Prices for materials used in residential door and window manufacturing were up slightly in February, according to DWM analysis of Producer Price Index (PPI) data released by the Bureau of Labor Statistics (BLS).

The PPI program measures the average change over time in the selling prices received by domestic producers for their output. The prices included in the PPI are from the first commercial transaction for many products and some services.

The monthly PPI for flat glass in the commodity category was unchanged in February at 132.8, following a 0.2-percent price increase from December 2016 to January 2017. Those prices were up 2 percent from a year ago. 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.”

However, the index for flat glass manufacturing in the industry classification stands at 103.7, indicating a 0.3-percent price decrease for the month but a 2.9-percent increase from February 2016. The BLS notes that the industry classification measures “changes in prices received for the industry’s output sold outside the industry (that is, its net output).”

The cost of thermoplastic resins and plastic materials has risen 2.1 percent since January, while prices for thermosetting resins and plastic materials rose 0.8 percent. Fiberglass plastic products fell 0.5 percent.

Prices for wood window units increased 0.8 percent since January. Prices for wood doors for interior and exterior applications rose 1.7 percent during the same time. Metal windows fell 1.1. percent, and metal doors and frames decreased 0.1 percent.

The cost of builders’ hardware, which includes hardware used in doors and windows, increased 0.1 percent  from January.


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