demolished quonset buildings

High-Wind Rated Quonset Huts™Survive Deadly Tornadoes

It takes decades to build a thriving community, but one violent tornado can destroy it all in an instant.

Dangerously high winds and flying debris can obliterate structures, but high-wind rated Quonset HutsTM have proven their strength in the midst of the most dangerous twisters.

Residents in the path of these huge destructive storms have just moments to run for cover when a twister forms. SteelMaster’s tornado-resistant arches are tough enough to withstand such violent storms. Our structures combine the classic architectural strength of the arch with 21st-century technology, making these prefabricated steel arch panels strong enough to handle just about anything.

Every year, approximately 1,300 tornadoes occur in the U.S. alone, by far the most in any single country with Canada taking a distant second. The bulk of tornadoes in the U.S. form in an area known as Tornado Alley. This includes the region from central Texas, northward to northern Iowa, and from central Kansas and Nebraska east to western Ohio.

Most of the funnel clouds that form in America fall on the lower end of the Enhanced Fujita Scale. The Fujita Scale ranks storms from EF-0 to EF-5 with weaker storms ranked between EF-0 and EF-1. Few storms make it to EF-5 at the top of the scale.. An EF-5 rated tornado can demolish everything in its path.

Tornadoes winds can reach speeds up to 300 mph, which is an impossible force for many straight wall buildings to handle. Even some so-called tornado resistant homes succumb to their deadly force. The Occupational Safety and Health Administration, OSHA, recommends getting into a tornado-proof shelter when disaster strikes, and SteelMaster’s extremely durable structures have time and time again survived the most vicious storms.

To avoid significant EF-5 tornado damage, buildings must be constructed with a continuous load path. This is a series of reinforcements tying every structural element together from roof to foundation, much like a chain. This is exactly how SteelMaster’s Quonset HutsTM are built. Each arch overlaps the next and is tightly bolted together, forming one unit bolted to the foundation.

A normal straight wall building is vulnerable because its parts can be ripped off, even in a fairly weak tornado. Once there is the slightest opening, the wind gets inside, dismantling the entire structure as if a bomb went off inside of it.

Fluctuating wind speeds during storms can increase pressure on parts of a structure. This can cause connections between the buildings’ components to fail. The roof covering, roof deck, or wall siding can be pulled off and the windows can be pushed into or suctioned out of a building.

The average home is built with plywood, lumber and particleboard, which become powerful projectiles once a structure suffers a direct hit from a tornado. Even well-built brick homes are vulnerable.

SteelMaster’s overlapping arch panels are made with high-quality, commercial-grade steel bolted together to form a strong internal support system to prevent a structural collapse.

“When I looked around at my property, the destruction was indescribable except for two things: These two things would be a SteelMaster 25’ x 32’ shed purchased back in 1993 and a second 20’ x 30’ shed we bought around Thanksgiving a year ago. I really could not believe my eyes,” says Marty Mullins of Virginia.

Our prefabricated steel Quonset Huts meet tornado shelter requirements and tornado building codes in every state in the U.S.

If you want an affordable, durable building capable of standing up against some of the most dangerous storms, a SteelMaster Quonset Hut is the best choice.


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quonset home crushed
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