On this particular job the home already had aluminum siding.
Installing exterior window trim over aluminum siding.
Before you replace the siding cut and install new j channels to prevent water from leaking into your home.
The wrb is lapped over the head flashing or the flashing is taped.
The rain screen battens are run down to the top of the window flange.
The cement board panels are fastened to the battens.
Typically aluminum is not used anymore to reside residential homes so the siding needed to be special ordered.
Install the siding around the window.
When installing the trim at the windows start at the bottom then move to the sides and install the top portion last.
Install the trim so that it buts up against the tops and sides of the doors and surrounds each window frame.
This will help control water flow and prevent leakage.
Cut the horizontal piece to size and snap it in place over the vertical moldings.
The client had a tight budget and just wanted to patch in new siding to match the existing siding.
If possible you can simply remount the.
Instruction on how to install exterior 2x4 trim around a new or old window.
After you have placed the flashing and waterproofing you will need to butt the siding up to the edges of the window.