Trump imposes safeguard on quartz surface imports to shield U.S. producers

President Donald Trump signed a proclamation on July 31 imposing a tariff-rate quota on imports of quartz surface products, a move that could make imported countertops, slabs and other finish materials more expensive for home renovation jobs and commercial construction bids nationwide. Quartz surface products are widely used in kitchens, bathrooms and other building applications, so the safeguard reaches far beyond the manufacturing line and into retail pricing, contractor estimates and product availability. It gives U.S. producers a stronger shield against foreign competition at the same moment importers, distributors and installers may have to reset sourcing plans.

The trade remedy followed months of formal action at the U.S. International Trade Commission. The commission notified the World Trade Organization’s Committee on Safeguards in Geneva on Dec. 1, 2025, that it had initiated a quartz surface products investigation on Nov. 17, 2025. On April 1, 2026, the commission found that increased imports injure the U.S. industry, then held an in-person remedy hearing on April 14 before issuing Publication 5738 on May 18. The commissioners recommended a tariff-rate quota with a 25 percent in-quota tariff, a sign the White House chose to follow a formal remedy path rather than a one-off tariff announcement.

The domestic push for relief came from the Quartz Manufacturing Alliance of America, a coalition of U.S.-based quartz slab manufacturers that sought quotas and tariffs on all imports of quartz surface products. The group argued that earlier antidumping and countervailing duties had been weakened by widespread evasion, leaving American producers exposed to cheaper foreign supply. Trump’s proclamation is positioned to benefit those U.S. manufacturers by narrowing the price gap on imported material and giving domestic factories more room to compete for orders.

The action also fits a broader tariff-heavy style that Trump has kept using across industrial policy. On July 20, he signed another proclamation to adjust tariffs on aluminum imports, underscoring a willingness to use executive trade powers well beyond headline sectors. For quartz, the immediate effect is likely to be felt in the price of slabs, the timing of deliveries and the bids that builders and remodelers will write across the country.