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U.S. Begins Painting Border Wall Black to Deter Climbers at Trump’s Direction

Backed by new congressional funding, the rollout is part of a broader effort to complete the barrier, with officials also pointing to corrosion protection.

Overview

  • Homeland Security Secretary Kristi Noem launched the effort in Santa Teresa, New Mexico, personally applying paint and attributing the directive to President Donald Trump.
  • DHS says the black coating is intended to raise surface temperatures under sunlight to discourage climbing, while U.S. Border Patrol leadership adds it should slow steel oxidation.
  • The paint initiative accompanies accelerated wall construction, with officials reporting roughly 800 meters of new barrier erected per day.
  • Recent appropriations reported at about $46 billion are financing wall completion and related infrastructure as part of the administration’s expanded border program.
  • Human‑rights groups and border experts question the deterrent value and warn of heat‑related injury risks, noting CBP’s 2020 painted‑section tests found limited impact.