#United States #Washington #Trade Laws #Trump Tariffs #Quartz Manufacturing

Quartz Manufacturing Alliance Intervenes in Tariff Defense

The Quartz Manufacturing Alliance of America (QMAA), representing prominent U.S. quartz slab manufacturers, has taken decisive legal measures to uphold President Donald J. Trump's recently imposed global safeguard tariffs on imported quartz surfaces. These tariffs, enacted on August 15, 2026, followed a comprehensive investigation by the U.S. International Trade Commission (ITC), which revealed that a significant influx of unfairly traded quartz imports had seriously harmed the domestic industry.

A group of quartz importers challenged the ITC's findings, filing a complaint aimed at nullifying the injury determination that prompted the installation of tariffs. In response, the QMAA has intervened, asserting its right to defend the safeguard measures and support domestic manufacturing interests.

Daniel Vaz De Melo Sa, Business Development Manager at Guidoni USA, expressed optimism, stating that the ITC's exhaustive findings and the President's protective actions signal a positive future for local communities and manufacturing jobs. Alongside, Marty Davis, CEO of Cambria, highlighted that the President’s actions were grounded in sound principles, emphasizing the reinstatement of American manufacturing jobs through the tariffs.

The legal challenge from importers has been described as meritless, with QMAA leaders confident that the U.S. Court of International Trade will uphold the ITC's decisions. Stakeholders believe the tariffs are vital in restoring stability, allowing for increased investments in American quartz production to meet surging domestic demand.

Michael Morici, Vice President of Sales at LX Hausys, emphasized the urgent necessity of certainty in the domestic supply chain, heralding the tariffs as essential for job retention and growth in American manufacturing. Echoing this sentiment, Matt Kahny, President of Daltile, remarked on the importance of the ITC's authoritative role in trade regulation and its implications for American job creation.

In September 2025, the QMAA had proactively submitted a Global Safeguard petition to the ITC under Section 201 of the U.S. Trade Act of 1974. The investigation conducted by the ITC substantiated claims of injury to the domestic quartz sector, an industry that sustains approximately 100,000 American jobs. Despite an expanding domestic demand for quartz surfaces, which has surged by 62% over five years, a notable 17.2% decline in domestic production was reported due to the flood of imports, with quartz slab imports soaring by nearly 78.3% from 2020-2024.

The ITC rejected assertions from foreign importers that the tariffs might exacerbate housing affordability issues in the U.S., highlighting that quartz import costs are minimal in the context of overall construction expenses. While countries such as Canada and Mexico are exempt from these tariffs under free trade agreements, the President's decision excludes specific product exemptions traditionally utilized by importers to undermine U.S. trade policies.