Replacing old aluminum window

5 years ago

Hey everyone,

Im looking to replace an old aluminum window (shown in pictures) and want to use a vinyl retrofit window.

Whats the best way to do so in my case? Should I cutback the aluminum or remove the old aluminum window altogether?

I pulled back an interior aluminum trim and there seems to be a 1/2” piece of wood between the window and wall as shown in pictures. Also, the exterior window frame is about 3” on the left and right side so a typical vinyl retrofits flanges arent wide enough to cover if I were to install a retro window inside the current aluminum.

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Comments (4)

PRO
toddinmn
5 years ago
I would pull it all.
Mary Monroe
Original Author
5 years ago
If i pull it all out can I still put in a retrofit window with a flush fin or will I now need a new construction window with 1-3/8 nail fin?
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PRO
Windows on Washington Ltd
5 years ago
You can still do a retrofit window, but you need to get all your moisture management details and tie back into the siding correct.
PRO
toddinmn
5 years ago
A flush fin , insert, and nail finned window are different and used in different applications. the nail finned and flush window will sit at a predetermined depth in the wall, an insert can be moved around some but I would not want the frame to break the sheathing plane. I would go with a nail finned window or insert in this case . you could order a window with a nail fin and cut it off and use as an i sert if it does not work..