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Product Knowledge

How do hurricane impact windows protect against strong winds and debris?

Impact-Resistant Glass:

Laminated Glass: These windows typically consist of two layers of glass with a tough, clear interlayer of polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA) sandwiched between them. This interlayer holds the glass together even when it breaks, preventing shattering and reducing the risk of injury and further damage.
Tempered Glass: Some impact windows also use tempered glass, which is stronger than regular glass and breaks into small, less harmful pieces when shattered.
Reinforced Frames:

Strong Materials: The frames of hurricane impact windows are made from robust materials such as heavy-duty aluminum, vinyl, or steel, which can withstand high wind pressures without warping or breaking.
Secure Fastening: These frames are securely fastened to the structure of the building with heavy-duty screws and anchors, ensuring they remain in place even under extreme conditions.
Design and Engineering:

Pressure and Impact Testing: Hurricane windows are rigorously tested to meet specific building codes and standards, such as the Miami-Dade County hurricane impact test. This involves subjecting the windows to simulated wind pressures and impacts from flying debris to ensure they can withstand real-life hurricane conditions.
Wind Load Resistance: The design of the window, including the thickness of the glass and the strength of the frame, is optimized to resist the wind loads typically encountered during hurricanes.
Multi-Layer Construction:

Multiple Layers of Protection: The combination of multiple layers of glass and the interlayer material provides redundancy, ensuring that even if one layer fails, the window as a whole remains intact and continues to provide protection.
Sealant and Installation:

Water and Air Sealing: Impact windows are installed with high-quality sealants that prevent water and air infiltration, which is crucial for maintaining the structural integrity of the building during a hurricane.

What are some common misconceptions about hurricane impact windows?

Impact Windows Are Shatter-Proof:

Reality: While impact windows are designed to withstand significant force, they are not completely shatter-proof. They may crack or shatter upon impact, but the interlayer holds the glass together, preventing it from breaking apart and maintaining the protective barrier.
Only Necessary for Coastal Areas:

Reality: While coastal areas are more frequently hit by hurricanes, inland regions can also experience severe wind and debris impacts from hurricanes and strong storms. Impact windows can provide critical protection in these areas as well.
No Need for Other Protective Measures:

Reality: Some people believe that having impact windows eliminates the need for other protective measures like shutters or boarding up windows. While impact windows offer significant protection, additional measures can provide extra security during extremely severe storms.
They Are Too Expensive:

Reality: While impact windows are more expensive than standard windows, they are a long-term investment that can reduce insurance premiums, increase property value, and provide peace of mind during storms. Additionally, they can improve energy efficiency, resulting in long-term savings on energy bills.
Difficult to Install and Replace:

Reality: Professional installation of impact windows is straightforward and comparable to standard window installation. Replacing damaged impact windows is also manageable, though it should be done by professionals to ensure proper performance.
They Only Protect Against Wind:

Reality: Impact windows protect against more than just wind. They also prevent damage from flying debris, reduce the risk of water infiltration, and provide additional security against break-ins.
All Impact Windows Are the Same:

Reality: There are various types and qualities of impact windows. It’s essential to choose windows that meet stringent building codes and standards specific to hurricane protection, such as the Miami-Dade County standards.
They Look Different from Standard Windows:

Reality: Modern impact windows are designed to look like standard windows. They come in various styles, colors, and finishes, allowing homeowners to maintain or enhance the aesthetic appeal of their homes.
Reduces the Amount of Light Entering the Home:

Reality: Hurricane impact windows are designed to allow as much natural light as standard windows. The laminated glass layers do not significantly reduce light transmission.
They Are Only Useful During Hurricanes:

Reality: Besides hurricane protection, impact windows provide year-round benefits such as enhanced security, noise reduction, UV protection, and improved energy efficiency.