Installing Exterior Window Trim Over Aluminum Siding

Once the old siding has been removed clean the exterior walls thoroughly removing any old paint.

Installing exterior window trim over aluminum siding.

At each corner suspend the. The rain screen battens are run down to the top of the window flange. Add the corner posts. Foam board is the most commonly recommended underlayment application for aluminum siding.

To reach the flange you need to remove the aluminum. And my dad notched the front door trim around the new threshold so it would run all the way down to the porch floor. How to install windows on a home with aluminum siding removal of old window. Instruction on how to install exterior 2x4 trim around a new or old window.

Prepare the area for installation of the new window. To remove the old window you will first need. These will be easy to trim to exactly the right length at the end. The head flashing is installed in a bed of caulking onto the top of the window frame.

Slide the new window frame into place. On this particular job the home already had aluminum siding. Typically aluminum is not used anymore to reside residential homes so the siding needed to be special ordered. And that s how we got our exterior ready for some siding.

Before you replace the siding cut and install new j channels to prevent water from leaking into your home. You can use shims if necessary to level and plumb the. The cement board panels are fastened to the battens. The wrb is lapped over the head flashing or the flashing is taped.

If the trim is being applied over the hardi panels. That one long straight line of trim made the siding install super easy.