Apr 05

SDI Twist Test Simulated at the Mesker Door Factory

In order to maintain the highest quality standards for life safety and security, the Steel Door Institute requires that all doors meet rigid test requirements. To pass the test and meet the current standard set forth, 300lbs of pressure is applied to the upper lock edge corner of a steel door and can deflect no more that 1 1/4″.

Watch this youtube video as Mesker Door simulates this test at their factory.  You will see pressure applied in 30lb increments up to the industry standard of 300lbs then back down again.  But since the deflection was not even close to 1 1/4″ the test is started again with the intention of seeing just how much pressure it takes to make the NVS door deflect 1 1/4″

Click here for more information on our NVS Door.

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