Goods with impact-resistant glass are rated for their ability to resist wind speeds in numerous, predetermined wind particles zones called Impact Zones, or IZ for short. On the lookout to put in your new replacement windows on your own? Learn how to set up a window and get critical recommendations http://www.mccunecoop.com/markets/stocks.php?article=getnews-2025-4-16-high-performance-impact-windows-built-to-meet-florida-building-code-standards