According to Kristi Noem, the paint is intended to make the surface warmer and therefore more difficult for migrants to climb.
The border wall
Kristi Noem, Secretary of Homeland Security, recently announced in New Mexico that the border wall would be painted entirely black, on the direct orders of President Donald Trump.
Difficult to climb
According to her, the paint is intended to make the surface warmer and therefore more difficult for migrants to climb.
Sustainability
Noem also pointed out that this measure would prevent rusting and increase the structure's durability.
The first presidential term
The idea is not new, having already been proposed during Donald Trump's first presidential term.
In 2019
However, several sources, including the Washington Post, point out that a paint test carried out in 2019 had begun to peel in less than 18 months, casting doubt on the effectiveness of the process.