Prices for materials used in door and window manufacturing mostly increased from June 2020 to July 2020, while rising on a year-over-year basis, according to the latest Producer Price Index (PPI) from the U.S. Bureau of Labor Statistics (BLS).

In July, the monthly PPI for flat glass in the commodity category dropped by .1% from the previous month but was up 1.2% compared to the previous year. According to 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 went up again, another 0.4% from June 2020, and 0.5% on a year-over-year basis. The industry classification measures “changes in prices received for the industry’s output sold outside the industry (that is, its net output).”

The PPI for metal windows stayed the same from June 2020, but grew 3.3% from the June 2019 report. Prices for metal doors and frames also stayed the same in July, improving 1.4% since last year. Prices for wood window units remained the same in June, and rose 3.2% on a year-over-year basis. Prices for wood doors for interior and exterior applications remained steady in July 2020 but continued an overall downward slide by dropping 1.2% compared to last year’s July 2019 pricing.

The price for thermoplastic resins and plastic materials rose by 3.2% over June 2020, but saw an overall drop of 7.8% compared to July 2019. Prices for fiberglass plastic products remained the same since June and went down by 0.3% over last year.

The cost of builders’ hardware, which includes hardware used in doors and windows, dropped 0.3% from June to July, but rose by 2% from July 2019.

Monthly and Yearly Change in Door and Window Material Prices


June to July 2020

July 2019 to July 2020

Flat Glass



Flat Glass Manufacturing



Metal Windows



Metal Doors and Frames



Wood Window Units



Wood Doors



Thermoplastic Resins and Plastic Materials



Fiberglass Plastic Products



Builders’ Hardware



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