Home » Design Tips » Extreme Garage Doors = Extreme Wind Protection
XTREME weather happens. Increasingly, manufacturers are building
garage doors to withstand extreme wind loads to better protect
your home and everything inside you’ve worked so hard
High winds from hurricanes, tornados and severe storms can
reduce homes to splinters. We’ve all seen jaw-dropping
storm devastation played over and over on TV news and on the
Internet. We’ve all known someone affected by killer
storms. And we all hope beyond hope that it will never happen
to our homes.
Researchers studying the wind effects of devastating storms
note that garage doors are often the entry point for damage.
The garage door is typically the largest opening on a house.
If it’s a flimsy door, it could blow in when exposed to
pounding, heavy winds. And that can lead to a catastrophic chain
“Garage doors are common weak points,” wrote Dr.
Charles A. Doswell III at the University of Oklahoma’s
Meteorological Studies department in a National Weather Service
handbook. “Any high wind event seeks out the weakest link
it can find in a structure. When the garage door gives way,
the wind then pressurizes the garage. The roof then often comes
off, and the failure of the garage can [spread] into the home
itself. In such events, the house tends to ‘unzip’
from the initial failure point.”
The point: A strong garage door is an integral part of maintaining
the structural integrity of a home.
NEW STANDARD OF STRENGTH
The latest International Residential Code calls for garage doors
to be tested to withstand 90 mph winds, and even higher in some
parts of the country. Manufacturers have responded with heavily
reinforced garage doors that often include extra horizontal
struts, vertical posts, long-stem rollers, double hinges, extra
track brackets, stronger track and stronger fasteners.
Strength comes in two flavors: active and passive reinforced
Active reinforced doors require a little sweat
equity from the homeowner when a storm is on the way. Posts
are installed in the garage floor and in the header of the garage
door to brace for extreme winds. When the storm calms down,
the reinforcing posts come down until the next serious windstorm.
Passive systems are already in place and ready
to go as soon as a storm hits. If homeowners are evacuated,
for example, they simply lock the system and it’s ready
to go. If there’s a sudden evacuation notice and you need
to get out in a hurry, all you need to do is flip a latch.
While nothing can stand up to a direct hit in a monster storm,
stronger garage doors mean homes are better equipped to stand
up against powerful winds. The extra protection means a few
extra dollars for a reinforced door, but for the extra investment,
homeowners can sleep a whole lot better while your home rides
out the storm.
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