Design Pressure Rating Windows for Gulf Coast Homes Explained
How To Read A Window's Design Pressure Rating Design pressure ratings measure how well a window can stand up to wind load, which is exactly why they matter so much in coastal Florida. That number is not a marketing label. It comes from test conditions that check how the frame, glass, sash, and hardware behave under positive and negative pressure. On the Gulf Coast, that distinction matters. Homes near open water face stronger gusts, fast pressure changes, and debri