Caulking even the smallest of gaps will prevent water leakage, which prolongs Salt Lake window life. Regular, simple window maintenance saves you money on utilities and prolongs the life of your windows. Keeping them from needing window replacement. Aluminum windows and Vinyl windows don?t deteriorate like wood, but require regular cleaning. Replace weatherstripping when it is dirty and worn. They come in a variety of material vinyl, metal, felt, and open-cell foam. Every 2 or 3 years, repaint your window frames. This is one of the best ways protect and preserve your windows. (Water based acrylic paints won?t peel.)