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Door Diagram
Securall StormSafe 320 during impact test at Texas Tech University Wind Science and Engineering Research Center.

What makes SECURALL StormSafe Doors stand out?

Securall StormSafe Doors are constructed in accordance with the Federal Emergency Management Agency's (FEMA) guidelines and the International Code Council's (ICC-500) standard for tornado shelter doors. This design is based on extensive research on the cause and effects of windstorm damage to buildings. When combined with a shelter that also adheres to FEMA guidelines and ICC standards, a StormSafe Door will provide a high degree of occupant protection during extreme windstorms (tornados and hurricanes).

Testing on StormSafe doors was performed at Texas Tech University's Wind Science and Engineering Research Center. Texas Tech is the foremost authority in wind research and co-authored FEMA's "Taking Shelter from the Storm", a publication outlining design specifications for safe rooms. All three StormSafe models successfully passed and exceeded the minimum requirements.

For more information on residential safe room designs and construction, please refer to

For more information on community or business safe room designs and construction, please refer to



Test Details
Measurement of the Securall StormSafe 320/361 after an impact test. The FEMA Impact test requires less than three inches of permanent deflection by the door after impact.
  • Pressure and impact tests independently conducted at Texas Tech University’s Wind Science and Engineering Research Center

  • Consistent with FEMA 320 / 361 - “The Design and Construction of Storm Shelters”.

  • Consistent with the ICC-500 pressure test load 120% safety factor requirement.

  • Both the pressure and impact tests simulate a 250-mph wind storm.

  • The pressure test meets ASCE 7-05 for a door to be installed in Corner Zones 4 & 5, where negative pressures are greater than positive pressures.

Securall StormSafe 320 prior to the pressure test at Texas Tech University Wind Science and Engineering Research Center
Pressure Test Parameters:
  • Pressure test represents a 250 mph ground speed wind storm with exterior pressures greater than interior pressures.

  • A static pressure of 2.19 psi must be held on the door for 10 seconds.

Impact Test Parameters
Securall StormSafe 320/361 after the three impacts required by the FEMA impact test. Tested at Texas Tech University Wind Science and Engineering Research Center.
  • Door must first undergo the stress of and pass the pressure test prior to beginning the impact test.

  • Consists of three impacts of 15-lb two inch by four inch wood board traveling horizontally at 100-mph, which corresponds to a 250-mph wind storm.

  • All three boards are fired at key structural points in the door.

  • Door must exhibit permanent deflection less than three inches.


Wind Zones in the United States and Tornado Activity in the United States courtesy of the FEMA website:
All of the Securall StormSafe Doors have been tested and approved for all wind zones, including wind zone 4 which represents 250 mph gusts.

In addition, all Securall StormSafe Doors meet the following codes:

  • ASTM E 1886-05
  • ASTM E 1996-06
  • SSTD 12-99
  • ANSI A250.13-2003
  • FM 4473
  • ICC 500
  • ASCE 7-05
  • ASTM E330

Securall Doors
5122 N. State Rd. 39
LaPorte, IN 46350
  Phone: 888-326-7890 Phone: 219-326-7890
  Fax: 888-324-3780 Fax: 219-324-3780
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