K rend , blockwork showing solution

Does anyone know if this effect necessarily indicates a moisture issue? I have a similar problem and I'm trying to work out if water will have got into the walls to an extent enough to start mould problems... any help much appreciated
Does the property have a cavity?
 
Does the property have a cavity?
Does this help?
K rend , blockwork showing solution
 
This is ‘ghosting’ visibile c2 weeks after application. Will a further coat of render address the problem?
 

Attachments

  • K rend , blockwork showing solution
    3C3DE63C-376B-4D2A-9B44-1E776B7787D1.png
    1.8 MB · Views: 400
Top