Andersen 400 Series Casement Windows


400 Series Casement Windows

Casement windows with bulb weatherstripping and seamless frame cover offer long-lasting protection and premium efficiency.

  • Made in USA
  • Energy Star certified to help you save energy
  • 44 years of Remodeling Excellence

Choose Andersen's best-selling casement window for a classic blend of engineering and craftsmanship. A wide array of options and accessories allow you to customize the window to your design needs.

Casement windows are a great option for ventilation and light. The single sash opens outward for top-to-bottom ventilation and creates unobstructed views when closed. 

  • Wood frame members are treated for long-lasting protection and performance
  • Low-maintenance vinyl exterior protects against water damage and other outside elements
  • Single-actuation lock easily releases all locking points on casement sash
  • Standard sizes up to 3' wide and 6' high. Custom sizes available
  • Owner-2-Owner Warranty

Window Made in the USA

  • Colors
  • Hardware
  • Grilles
  • Glass
  • Screens
  • Trim

Interior Color

  • White
  • Black
  • Dark Bronze
  • Pine

Exterior Color

  • White
  • Canvas
  • Sandtone
  • Terratone
  • Forest Green
  • Dark Bronze
  • Black
  • *Black and Dark Bronze interiors are available only with Black and Dark Bronze exteriors respectively.


Hardware Finishes

  • White
  • Stone
  • Black
  • Bright Brass
  • Oil Rubbed Bronze
  • Satin Nickel

Hardware Styles

  • Traditional Folding Lock & Keeper

    Antique Brass, Black, Bright Brass, Distressed Bronze, Distressed Nickel, Gold Dust, Oil Rubbed Bronze, Satin Nickel, Stone, White 

    *Distressed Bronze finish pictured

  • Contemporary Folding Lock & Keeper

    Black, Bright Brass, Gold Dust, Oil Rubbed Bronze, Satin Nickel, Stone, White

    *Satin Nickel finish pictured

  • Estate Lock & Keeper

    Antique Brass, Bright Brass, Brushed Chrome, Distressed Bronze, Distressed Nickel, Oil Rubbed Bronze, Polished Chrome, Satin Nickel

    *Antique Brass finish pictured

  • Classic Series Lock & Keeper

    Stone, White

    *Stone finish pictured

Additional Hardware Options

  • Compact Operator Handle

    Specially designed for use in situations where blinds or other window treatments interfere with standard operator handle.

    Available in stone & white finishes.

    *White finish pictured

  • Easy-Grip Handle

    Larger knob makes it easier to grip and operate.

    Available in stone & white finishes.

    *Stone finish pictured

  • Metal T-Handle

    Our smallest operator handle, the metal T-handle may make it more difficult for young children (5 and under) to open the window.

  • Operator Spline Cover

    An operator spline cover is an attractive cap that covers the roto operator stud when the handle has been removed to control access or operation of the window. The operator spline cover should not be used on any window designated or intended for emergency escape or rescue. Please consult your local building code official for local egress code requirements.
  • Window Opening Control Device

    A Window Opening Control Device Kit is available, which limits sash travel to less than 4" when the window is first opened. Available in Stone or White.

Grille Types

  • Full Divided Light

    Give your window an authentic look with grilles that are permanently applied to the interior and exterior of your window with an aluminum spacer between the glass.

  • Simulated Divided Light

    Simulated divided light offers permanent grilles on the exterior and a choice of permanent or removable wood interior grilles, with no spacer between the glass.

  • Removable Interior Grille

    Removable interior wood grilles are secured via a fastener or grille clip and can be removed enabling you to easily clean the glass surface.

  • Finelight Grilles Between-the-Glass

    Finelight™ grilles are suspended between the panes of glass, allowing you to easily clean both the inside and outside of your windows and doors.

Grille Patterns

  • Diamond
  • Diamond (Top Sash Only)
  • Prairie
  • Prairie (Top Sash Only)
  • Colonial
  • Colonial (Top Sash Only)
  • Specified Equal Light
  • Custom Patterns


  • Low-E / Low-E4® Glass

    Most people can enjoy optimal energy performance and comfort with Low-E / Low-E4® glass. Low-E glass reflects heat in the summer and helps keep heat inside in the winter, making this a good choice in climates where both heating and cooling costs are a concern.

