Construction — steel tariff percentage 2026
Construction Material Tariff Rates 2026: Full Reference Table by Layer
construction material tariff rates 2026 HTSUS construction imports lumber tariff US Section 232 construction materials steel tariff percentage 2026 tariff stacking rules
Every active tariff layer on U.S. construction materials in 2026 — Section 232, 301, 338 and 122 — with rates, stacking rules, carve-outs and effective dates.