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Why Does the Track of My Sliding Door Trap Water During Storms?

It is acceptable for the track of your sliding door to trap water during windy storms.

How Are Doors Tested for Impact Resistance?

Impact resistant doors go through various tests to assess their robustness, including missile debris tests.

What Is Design Pressure (DP) Ratings?

DP ratings indicate the amount of pressure a particular class of doors can withstand.

What Does HVHZ Mean?

HVHZ stands for High Velocity Hurricane Zone.

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