In Southern California, your windows and patio doors are the frontline defense against the relentless sun and shifting Santa Ana winds. But even high-performance vinyl needs consistent care to maintain its integrity. From stopping the "thermal bleed" in the Inland Empire to ensuring a "silent glide" on your patio tracks, our guide shows you how to protect your investment. Learn the pro tips for cleaning, lubrication, and preserving your home’s thermal envelope for years to co