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When it comes to protecting your home from hurricanes, there are many options available. One of the most effective and popular choices is hurricane impact windows. These windows are designed to withstand the strong winds and flying debris that come with hurricanes, keeping your home and family safe. But what makes these windows so effective? In this article, we’ll dive into the science behind hurricane impact windows and why they are the best choice for hurricane protection.
Before we get into the science behind hurricane impact windows, let’s first define what they are. Hurricane impact windows, also known as impact-resistant windows, are windows that are specially designed and tested to withstand the impact of flying debris and strong winds. They are made with multiple layers of glass and a strong interlayer, usually made of polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA), which holds the glass together even when it shatters.
The key to the effectiveness of hurricane impact windows is the interlayer. When a hurricane or strong storm hits, the windows may crack or shatter, but the interlayer holds the glass together, preventing it from breaking apart and creating a hole in your home. This not only protects your home from the elements but also prevents potential injuries from flying glass.
The multiple layers of glass also play a role in the windows’ effectiveness. The outer layer of glass may crack or break, but the inner layers will remain intact, providing an extra layer of protection.
Now that we understand the basics of how hurricane impact windows work, let’s dive into the science behind them. There are three main factors that make these windows so effective: impact resistance, wind resistance, and water resistance.
The interlayer in hurricane impact windows is what gives them their impact resistance. This interlayer is made of a strong, flexible material that is able to absorb the energy from an impact and distribute it evenly across the entire window. This prevents the glass from breaking and keeps the window intact.
To test the impact resistance of hurricane impact windows, they are subjected to a series of tests, including the large missile impact test and the small missile impact test. These tests simulate the impact of flying debris, such as tree branches or roof tiles, at high speeds. The windows must pass these tests to be certified as hurricane impact windows.
In addition to impact resistance, hurricane impact windows are also designed to withstand strong winds. The multiple layers of glass and the interlayer work together to create a strong barrier against the wind. The interlayer helps to distribute the force of the wind evenly across the window, preventing it from breaking.
To test the wind resistance of hurricane impact windows, they are subjected to a series of tests that simulate different wind speeds. These tests are known as the cyclic pressure test and the uniform static pressure test. The windows must pass these tests to be certified as hurricane impact windows.
Another important aspect of hurricane impact windows is their ability to resist water intrusion. During a hurricane, strong winds and heavy rain can cause water to enter your home through broken windows. Hurricane impact windows are designed to prevent this from happening.
The interlayer in these windows not only holds the glass together but also acts as a barrier against water. It is able to withstand high levels of water pressure, preventing water from entering your home. Additionally, the multiple layers of glass provide an extra layer of protection against water intrusion.
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Now that we understand the science behind hurricane impact windows, let’s take a look at some of the best options on the market. The following are some of the top-rated hurricane impact windows, based on their impact resistance, wind resistance, and water resistance.
PGT WinGuard impact-resistant windows are some of the most popular and highly rated hurricane impact windows on the market. They are made with laminated glass and a heavy-duty interlayer, making them extremely impact-resistant. They also have a strong frame and are tested to withstand winds up to 200 miles per hour.
Andersen Stormwatch hurricane windows are another top-rated option. They are made with impact-resistant glass and a durable interlayer, and are tested to withstand winds up to 170 miles per hour. They also have a low-E coating, which helps to reduce energy costs.
ESWindows impact-resistant windows are known for their strength and durability. They are made with laminated glass and a strong interlayer, and are tested to withstand winds up to 200 miles per hour. They also have a low-E coating and are Energy Star certified.
When it comes to protecting your home from hurricanes, it’s important to choose the best option. Hurricane impact windows are not only effective, but they also provide added benefits such as energy efficiency and noise reduction. By understanding the science behind these windows and choosing a top-rated option, you can ensure that your home and family are safe during hurricane season.
