Walls and roofs
Insulation prices: up 2.7% in a year
The producer price index for insulation materials was up 2.7% over the 12 months to September 2026, and up 51.9% since January 2020. The highest reading since 2007 was in September 2026, the latest month.
12-month change, September 2026+2.7%preliminary
Change from previous month+1.6%August 2026 to September 2026
Since January 2020+51.9%
Index, September 2026293.61982 = 100
Since 2020
InsulationAll goods used in home building
Index rebased to January 2020 = 100, not seasonally adjusted
12-month change since 2007
Insulation
Percent change from the same month a year earlier
Month by month
| Month | Index | 12-month change | All materials, 12-month |
|---|---|---|---|
| September 2026 (preliminary) | 293.639 | +2.7% | +9.7% |
| August 2026 (preliminary) | 289.038 | +1.1% | +7.8% |
| July 2026 (preliminary) | 287.742 | +0.8% | +7.0% |
| June 2026 (preliminary) | 289.248 | +0.6% | +7.0% |
| May 2026 | 289.542 | +0.1% | +8.0% |
| April 2026 | 288.045 | +0.1% | +6.2% |
| March 2026 | 290.150 | +0.2% | +4.6% |
| February 2026 | 288.121 | -0.2% | +3.1% |
| January 2026 | 286.427 | -0.5% | +2.4% |
| December 2025 | 286.654 | +0.2% | +3.0% |
| November 2025 | 284.808 | -0.1% | +3.3% |
| October 2025 | 283.458 | -1.1% | +2.8% |
| September 2025 | 285.809 | -0.2% | +3.4% |
| August 2025 | 285.999 | +0.5% | +2.6% |
| July 2025 | 285.333 | +0.4% | +2.4% |
| June 2025 | 287.612 | +1.3% | +2.2% |
| May 2025 | 289.290 | +3.4% | +1.6% |
| April 2025 | 287.836 | +3.5% | +0.5% |
| March 2025 | 289.677 | +4.2% | +1.3% |
| February 2025 | 288.652 | +4.2% | +1.2% |
| January 2025 | 287.811 | +5.7% | +1.9% |
| December 2024 | 286.200 | +7.1% | +1.6% |
| November 2024 | 285.167 | +7.1% | +1.1% |
| October 2024 | 286.632 | +7.6% | +0.8% |
| September 2024 | 286.309 | +7.2% | -0.8% |
| August 2024 | 284.470 | +6.2% | +0.2% |
| July 2024 | 284.180 | +5.6% | +1.6% |
| June 2024 | 284.058 | +5.8% | +1.8% |
| May 2024 | 279.649 | +3.4% | +2.0% |
| April 2024 | 278.030 | +3.8% | +2.4% |
| March 2024 | 277.972 | +3.8% | +1.8% |
| February 2024 | 277.133 | +4.1% | +1.5% |
| January 2024 | 272.265 | +2.8% | +0.6% |
| December 2023 | 267.236 | +1.2% | +1.0% |
| November 2023 | 266.337 | +1.3% | -0.8% |
| October 2023 | 266.282 | +1.6% | -1.2% |
What this measures. BLS producer price index "Insulation materials", series WPU1392, base 1982 = 100. It tracks what domestic producers receive for these goods, before retail markup. Store prices often follow with a delay.
Sources
- US Bureau of Labor Statistics, Producer Price Index by commodity, not seasonally adjusted, retrieved through the BLS Public Data API
- US Bureau of Labor Statistics, PPI detailed report and revision policy
Checked 29 October 2026. The latest four months are preliminary and BLS may revise them. These are producer prices, what domestic producers charge, not store shelf prices.