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Insulated Concrete Forms or

massive tornado outbreak that devastated

ICF provides the designer with

On April 27, 2011, the footprint of the

with locally made Rehau tubing, and a

Southeast was forever changed by a

historically accurate brick façade.

several states. One of the hardest hit areas

“Our office was in a converted 1920s

a wall system that is extremely

was right here in Alabama.

bungalow in downtown Cullman and

strong while also being very

was destroyed by the wave of tornados

energy efficient. A 4”, 6”, or 8”

Cullman was ravished by an F-4 tornado

that devastated much of Alabama in April

ICF wall system provides superior

that tore through downtown and the

2011,” says Bill St. John, president. “We

protection from straight line

historic district, and was estimated to be at

were very fortunate to have had plenty

winds associated with hurricanes

least six city blocks wide.

of warning, so none of our staff was

and wind born debris from

there when the storm struck. We were

thunderstorms and tornadoes.

St. John and Associates, a local engineering

also fortunate not to lose our records or

firm, was completely destroyed. After the

computers and were able to quickly move

ICF wall systems also provide

storm, the firm moved to a temporary office

into temporary offices in a vacant bank

the owner unsurpassed energy

and began to develop plans to construct a

building nearby where we got right back

efficiency. Due to the 4 to 5

new building at the original downtown site.

to work, and then started plans for a new

inches of polystyrene, and thermal

office in our original location soon after.”

mass of the concrete walls,

The 4,000 square foot office building

ICF structures often see energy

features Insulated Concrete Form (ICF)

While planning the design of the new

construction, hydronic radiant floor heat

building, Bill knew he wanted to use ICF

reductions of 30 to 50%.

ConcreteWorks | Winter 2014  

ConcreteWorks is a magazine of the Alabama Concrete Industries Association produced on a quarterly basis. The publication features in-depth...

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