The proof about why wooden sash windows will last longer than modern plastic sash windows is in the older homes. There are houses that are one hundred and fifty years old and older than still have the original wooden sash windows.
In the opinion of many, sash windows are an intrinsic feature of ‘period’ homes and should be saved at all costs. Well, maybe not ALL costs, but definitely worth the time and trouble to repair rather than replace. Some repairs are easy enough to do yourself so here’s a little about how sash windows work.