If you recently replaced your windows, or you're thinking about it, one of the first questions you probably have is: how long will they actually last? The short answer is 20 to 50 years, depending on the material and how well the windows are installed and maintained. But for Oregon homeowners, that range can shift quickly. Between our wet winters, heavy rainfall across the Willamette Valley, and the wood rot that follows moisture infiltration, windows here face more wear than