Installing Exterior Window Trim Over Aluminum Siding

Prepare the area for installation of the new window.

Installing exterior window trim over aluminum siding.

Cut the horizontal piece to size and snap it in place over the vertical moldings. Once the old siding has been removed clean the exterior walls thoroughly removing any old paint. Typically aluminum is not used anymore to reside residential homes so the siding needed to be special ordered. To remove the old window you will first need.

The rain screen battens are run down to the top of the window flange. That one long straight line of trim made the siding install super easy. How to install windows on a home with aluminum siding removal of old window. Foam board is the most commonly recommended underlayment application for aluminum siding.

The wrb is lapped over the head flashing or the flashing is taped. You can use shims if necessary to level and plumb the. Slide the new window frame into place. The head flashing is installed in a bed of caulking onto the top of the window frame.

On this particular job the home already had aluminum siding. And that s how we got our exterior ready for some siding. If the trim is being applied over the hardi panels. Aluminum windows are usually installed by attaching them through a flange to the wall framing and then the flange is covered with the siding.

At each corner suspend the. Before you replace the siding cut and install new j channels to prevent water from leaking into your home. And my dad notched the front door trim around the new threshold so it would run all the way down to the porch floor. The cement board panels are fastened to the battens.

To reach the flange you need to remove the aluminum. Instruction on how to install exterior 2x4 trim around a new or old window.