Membrane over Sikha Rapid DPM? Should I bother?

Joined
30 Mar 2012
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Location
Monmouthshire
Country
United Kingdom
A gallon of Sikha, spread in 2 coats (5x4m room). Regs told me to run a membrane along the base of and up the inside of the blockwork wall before the stud went on. Am putting down a CLS plus 18mm ply substrate, then 8mm click vinyl.

Do I really need to continue the membrane across the whole conc base, given that it already has 2 good coats of Sikha?

Is a membrane likely to encourage condensation?

Thank you.
 

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