performance
Hurricane Shield® glazing performance
View sound transmission performance

Wood Types Pella 450 Series Fixed Frame Window

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 Fixed Frame 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 eight colors.

  • Natural

  • Golden Oak

  • Early American

  • Provincial

  • Special Walnut

  • Red Mahogany

  • Dark Mahogany

  • Cherry

*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 Fixed Frame Window


Pella® 450 Series fixed frame windows feature durable, weather-resistant, low-maintenance aluminum-clad wood exteriors.

Aluminum-Clad Wood

Aluminum-clad wood products are available with durable, weather-resistant, low-maintenance coatings choose EnduraClad® or 70% fluoropolymer resin-based EnduraClad Plus1 finishes.

Exterior Aluminum Cladding Colors

  • White

  • Poplar White

  • Tan

  • Putty

  • Portobello

  • Morning Sky Gray

  • Brown

  • Hartford Green

  • Black

  • Brick Red

Aluminum-Clad Exteriors

  • Pella gives you an extraordinary number of exterior color choices.
  • Standard and Feature1 colors.
  • No setup charges or minimum quantities for any Pella color option.

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.

2EnduraClad Plus finish is available with most Pella cladding colors. Please see your local Pella representative for specific color availability.


Learn about all Pella Exterior Finishes

Glazing Pella 450 Series Fixed Frame Window

A wide variety of glazing systems and options are available 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
  • Spandrel glass or panels
  • Obscure
  • Tempered

Thermal performance

Interior Glazed, glazing performance


Exterior Glazed, glazing performance


Hurricane Shield® glazing performance


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


Learn about all Pella Glass Options

Grilles Pella 450 Series Fixed Frame Window

Four grille types are available on Pella 450 Series fixed frame 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

Grille Patterns

Grilles-between-the-glass

  • 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.
  • Seven interior colors are available.
  • Grilles are 3/4" wide.

Grille Profiles

  • 3/4" width

Grille Interior Colors

  • Brickstone

  • Brown*

  • Cordovan

  • Harvest

  • Ivory

  • Putty*

Removable interior grilles

  • 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

  • Traditional

  • Prairie

View Grilles

Learn about all Pella Grille Options

Hardware Pella 450 Series Fixed Frame Window

Hardware is not used on fixed frame windows.

Screens Pella 450 Series Fixed Frame Window

Screens are not used on fixed frame windows.

Case Studies & Projects
For Pella® 450 Series Fixed Frame Window
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