My old wood frame house was covered with aluminum siding and the siding goes all the way up to the windows.
How to wrap aluminum around windows with existing siding.
Secure barricade firmly in place over the entire wall including the window and door openings by fastening the wrap every 12 18 inches along the vertical studs using large headed or plastic cap nails or minimum 1 inch crown staples.
To reach the flange you need to remove the aluminum.
Apply a bead of caulk to the felt and set the window in the caulk.
Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.
Install the trim just under the drip cap.
There isn t really any trim around the windows just a small aluminum strip.
At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.
Instruction on how to install exterior 2x4 trim around a new or old window.
See below for a shopping list and tools subscribe t.
Adding window trim with this old house host kevin o connor and vinyl siding installer richard scalzi.
Next comes another layer of building wrap installed like the first layer.
Adding window trim over existing aluminum siding.