Specifying revolving doors

Revolving doors are enjoying resurgence across many project types due to their ability to prevent unwanted air infiltration and enhance the aesthetic appeal of an entrance. However, specifiers will find detailing for revolving doors challenging because of the availability of a wide range of door types with different capabilities.
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Shelter from the storm

This year is shaping up to be a record-breaking one for tornadoes and severe weather. In just the first nine months, nearly 1300 tornadoes swept across the country. Since 2009, the International Building Code (IBC) has included standards for tornado shelters. However, not until the 2015 edition did it...
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