How To Install A Bow Window
How To Install A Bow Window. Including labor costs, the national average cost of a single bow window is $2,250.00. Since bow windows distend from the house wall, you’ll probably need to create and install a roof cap for the bow window.

Mark centerline on unit number of window units will determine centerline placement on bow unit. Apply a bead of silicone caulk to the wall around the window opening, and make sure the nailing flange on the window will cover the caulk when the window is installed, creating a weather tight seal. Cut off flush with side jamb.




