Stone Panels, Inc.® Product Proves Testing Results in Real-World Conditions
DALLAS (September 2011) – Just a short few months ago, the Dallas-Fort Worth area experienced record lows during one of the state’s harshest ice storms ever. On February 9, 2011, the Dallas Morning News reported a record low temperature for the day had been reached in Dallas when the temperature hit 15 degrees Fahrenheit.
Mere months later, Dallas-Fort Worth is on the tail-end of an almost record-setting summer, wherein the metroplex nearly set a record for number of days in a row that temperatures rose above 100 degrees Fahrenheit. The record, set in 1980, is 42 days. The summer of 2011 gave Dallas 40 days in a row over 100 degrees.
This calendar year has already been one of extreme heating and cooling for North Texas. These extremes have put the materials of some of the most prominent buildings in Dallas-Fort Worth. Luckily for buildings like 10000 North Central Expressway, a 15-story building in Dallas, TX, their building’s materials include StoneLite®.
Stone Panels, Inc.® has put its StoneLite® product through the most rigorous of product testing, including acid freeze-thaw testing. This testing gave building operators across North Texas the reassurance that their facade could withstand the extreme temperatures of 2011.
As an example, one of the many testing methods conducted on the StoneLite® product was developed by Wiss Janney Elstner Associates Engineers. This test subjected marble, limestone, travertine and granite panels to an accelerated aging procedure of temperature cycling 100 times, from 170 degrees Fahrenheit to negative ten degrees Fahrenheit. All the while, the stone face, bond line and honeycomb were submerged in a 4-pH sulfuric acid solution. Subsequently, the exposed and corresponding control samples were subjected to flexure loading, which put the stone and bond line in tension.
The testing resulted in zero bond failure and a flexure strength loss of only 13 percent. Compared to the alternative building material of dimensional stones, which lost 25 to 70 percent of their original strength in the testing, Dallas-Fort Worth buildings built with StoneLite® know they have a better chance of surviving extreme temperatures in North Texas than many of their counterparts which were built with dimensional stone.
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