Replacing aluminum windows with vinyl retrofit windows or replacement style windows
In previous articles, I explained to you how to determine whether your windows are candidates for vinyl replacement style frames or retrofit style frames. This week I’m going to explain the installation techniques for both frame styles. Let’s start with the retrofit frame.
Retrofit window installation is really the easiest of all. The retrofit window already comes with an exterior trim attached. That’s the flush fin that goes against the outside surface, usually stucco. Prepare the window by drilling 3/8″ holes in the areas of the frame where you want to screw it in place. Normally, there will be 3 holes on each side and 3 more across the top. Don’t predrill any holes in the bottom track. After removing the old panels, you want to run a heavy bead of caulk on the face of the old aluminum frame that you left in place. Then you and a helper set the bottom of the vinyl window onto the old aluminum bottom track and raise it into position. The flush fin or retrofit lip will act as a “stop” to hold the window in place. Have your helper hold the...