sbr mix ratio

Hi, i am in the process of fitting new bathroom (and kitchen) - but discovered some damp, so i've stripped the render off the wall down to brick and treated with Anti Sulphates which really stunk!!... Now i need to repair the wall and then maybe using the Soverign k11 tanking system as heard...

Hi, My question is can you please tell me what ratio of mix I should use for SBR when rendering concrete blockwork and also some areas where existing scratch coat is present? BAL's date sheet has lead me to the following: Slurry coat 1:1 cement and SBR let down with water up to 1:1:1 and...