How Therma-Tru Doors Keep Water Out

Categories // Impact Resistant Doors

Water Infiltration Tested Impact Doors

Much like the three little pigs, Floridians spend their time and resources protecting their home from the big, bad storms.  But with all of the concern over the huffing and puffing of the wind, many homeowners don’t stop to think about how they will protect their home from water damage caused by storms.

For an impact door to become HVHZ (High-Velocity Hurricane Zone) approved it must pass a series of tests that include a missile test, cyclical test, and water infiltration.  Companies such as Therma-Tru test put their products through a simulated rainstorm to ensure that the door, frame, sill, weather stripping, hardware, etc., do not allow water to seep in.

Water infiltration testing is conducted in a certified test laboratory and involves spraying water across the outside face from a calibrated spray rack.  The test is designed to simulate storm conditions to verify that the door repels wind-driven rain.  


Check out this video from the Therma-Tru factory.

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