Preserving a stucco finish greatly depends on the kind of windows you already have installed.
Full frame window replacement in stucco.
Full frame replacement in stucco walls for flush flange windows the existing window or door is cut out of the opening or collapsed.
Trim casing or sill.
With wood windows there is no nail fin and the stucco usually ends at the edge of the existing brickmould.
But the process we recommend includes removing the stucco from around the perimeter of the window about 6 inches to 8 inches on all four sides.
The biggest mistake you can make is to use a circular saw to cut out the stucco.
In order to remove these windows properly it is often necessary to break the stucco off a couple of inches in order to expose the fasteners.
He is carefulnot to damage the building paper beneath.
This needs to be done rather surgically as we want to.
He then bends back the lath in preparation for removing the window.
You would like to change the size or shape of your window.
In stucco homes with aluminum windows it is often necessary to cut away the original flange to preserve the stucco.
A new flush flange window or door can be installed against the existing stucco covering the water management liner.
If not done correctly patched stucco can expand and contract at a different rate than existing stucco potentially causing cracks over time.
The window is out of square.
Basic steps to remove the old window.
Beating the stucco around the window until it falls out of the lath.
Full frame replacement windows are the best option for you if one of these statements apply.
There is rot in the window frame.
The opening is sealed and flashed using a patent pending water management liner.
For one thing the patch is more likely.