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Index lookup · PCU3241213241210131

US PPI — Asphalt Paving Mixture and Block Manufacturing, Asphalt and Tar Paving Mixtures

Producer Price Index for the primary product of NAICS 324121, asphalt paving mixture and block manufacturing, hot mix and similar asphalt and tar paving mixtures excluding liquid asphalt, narrower than PCU324121 (Asphalt Paving Mixture and Block Manufacturing). Index base: December 2004 = 100.

Latest value
283.921
Index · as of Aug 2026
Year-over-year change
+10.1%
BLS
Month-over-month change
+0.6%

Latest value is 1 month old. Next update expected around Sep 2026.

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Price history

Data & insights

Key figures

  • From Jan 2024 to Aug 2026 the index went from 291.8 to 283.9, a change of -2.7%.
  • Highest reading in that period: 326.1 in Feb 2025. Lowest: 247.6 in May 2024.
  • Largest one-month rise: +28.9% in Jan 2025. Largest one-month fall: -19.1% in Apr 2025.
  • For a clause that resets its base every year, a 10% cap or floor would have limited the adjustment in 4 of the last 20 months.
Volatility (12mo)
±5.62%
Std. dev. of month-over-month change

Strongest average month-over-month move historically: January (+21.9% avg).

What this means for your clause

State and municipal road paving contracts, including DOT bid escalation clauses, cite this narrower primary product series over the broader industry group index to isolate the paving mixture itself from other output the same plants also sell, such as roofing asphalt.

Draft a clause

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 — Asphalt Paving Mixture and Block Manufacturing, Asphalt and Tar Paving Mixtures (BLS series PCU3241213241210131), published by BLS.

Base Period: the index value published for August 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.]

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How this index is used

What is price escalation in a construction contract?

Price escalation in a construction contract is a clause that adjusts the contract price for movements in the published price of a named material, fuel, or labor cost after the bid. It shifts material-price risk from the contractor to the owner, within a defined base period, formula, and cap.

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Apply this index to your contract automatically

Escalake tracks US PPI — Asphalt Paving Mixture and Block Manufacturing, Asphalt and Tar Paving Mixtures, applies your formula, and gives both sides a number they can confirm, no spreadsheet required.