Stalled construction projects in the Middle East are causing some concern since most of the buildings are concrete and the environment is full of sun, sand and salt because most of the development is occurring in coastal areas. The quality of the concrete determines its durability, says Laith Haboubi, business development director at adhesive producer Mapei. "There is a point where all this just becomes economically unviable, and older structures are not worth keeping," Haboubi says. "Some 90 to 95 percent of the time they are still economically viable to restore the structural integrity of works."
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