Materials prices

According to the Portland Cement Association, Concrete prices in May remained nearly flat for the second straight month with a modest 0.1 percent gain, according to the Bureau of Labor Statistics' Producer Price Index. Steel and asphalt declined, 1.3 percent and 0.2 percent, respectively, but remain at high levels with steel prices increasing 13.9 percent during the past year. Asphalt prices rose 11.2 percent in the last 12 months. Concrete prices have changed at a slower rate, with a 4.5 percent increase since May 2006.. Lumber prices continued to decline with a 12.5 percent negative change from 2006. According to the spring PCA Cement and Construction Forecast, the relative price improvements of concrete compared to other materials that materialized during the fourth quarter of 2006 and has continued through recent data collections, will increase national cement intensity in 2007. Cement intensity refers to the tons of cement per dollar of construction activity. Your comment?