Correct way to deal with damp on the wall

Hello I have a wall where damp patches etc from the shower room behind has caused the paint to flake etc. the shower room is going to be fitted with an additional extractor fan in the cubicle as it is a closed cubicle. What is the correct way to clean and prepare the wall for repainting. Here is a picture of the damp wall

Cheers

Raji

 

The plaster has effloresced badly there, due to water absorbtion throughout time.....probably years!
Its vital that the initial leakage is attended to first - this may involve new silicone sealant, tile grouting or whatever. The wall then needs to dry completely.
After that, then coat the wall with a stain block paint or similar...it may well need a few coats - before a finish coat of emulsion.
For this job, I'd say its caused by greater problems then steam extraction....there's water leakage for sure.
John

 

Thats penetrating damp, a fan will not cure it, the shower is leaking thru the wall.

 

So you don't think that because the shower on the other side is a completely enclosed cubicle, ie there is no gap at the top of the shower door that the humidity and steam inside caused the problem. Here is a picture of the inside of the shower

 

Lack of ventilation won't help Raji, but there's water going through the grout and / or sealant there I'm afraid.
Once the job is done, then the use of a squeegee and cloth will be essential after every use of the shower.
John

 

Lack off a fan is only causing mold in shower, tiles need re-grouting /sealing or possibly retiling.

 

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