US PPI — Clay Building Material and Refractories Manufacturing, Clay Refractories
Producer Price Index for clay refractories.
Price history
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| Month | Value | Change m/m |
|---|---|---|
| Sep 2026 | +0.0% | |
| Aug 2026 | +0.0% | |
| Jul 2026 | +0.4% | |
| Jun 2026 | +0.0% | |
| May 2026 | +0.1% | |
| Apr 2026 | +0.0% | |
| Mar 2026 | +0.0% | |
| Feb 2026 | +0.0% | |
| Jan 2026 | +0.7% | |
| Dec 2025 | +0.0% | |
| Nov 2025 | +0.0% | |
| Oct 2025 | +0.3% | |
| Sep 2025 | +0.0% |
Same numbers as the chart, straight from BLS. Dates are the first of each period, the way BLS reports them.
How it's built
Clay refractories rose 1.5% over the last 12 months, more than any of its main inputs. Input costs are not adding pressure right now.
Nonmetallic mineral product mfgClay product and refractory mfgClay building material and refractories mfg
Key figures
- From Jan 2017 to Sep 2026 the index went from 166.5 to 227.5, a change of +36.6%.
- Highest reading in that period: 227.5 in Jul 2026. Lowest: 165.9 in Nov 2017.
- Largest one-month rise: +6.1% in Jun 2021. Largest one-month fall: -1.3% in Jun 2018.
- The year-over-year change stayed within 10% either way in each of the last 36 months, so a 10% annual cap or floor would not have been reached.
Use it in a contract
Draft clause citing this series
A starting point citing this series by name and code. Replace the bracketed terms with your contract's actual scope before use.
The [affected portion] of the Contract Price shall be adjusted using US PPI — Clay Building Material and Refractories Manufacturing, Clay Refractories (BLS series PCU3271203271207), published by BLS. Base Period: the index value published for September 2026 (or the month of contract signing, if different) is the Base Value. Adjustment: at each Adjustment Date, the Current Value is the most recently published three-month average of the index (the Averaging Window). The Escalation Factor equals Current Value divided by Base Value. Cap: the Escalation Factor applied under this clause shall not exceed 1.10 or fall below 0.90 (a 10% cap and floor) in any single Adjustment Date, regardless of the index's actual movement. [Replace bracketed terms with your contract's actual affected-portion definition and adjustment-date schedule before use. This is a drafting starting point, not legal advice.]
Why contracts cite this index
The standard index for furnace and kiln lining brick, relevant to any contract supplying refractory material for industrial heat processing equipment.
Let Escalake run this clause for you
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