  • SmartSun™ Glass

    SmartSun™  glass gives you the benefits of Low-E glass, plus it helps shield your home from the sun's heat and filters out 95% of harmful UV rays while letting sunlight shine through.

  • Sun Glass

    Sun glass offers outstanding thermal performance with a subtle tint that blocks out even more heat from the sun.  

  • PassiveSun® Glass

    If you live in a cold climate, PassiveSun® glass allows the sun to heat your home.

  • Dual-Pane Glass

    Clear dual-pane glass, which offers basic thermal performance, is also available on all Andersen products in situations where codes allow its use. See local code official for requirements in your area.

  • HeatLock® Glass

    HeatLock® coating can be added to most of our glass options and reflects heat that likes to escape your home.

Decorative and Specialty Glass

  • Safety Glass
    Tempered safety glass is available on all products, and comes standard on all patio doors.

    Sound-Reducing Glass
    This glass helps reduce the volume of outside noise.  Available with Low-E, SmartSun and HeatLock coatings.

    Art Glass
    Andersen® art glass is available in a wide variety of patterns adding uncommon elegance to any home style.

    Patterned Glass
    Let in light while obscuring vision and adding a unique decorative touch to your home. 

    Andersen patterned glass options: Cascade, Fern, Obscure, Reed

Art Glass

  • Classic Series

    The four styles included in our Classic Series panels represent major architectural design themes from the late 1800's through the 1930's. Their symmetric patterns are available in distinctive color schemes as well as colorless glass, and their caming may be finished with a gold tone, silver tone or antique patina.

  • Artisan Series

    Two designs influenced by 20th century American and European architectural schools feature striking visual patterns that evoke an extraordinary blend of art and nature.

  • Historic Series

  • Conventional Insect Screen

    Conventional insect screens have charcoal powder-coated aluminum screen mesh. Available with frames in White or Stone.

  • TruScene®

    Exclusive Andersen TruScene® insect screens provide over 50% more clarity than our conventional insect screens for a beautiful unobstructed view. They allow more fresh air and sunlight in, while doing a better job of keeping out small insects.

  • Exterior Trim

    Exterior trim adds a finishing touch to your windows or doors and is often essential in achieving authentic architectural style. You can match the color of your windows or doors, or complement them with a different color.

Trim Colors

  • White
  • Canvas
  • Sandtone
  • Terratone
  • Forest Green
  • Dark Bronze
  • Black
  • Cocoa Bean
  • Red Rock
  • Prairie Grass
  • Dove Gray

Trim Styles

  • 2" Brick Mould
  • 3.5" Flat
  • 4.5" Flat

Head Trim Profiles

  • Decorative Drip Cap
  • 2" Cornice
  • 3 5/8" Cornice

WE bought these windows in the summer of 2018. Had them installed and saw a great improvement to the original 40-year-old double pane with storm. The blocked out a lot of radiated heat from the sun. No cold spots felt in the winter.

— Joe & JoAnne, Review from

Product Specs

Brand Andersen
Series 400-Series
Interior Color Pine, White, Dark Bronze, Black
Exterior Color White, Canvas, Sandtone, Terratone, Forest Green, Dark Bronze, Black
Composition Wood, Vinyl
Uniform Sight Lines Yes
Extension Jambs Standard jamb depth is 2 7/8". Extensions jambs are available in unfinished pine or prefinished white. Some sizes may be veneered.
Translucent Film Yes
Construction Type Build, Remodel, Replace
Security Sensors Yes. Verilock sensors are available in five colors. Wireless open/closed sensors are available in four colors.
Custom Sizes Yes. Available in custom sizes to fit most projects, including replacement.
Sizing Measured in 1/8" increments
Minimum Width 17"
Maximum Width 84 5/8"
Minimum Height 24 1/8"
Maximum Height 71 7/8"
Jamb Depth 4 9/16"
Sash Construction Flexible bulb weatherstripping or vinyl closed-cell foam weatherstripping is factory installed on the perimeter of the sash.
Power Operator Available No
Energy Star Certification Yes
NFRC Ratings Yes
WDMA Hallmark Certification Yes
AAMA Certification Yes
Glass Warranty 20 Years
Glass-Breakage Warranty No
Non-Glass Warranty 10 Years
Labor Warranty No
Window Opening Control Device Yes
Stormwatch Protection Available Yes. Available for new construction windows only.

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