If possible you can simply remount the.
Installing exterior window trim over aluminum siding.
Cut the horizontal piece to size and snap it in place over the vertical moldings.
This will help control water flow and prevent leakage.
The rain screen battens are run down to the top of the window flange.
The head flashing is installed in a bed of caulking onto the top of the window frame.
Install the siding around the window.
The client had a tight budget and just wanted to patch in new siding to match the existing siding.
On this particular job the home already had aluminum siding.
Nail it at 12 inch 30 48cm increments.
Before you replace the siding cut and install new j channels to prevent water from leaking into your home.
Install the trim so that it buts up against the tops and sides of the doors and surrounds each window frame.
Instruction on how to install exterior 2x4 trim around a new or old window.
If the trim is being applied over the hardi panels.
When installing the trim at the windows start at the bottom then move to the sides and install the top portion last.
After you have placed the flashing and waterproofing you will need to butt the siding up to the edges of the window.