Sep
2
Thermal Bow Illustration

Thermal Bow Illustration

Thermal bow is a temporary condition that may occur in certain applications of metal door openings.  The cause of thermal bow is differing temperatures on either side of an opening.  When steel doors experience a temperature difference between the door faces, the top and bottom of the lock edge of the door …

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Jul
9

The International Code Council (ICC) develops codes and standards for design and construction with the ultimate goal of life safety.  ICC 500 provides standards for storm shelters that provide refuge from storms producing high winds, such as hurricanes and tornadoes.  These standards were introduced in the International Building Code in 2009 stating that if you …

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May
11

Positive pressure was added to fire testing procedures in 1998 to more closely simulate real fire conditions. Before that there was no pressure type procedure in the testing so conclusions were drawn simply from flame and temperature. In real fire conditions as heat develops within the source area, pressure within an enclosed room begins to …

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Mar
11

Blast Openings


When you have a project with blast requirements, consult your door manufacturer to help you get the information needed to quote and provide the correct products. After participating in a project or two, you will see it is not that difficult of a product to provide.

Security is a core responsibility of a door …

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Feb
5

Today’s building designs are pushing the limits for glass. Green buildings require more natural light to be brought into the building for energy savings and to provide a more inviting environment for building occupants. A challenge faced by specifiers is determining what type of glass to provide in doors to meet the aesthetic needs of …

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