White salty patches on walls

White powder or crust that keeps coming back.

Why it happens

  • Water carrying salts from bricks and cement to the surface
  • Damp walls, often near the floor

Signs to look for

  • White powder or crust
  • Paint lifting where the salt appears

The fix, step by step.

Pick a brand to see the exact products for each step.

  1. 1

    Brush off dry

    Brush the salt off with a dry brush. Do not wash it, water brings more salt up.

  2. 2

    Salt-blocking coat

    Apply a primer or putty made to stop salts and damp.

  3. 3

    Paint

    Finish with a damp-resistant emulsion.

Want us to fix it?

Our team inspects, finds the cause and does the job with the right products, start to finish.