Look for a horizontal seam between two courses of vinyl siding.
How to remove vinyl siding around windows.
I would think that the best method would be to remove the whole window peel back the siding and replace it with the same size window with a nailing flange with either the built in channel or j it out.
Slide the tool to the side and it will unzip the seam.
Pull the piece of vinyl siding downward to disengage it from the course below it.
Then slide the zip tool under the butt edge of the strip above the one you want to remove.
You ll hook the edge that is locked to the lower damaged strip.
Avoid closing the snips entirely to create a smoother cut.
Sometimes there are little pieces of wood between the window and the wooden studs that hold the window tight.
Insert the siding removal tool where the panels overlap and pull down and out.
If the siding is hard to remove try tapping it with the palm of your hand.
Tin snips are used much like scissors.
Use a hammer or a drill to take out any nails or screws that are holding the window in place.
The current windows are builders grade new construction vinyl windows with the nailing flange and built in channel.
If it remains stuck double check to see if.
A unlock siding using a zip tool.
If the piece still seems attached to the wall gently pull it outward so it comes free of the channel holding it in.