Why Do Some Impact Windows Rattle or Whistle After Installation in Boca Raton?

Strange noises coming from brand-new impact windows can be alarming, but they're almost never a sign of a serious structural problem. If your recently installed impact windows are rattling or whistling in the Boca Raton breeze, the cause is usually something straightforward — and absolutely fixable under a standard labor warranty. Three common installation issues explain nearly every post-install noise complaint. First, improper shimming during frame placement can cause the window frame to flex against surrounding structure when wind pressure builds, creating a vibration — even a 15 mph coastal breeze is enough to trigger it. Second, a glazing bead that wasn't fully snapped into position allows the heavy laminated glass unit to shift slightly, producing a low-frequency hum, a problem especially common on larger picture windows and wide sliding panels. Third, whistling almost always traces back to a weatherstripping gap — a thin opening between the sash and frame that lets air pass through at speed, generating that familiar tone. Adjusting latch hardware or replacing the strip typically resolves it in one visit. For Boca Raton homeowners and business owners, these issues carry extra weight. South Florida's persistent wind exposure means even a minor installation gap gets tested daily, and a window that rattles or whistles is a window with a compromised seal — potentially affecting both energy efficiency and long-term water intrusion protection. Understanding what's causing the noise helps you communicate clearly with your contractor and ensure the warranty service you're entitled to gets scheduled promptly. Read the full article: https://stswindows.com/paa/why-do-impact-windows-rattle-or-whistle-after-installation/ Watch on YouTube: https://youtu.be/742mznzOBD8 — — — STS Impact Windows & Doors. 1000 Holland Dr #10, Boca Raton, FL 33487, USA Phone: +1 561-600-1018 Google Business Profile: https://www.google.com/maps/place/?q=place_id:ChIJyz7wyzjf2IgRdJpCo0RWwK4 Website: https://windows.com #ImpactWindows #BocaRaton #WindowInstallation #SouthFloridaHomes #STSWindows