This cheap metal frame single hung window has had this plywood (now rotted to the point you can poke your finger through it) in it since I bought this house. I need to re-route the dryer vent since it blows directly onto the outside a/c, and this window seems like the obvious choice. Also, good reason to get rid of the old 1/4" plywood before a strong wind does it for me. I'm thinking if I can get a piece of plexiglass in there I can moung a dryer vent right in the middle, and we'll even have a little more light in the garage. My problem is I have no idea how replacement of a piece of glass works with this kind of window. There's no glazing or putty, just a channell someone dropped the plywood into. Looks like the top should just tap out and remove, so you can put a new piece of whatever in and then tap the top back on, but I just don't see anywhere obvious to do that. Getting this old plyood out is not the problem, it's so rotten I could just pull it apart with my hands. Getting a new piece of some material back in is the problem. I'd appreciate advice frome anyone familiar with this type of frame.
Clearly, I also need help uploading jpegs. My picture won't upload. Meets all the requirements. Going back to bed.