How To Wrap Aluminum Around Windows With Existing 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.

How to wrap aluminum around windows with existing siding. To reach the flange you need to remove the aluminum. At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap. Adding window trim with this old house host kevin o connor and vinyl siding installer richard scalzi. Ensure that the flashing along the bottom of the window overlaps the nailing hem of the last complete course of siding beneath the window.

Secure barricade firmly in place over the entire wall including the window and door openings by fastening the wrap every 12 18 inches along the vertical studs using large headed or plastic cap nails or minimum 1 inch crown staples. Apply all layers of wrap shingle style where the top layers of a surface overlap the bottom layers. Adding window trim over existing aluminum siding. See below for a shopping list and tools subscribe t.

Next comes another layer of building wrap installed like the first layer. There isn t really any trim around the windows just a small aluminum strip. Install the trim just under the drip cap. My old wood frame house was covered with aluminum siding and the siding goes all the way up to the windows.