I'm trying to re-trim a corner window in the kitchen. I'm not familiar with window terminology, so my apologies in advance.
It's a double paned window set into an aluminum frame. I've owned the house for about three years and the house was built in 1941. Wish I knew the history of the window (retrofit?), but alas, I don't. The previous owners / installers used Trimquick flat vinyl trim to cover the gap between the vinyl window and the wooden jambs. This leaves a void around the aluminum frame.
Is this a normal best practice when retrofitting with a new double-paned window?
Could I use expanding foam to fill the void between the window and jamb (that the Trimquick flat vinyl covers)? (Mostly to address potential air-draft leakage)
Thanks in advance.