Index lookup · PCU3274203274201
Producer Price Index for the primary product of NAICS 327420, gypsum product manufacturing, gypsum building materials such as wallboard and plaster, the standard series for drywall cost in a construction contract. Index base: December 1993 = 100.
Latest value is 1 month old. Next update expected around Sep 2026.
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Strongest average month-over-month move historically: February (+1.3% avg).
Drywall and interior finish subcontracts escalate against this series directly. Gypsum board pricing has swung sharply around wallboard plant closures and paper liner cost in the past, so a contract relying on this series benefits from a defined review cadence rather than a single annual check.
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 — Gypsum Product Manufacturing, Gypsum Building Materials (BLS series PCU3274203274201), 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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Compare the current value of BLS series WPU137 (Gypsum Products) to its value at contract signing, turn that into a ratio, and apply the ratio to the gypsum board-affected line items. A usable clause also names an averaging window, a publication-lag rule, and a cap.
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