Prices for materials used in glass and glazing manufacturing showed no consistent trends in December 2018 compared to the previous month, but all are up for the year, according to the latest Producer Price Index (PPI) from the U.S. Bureau of Labor Statistics (BLS).
The monthly PPI for flat glass in the commodity category dropped 0.2 percent from the previous month, but is up 1.3 percent from December 2017. According to the BLS, the commodity classification “organizes products and services by similarity or material composition, regardless of the industry classification of the producing establishment.”
The index for flat glass manufacturing in the industry classification fell 0.3 percent from November 2018, continuing a trend of decline over several months. However, it’s up 2.1 percent from December 2017. The industry classification measures “changes in prices received for the industry’s output sold outside the industry (that is, its net output).”
Prices for fabricated structural metal products fell 0.2 percent from the previous month. That index, in the commodity grouping, is up 7.9 percent for the year. Ornamental and architectural metal product manufacturing, in the industry category, dropped 0.1 percent in December after a 3.8-percent jump in November. It has experienced a 7.8-percent increase since December 2017.
The PPI for metal windows fell 0.2 percent from its November level after a bump of 1.4 percent last month. It’s up 10.9 percent from the December 2017 report. Metal doors and frames remained the same from November to December 2018, but the category is up 6 percent for the year.
The cost of builders’ hardware, which includes hardware used in glass and glazing, rose 0.5 percent in December. That price is 3.5 percent higher than in December 2017.