Bay and Bow Windows

Open Up the Room Without Tearing Down Walls

ABC Seamless of Janesville installs bay and bow windows that extend out from the wall, creating usable space inside and adding definition outside. These units are often used in front-facing rooms that feel flat or closed in, places where more depth and daylight can change how the whole space feels.

Bay windows use three angled units. Bow windows use four or more in a gradual curve. Both can use fixed and operable windows, depending on how you use the space.

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How Bay & Bow Windows Work in Your Home

Bay and bow windows create usable space without altering the structure of the house. Inside, that extra depth can be used for a bench, plants, or just to give the room more breathing room. Outside, they change the profile of the house, often for the better. We’ve installed them in living rooms, dining areas, breakfast nooks, and even bedrooms that feel too tight or boxy.

They can also help with airflow. We can include venting units on the sides while keeping the center fixed for a clear view. Every unit will match your opening, so it sits clean and holds up over time.

What You’re Actually Getting

These windows need framing support, meaning the base has to be level and solid, the headboard has to tie into the structure, and the projection has to be sealed against weather. We take care of all of it:

13 Standard Colors plus unlimited Custom Colors Available! (Also now available in Black Foil)
A lifetime, non-pro-rated warranty is the best available and is transferable to a second property owner.
Warranty includes lifetime glass breakage!
Fusion-welded frame and sash provide superior air tightness, thermal resistance, noise reduction, and strength.
Target’s Warm Edge insulating glass system ensures the ultimate thermal efficiency.
Full 1″ insulated glass with Triple silver 366 LowE w/argon is standard. Optional glazing, such as high-performance, obscure, tinted, or tempered, is also available.
Triple glazing ultra-high performance glass packages are also available.
“Neat” Coating on the exterior of glass to help keep your windows cleaner

Why People Install Bay & Bow Windows

Most homeowners choose bay or bow windows because they want one or more of the following:

More natural light in main living spaces
Extra depth without moving an exterior wall
Better views without stepping outside
A spot for seating, storage, or design balance
A way to break up long flat walls from the inside and out

How We Handle These Jobs

Bay and bow windows take more planning than most people expect. It’s not just cutting a bigger hole in the wall. The framing has to support the projection, the angles need to line up cleanly inside and out, and the whole unit has to be sealed against movement, moisture, and time. We’ve worked on enough homes to know how easily these can go wrong when rushed or installed without proper prep.

Every detail has to be right the first time: the frame, the pitch, the fit, and the finish. We check all of it before the window goes in, so there’s nothing to fix later.

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We have windows in every style to suit your needs!

Double or Single Hung Windows
Slider Windows
Casement Windows
Awning Windows
Bow Windows
Garden Windows
Bay Windows