Installing Exterior Window Trim Over Aluminum Siding

Aluminum windows are usually installed by attaching them through a flange to the wall framing and then the flange is covered with the siding.

Installing exterior window trim over aluminum siding.

On this particular job the home already had aluminum siding. Cut the horizontal piece to size and snap it in place over the vertical moldings. Typically aluminum is not used anymore to reside residential homes so the siding needed to be special ordered. To reach the flange you need to remove the aluminum.

The rain screen battens are run down to the top of the window flange. These will be easy to trim to exactly the right length at the end. Instruction on how to install exterior 2x4 trim around a new or old window. Add the corner posts.

At each corner suspend the. Once the old siding has been removed clean the exterior walls thoroughly removing any old paint. And that s how we got our exterior ready for some siding. If the trim is being applied over the hardi panels.

And my dad notched the front door trim around the new threshold so it would run all the way down to the porch floor. Foam board is the most commonly recommended underlayment application for aluminum siding. The client had a tight budget and just wanted to patch in new siding to match the existing 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. Slide the new window frame into place. The cement board panels are fastened to the battens. The wrb is lapped over the head flashing or the flashing is taped.

How to install windows on a home with aluminum siding removal of old window. The head flashing is installed in a bed of caulking onto the top of the window frame.