What’s the Difference Between Impact Windows and Hurricane Windows?​

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  • Impact windows and hurricane windows both protect your home in high winds, but impact windows also stand up better to flying debris.

  • Hurricane windows use thinner laminated safety glass, while impact windows use thicker, layered glass designed to resist breaking under impact.

  • Your best choice depends on your storm risk, the chance of debris hits, and whether your frames can fit thicker glass.

  • Hiring a local window professional keeps your installation secure and on schedule, handling heavy materials and ensuring proper frame compatibility for your impact or hurricane windows.

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You’ve seen it in countless disaster movies: high winds so extreme they shatter windows or send an Adirondack chair hurtling through the air, smashing glass on impact. These situations are dramatized in the theater, but they’re rooted in reality—just ask anyone who lives in hurricane country. If you live in a region with extreme weather, upgrading to impact or hurricane windows can make a significant difference in protecting your home. Rather than fretting about potential damage from the next storm, research the differences between impact and hurricane windows and pick the best one for your home.

What Are the Differences Between Impact Windows and Hurricane Windows?

Closed hurricane windows
Photo: krblokhin / iStock / Getty Images Plus / Getty Images

High winds are no match for either impact or hurricane windows—but what about flying objects? Learn why—if you’re worried about tree branches, lawn furniture, or other objects crashing into your home—you might choose impact windows over hurricane windows.

Type of DifferenceHurricane WindowsImpact Windows
MaterialLaminated safety glassTempered, impact-resistant glass
Intended forSevere weatherSome severe weather and direct impact
Pane sizeThinner panesThicker panes

Impact Windows vs. Hurricane Windows: Key Differences

Professionals installing an impact window
Photo: ferrantraite / E+ / Getty Images

Both impact and hurricane windows are great choices if you live somewhere with extreme weather, but it’s important to know the nuanced differences between the two so you can determine which is best for you—and which will make you feel more secure, should a natural disaster strike.

Material

The main difference between impact windows and hurricane windows is the material they are made from. Impact windows are manufactured with multiple layers of PET laminated glass and PVB between thick panes. The windows are therefore heavier and thicker than hurricane windows, which are made with laminated PVB. The extra thickness and layering of impact windows prevent them from shattering when something flies into them, while the lightness and flexibility of hurricane windows allows them to bend slightly with high winds with a lower chance of breaking.

Durability

Hurricane windows are designed to withstand high winds, such as that from a hurricane, but are not thick enough to remain solid and secure after a heavy impact. Impact windows, as their name suggests, are made from thicker, sturdier panes and materials, able to withstand a blow from something as large as a patio chair.

Insulation

While both styles of windows will increase your home’s energy efficiency, impact windows insulate better due to their multiple, thick panes and layers.

Installation

Both hurricane and impact windows are made from heavy glass and will require professional installation. With impact windows, the installation might create an additional cost: you might find that you need to invest in thicker window frames to accompany the thicker window. 

Cost

Both hurricane windows and impact windows are more expensive than traditional windows, given the additional materials needed to manufacture them. Impact windows tend to be the costliest of the options, though the final price will depend on your window’s size and shape if you need to replace any frames and the frame material. 

Frequently Asked Questions

Impact windows have several disadvantages. They are expensive, typically costing 20% to 40% more than standard windows. Due to their weight and unwieldy nature, they require professional installation by a window pro with specific experience. The thicker panes and layers of material can also lead to limited visibility. Additionally, customization options may be limited without a significant budget increase, and their design can restrict airflow compared to typical windows, potentially causing ventilation problems.

Impact windows can last between 10 and 40 years, depending on how much wear and tear they receive. This is roughly within the range for standard windows; standard windows tend to last between 15 and 50 years. You can extend your windows’ lifespans by performing regular maintenance on them and ensuring they are installed correctly.

It depends on the insurance company policy, but many companies will offer a discounted rate if you install impact or hurricane windows as they reduce the chance of damage to your home. If you are interested in this perk, make sure to discuss it with your insurance company, as they will likely need your windows to meet certain standards, such as those set by the American Society for Testing and Materials.

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