Angled bay units built and flashed correctly so the projection stays dry and square for good.
A bay window is three units set at an angle so the wall projects outward, which adds floor space, light from three directions and usually a window seat. The install matters more than the window here: the head and sill flashing and the support below the projection are what keep it dry and square.
We build the framing, insulate the roof and floor of the projection, and finish the interior trim, all with our own crews.
More light and floor space than a flat replacement.
The roof and floor of the projection are built and insulated, not just wrapped.
Our own carpenters handle the trim and seat.
Head and sill flashing done right, which is where most bay windows fail.
Black Bay Window
Bay Window Brick Home
Bay Window Installation
Bay window, install in progress
Bay window with seat, Pella Lifestyle Wood Window
Bay window, before
Bay window, after
Bay window, interior view
James Hardie Elite Preferred Remodeler
Pella Platinum Elite Certified Contractor
Chicagoland Builders offers project financing through Synchrony, with promotional plans available on qualifying windows, siding, additions, and remodeling projects.
No surprises, no vanishing subcontractors — just a clear plan and a team that shows up.
Licensed in the City of Chicago for 17 years, and fully bonded and insured across every municipality we build in.
A detailed estimate before we break ground — no change-order surprises.
Our own carpentry and finish crews, not a rotating cast of subs.
We know the permitting offices, the weather, and the neighborhoods.
Tell us about your project — we'll follow up with a straightforward estimate, no obligation.