As a general rule, double pane windows can withstand up to twice the wind pressure of their single pane counterparts. This means that a double pane window with a DP15 rating can withstand winds of up to 77 mph, while a DP50 window can take winds up to 173 mph. Of course, these are just general estimates and your mileage may vary depending on the specific window in question.
In any case, it’s always best to err on the side of caution and take proper precautions to protect your windows (and your home) from high winds.
How much wind can a glass window withstand?
Bob Ziders, an engineer with the National Certified Testing Laboratories, echoed similar thoughts. “Glass can stand [200 mph. winds],” he says. “It’s the debris that causes it to break and that’s the problem.”Nov 15, 2013
Can high winds break windows?
During severe thunderstorms or hurricanes, homes may be damaged or destroyed by high winds. Debris flying through the air can break windows and doors, allowing high winds inside the home. In extreme wind storms, the force of the wind alone can cause weak places in your home to fail.
Can double pane windows withstand a hurricane?
Double pane windows include two pieces of glass with an air gap in between. Advantages include better insulation, noise reduction, and UV control. However, double pane windows are not designed to withstand windborne debris and should be protected just like single pane glass when a hurricane is threatening.
How much wind pressure can a window take?
A basic residential window may have a design pressure of 15 pounds per square foot. That means, under most conditions, the window can be expected to withstand up to 15 pounds of pressure for every square foot of its surface before it breaks.
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