manhattan42 wrote:


It is not necessary to remove the siding in order to install a
replacement window.

You can simply remove the existing sash, then carefully pry out the
existing aluminum nailing fin out from under the existing sidings.

The new replacement window will be installed in the existing rough
opening and sealed with caulk alone on the exterior where the window
but against the abck of the existing siding.


Make sure you use a good quality caulk like polyureathane $5/tube