Ceramic Tile Price Trends: How Estimators Use PPI Data in Bids

Estimators pricing commercial tile packages, restrooms, and interior finishes need reliable benchmarks when assembling competitive proposals. Knowing how wholesale tile values have moved over the past several years helps subcontractors and general contractors calibrate bid allowances, justify contingencies, and build enforceable contract protections.
Step 1: Identify the Official Ceramic Tile Producer Price Index
To evaluate market movements without relying on rumors, estimators turn to commodity data published by the U.S. Bureau of Labor Statistics. The relevant tracking metric for this trade is series WPU1344, officially titled "Nonmetallic mineral products-Clay floor and wall tile, glazed and unglazed (including quarry tile and ceramic mosaic tile)."
This series uses an index base period where 1982 = 100. The reported values are not seasonally adjusted. In addition, estimators must keep in mind that figures for recent months are preliminary and subject to revision for four months after initial publication.
Step 2: Track Recent Price Movements Through September 2026
Data through September 2026 indicates sustained price stability across the manufacturing sector. The preliminary index reading for September 2026 sits at 139.2 (raw 139.162). Between August 2026 and September 2026, the month-over-month change was +0.0%.
Reviewing the last 13 months reveals how steady the commodity level has remained:
- September 2025: 138.1
- October 2025: 138.1
- November 2025: 138.1
- December 2025: 138.1
- January 2026: 135.5
- February 2026: 138.1
- March 2026: 139.1
- April 2026 through September 2026: 139.2 every month (April: 139.2; May: 139.2; June: 139.2; July: 139.2; August: 139.2; September: 139.2)
The annual average for 2026 through September stands at 138.6, slightly above the 2025 annual average of 137.9 and the 2024 annual average of 137.3, but close to the 2023 annual average of 138.2.
Step 3: Compare Current Levels to Multi-Year Highs and Baselines
To evaluate broader cost pressure over time, estimators can compare the September 2026 level of 139.2 against key historical periods. Within the data window running from January 2016 through September 2026, the series reached its lowest monthly value of 119.0 in November 2016. Its highest monthly peak occurred in November 2023 at 143.0 (raw 143.011). The September 2026 level sits -2.7% below that historical high.
| Time Period | PPI Value | Change to September 2026 |
|---|---|---|
| September 2026 (Latest) | 139.2 | 0.0% |
| September 2025 (One Year Earlier) | 138.1 | +0.8% |
| September 2024 (Two Years Earlier) | 135.7 | +2.6% |
| September 2021 (Five Years Earlier) | 124.8 | +11.5% |
| January 2020 (Pre-Pandemic Benchmark) | 121.2 | +14.8% |
| November 2023 (Window High) | 143.0 | -2.7% |
Looking further back shows steady upward adjustment: annual averages were 123.6 in 2016, 119.6 in 2017, 119.9 in 2018, 120.3 in 2019, 121.3 in 2020, 123.6 in 2021, and 129.8 in 2022. Understanding that the index is up +14.8% since January 2020 helps estimators understand why older completed project benchmarks cannot be reused directly.
Step 4: Incorporate PPI Benchmarks into Proposal Clarifications
When submitting proposals on commercial tile installations, setting clear ground rules protects trade contractors from unexpected price increases during procurement. You can integrate index data directly into your proposal language as outlined in our guide to Bid Exclusions and Clarifications: How to Write a Proposal That Protects You.
- Tie material allowances to an explicit baseline month, such as the September 2026 level of 139.2.
- Define the exact commodity classification by naming the clay floor and wall tile series WPU1344.
- State the acceptance window during which the base quotation remains firm.
Step 5: Draft Index-Based Escalation Clauses
For projects with construction schedules extending across multiple quarters or years, an escalation clause provides objective cost adjustments. Instead of arguing over subjective supplier quotes, both owner and contractor agree to track movements in the BLS PPI commodity series WPU1344.
The clause should define how price adjustments are calculated, noting that recent monthly values are preliminary and subject to revision for four months. When material index thresholds are crossed, adjustments can be formally submitted using standard contractor protocols, as covered in Pricing Change Orders: A Contractor's Guide to Getting Paid for Extra Work.
Sources
U.S. Bureau of Labor Statistics: PPI Commodity Data Series WPU1344
Published October 28, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.