Section 232 Tariff
A national-security tariff imposed under Section 232 of the Trade Expansion Act of 1962 — the authority behind existing U.S. duties on steel, aluminum, timber/lumber, and — since January 2026 — furniture and kitchen cabinets, including imports from Canada.
Section 232 of the Trade Expansion Act of 1962 lets the Commerce Department investigate whether importing a given product in the current volume threatens U.S. national security, and lets the president impose a tariff if it does. It’s a broad, product-based authority — used historically for steel and aluminum — rather than a country-specific one, which is the main way it differs from Section 338.
Timber and lumber were added under Section 232 in 2025, resulting in a 10% tariff applied to all lumber imports regardless of country of origin, effective October 14, 2025. For Canadian softwood lumber specifically, that 10% stacks on top of separate antidumping and countervailing duties the Commerce Department raised from 14.5% to 35% the same year — a combined rate NAHB puts at roughly 34.83%, before the newer, Canada-specific Section 338 tariffs announced in 2026 add still more building-material categories on top.
This isn’t limited to raw lumber. The same proclamation covers finished wood products too, at meaningfully higher rates: upholstered furniture started at a 25% global tariff and rose to 30% on January 1, 2026, while kitchen cabinets and vanities started at 25% and rose to 50% on January 1, 2026 — five times the rate on raw softwood lumber itself. The UK’s tariffs are capped at 10%, and Japan and the EU at a combined 15%, under separate trade agreements. The Commerce Department also retains an open process for adding further wood products to the list, so this scope isn’t necessarily final.
See Canadian lumber tariffs and your mortgage or renovation costs for what this combined tariff stack means for new-home and renovation budgets — a kitchen renovation using cabinets subject to the 50% rate is a materially different budget conversation than lumber alone would suggest.
Frequently asked
Why is lumber taxed under a "national security" law?
Section 232 lets the Commerce Department investigate whether an import threatens U.S. national security, and timber and lumber were found to qualify — the same authority historically used for steel and aluminum. It resulted in a 10% Section 232 tariff on all timber and lumber imports, stacked on top of Canada-specific antidumping and countervailing duties.
— US Debt Compass Editorial Team
Does Section 232 apply to Canada specifically, or to all countries?
Section 232 tariffs generally apply broadly by product, not by a single targeted country, which is what distinguishes them from Section 338 — Canada's lumber exports are affected because of the product category, while the separate Section 338 tariffs target Canada specifically.
— US Debt Compass Editorial Team
Does Section 232 cover more than just raw lumber?
Yes — the same proclamation also covers derivative wood products, not just raw timber. Upholstered furniture carries a 25% tariff that rose to 30% on January 1, 2026, and kitchen cabinets and vanities carry a 25% tariff that rose to 50% on January 1, 2026 — both meaningfully higher than the 10% rate on raw softwood lumber itself.
— US Debt Compass Editorial Team
Sources
- National Association of Home Builders — New Tariffs on Lumber, Wood Product Imports Add Headwinds to Housing Market— nahb.org
- Avalara — The difference between IEEPA, Section 122, Section 232, and Section 301 tariffs— avalara.com
- Wiley — White House Imposes Section 232 Tariffs on Imports of Timber, Lumber, and their Derivative Products— wiley.law