Framing bay windows properly is important for the success of the installation. If a current window exists in its place, be sure to remove the window and frame from the wall. You may need tool such as a pry bar and hammer. Measurement is key, and may require cutting through the wall studs. 2x4s are then used to frame the new opening. http://www.ehow.com/how_4987683_add-bay-window.html
