Cavity brick/concrete block veneer – uneven colouring/staining

Cause

Localised water run-off across the face of the wall 

Repair

  • determine cause of localised run-off; divert if possible
  • wash brickwork frequently to prevent build-up of discolouration 

Cause

Lack of rain washing 

Repair

  • wash brickwork frequently to prevent build-up of discolouration