New hopper window for glass block window
I'm in the planning stages of restoring the bathroom in my 1950's ranch. Because I'm attempting a restore and not a gut/replace, I'd like to preserve the glass block window. It's a 4x5 block window made up of nominal 8"x8" argus blocks. The square hopper window in the center takes up the space of 4 blocks (2x2).
The hopper window is the original all-aluminum frame with a thick pane of obscure glass. The hopper opens into the room and has a screen on the outside.
I'm thinking about having the hopper window replaced with a vinyl hopper window with double pane thermal glass to reduce heat loss.
Is there any particular brand of window I should be looking for? Any issues I should consider or watch out for?