400 Series specialty windows are stationary and designed to be used alone to maximize a view or combined with venting windows to create large combinations. Made of wood protected by a vinyl exterior, 400 Series specialty windows are available in a variety of shapes and sizes.
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Our best-selling specialty windows
Durable and time-tested
Exteriors won't peel, blister, flake or corrode.
It's built into every window. We have options to help you meet the performance level you need.
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 offers permanent grilles on the exterior and and a choice of permanent or removable wood interior grilles, with no spacer between the glass.
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 are suspended between the panes of glass, allowing you to easily clean both the inside and outside of your windows and doors.
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
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SmartSun™ |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
SmartSun with HeatLock™ Coating |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
Low-E4® |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
Low-E4 with HeatLock™ Coating |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
PassiveSun® |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
Sun |
U- FACTORHow well a product prevents heat from escaping. |
SOLAR HEAT GAIN COEFFICIENTHow well a product blocks heat caused by sunlight. |
VISIBLE LIGHT TRANSMITTANCEHow much visible light comes through a product. |
UV PROTECTIONHow well a product blocks ultraviolet rays. |
Safety Glass
Tempered safety glass is available on all products, and comes standard on all patio doors.
Laminated Glass
Laminated glass is also available, for added strength, enhanced security and sound control.
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.
View Standard Sizes
View Custom Sizes
Available in Colonial (2 ¼”, 2 ½” or 3 ½”) or Ranch (2 ¼” or 2 ½”) styles. Arch casings come with transition blocks or plinth blocks, depending on the product. For easy integration and consistency, casing dimensions are consistent with Wood Moulding and Millwork Producers Association specifications. Available in pine, oak and maple.
For enhancing casing transitions. Decorated with a radial sunburst, or use the reverse side flush face.
Use 2 7/8" plinth block with 2 ¼” and 2 ½” casing. Use 3 7/8" plinth block with 3 ½” casing.
Excellent for creating unique trim designs or accents at arch casing transitions. A key block is an option for circle and oval windows.
Two transition blocks come with the interior arch casing extension jambs, providing a beautiful accent for circle and oval windows.
Available with Stormwatch® protection for coastal applications. For more information, contact your Andersen supplier.Products: 400 Series Specialty Arch Window, 400 Series Casement Windows, 400 Series Awning Windows
Exterior: Canvas
Options: Colonial Grilles
Products: 400 Series Specialty Windows
Interior: White
Products: 400 Series Specialty Window, 400 Series Casement Windows, 400 Series Picture Windows
Interior: Black
Products: 400 Series Specialty Window
Products: 400 Series Specialty Window, 400 Series Casement Windows, 400 Series Picture Windows, 400 Series Picture Windows
Exterior: Black
Products: 400 Series Specialty Window, 400 Series Casement Windows, 400 Series Picture Windows, 400 Series Picture Windows
Interior: White
Products: 400 Series Specialty Arch Windows
Interior Color: Prefinished White Interiors
Products: 400 Series Arch Specialty Windows
Options: Colonial Grilles
Products: 400 Series Frenchwood Hinged Patio Doors (Inswing), 400 Series Arch Specialty Windows
Options: Custom Grilles
Products: 400 Series Specialty Windows
Products: 400 Series Frenchwood Hinged Patio Doors (Inswing), 400 Series Arch Specialty Windows
Products: 400 Series Casement Windows, 400 Series 10 Degree Bow Window, 400 Series Specialty Windows
Options: Custom Grilles
Products: 400 Series Casement Windows, 400 Series Arch Specialty Windows
Color: White
Hardware: Classic Series
Options: Custom Grilles
Products: 400 Series Specialty Arch Window, 400 Series Frenchwood Hinged Inswing Patio Door
Exterior Color: Sandtone Exterior
Hardware: Encino Hardware in Distressed Bronze Finish
Options: Colonial Grille Pattern
Products: 400 Series Specialty Arch Windows
Interior Color: Pre-Finished White Interior
Products: 400 Series Frenchwood Hinged Patio Doors (Inswing), 400 Series Arch Specialty Windows
Exterior Color: Terratone
Products: 400 Series Circle Specialty Window
Interior Color: White
Options: Art Glass, Classic Series - Regency Design
Products: 400 Series Circle Top Specialty Window, 400 Series Double-Hung Picture Window
Options: Colonial Grilles
Products: 400 Series Oval Specialty Window
Options: Custom Grilles
Products: 400 Series Specialty, Tilt-Wash Double-Hung and Casement Windows
Browse our extensive technical library for performance ratings, installation guides, operation instructions and care and maintenance guides.
We believe so strongly in our products that we still offer parts for some windows and doors built decades ago.
Learn about ENERGY STAR® and certification requirements where you live.
