Concrete prices in May remained nearly flat for the second straight month with a modest 0.1% gain, according to the Bureau of Labor Statistics' Producer Price Index.
Steel and asphalt declined, 1.3% and 0.2%, respectively, but remain at high levels with steel prices increasing 13.9% during the past year. Asphalt prices rose 11.2% in the last 12 months.
Concrete prices have changed at a slower rate, with a 4.5% increase since May 2006.
Lumber prices continued to decline with a 12.5% negative change from 2006.