Hello nairalanders, my screeded wall is bulging, any idea on why this is happening??
It’s not up to two years I moved into this apartment.
I’ve attached pics below

Moisture

Capillary action.

Water from the ground.

@Gbadexy

most caused by water

Simply because it was wrongly screeded and supervised by an Engr who didn't pay attention to either material used, wrong mix ratio, poor water guage during the screeding process and all that.

I might be wrong to say that it's as a result of a wrong condite water piping.

But then, if the dampness of your area is high, then there are possibilities that the house didn't go through a proper damp-proofing process during construction.

Light, network and road happens to be the major things most people look out for before renting an apartment, neglecting the structural basic things.

Kindly get an Engr to help fix it before it gets out of hand and pray it wasn't caused by bad damp proofing, else you'll have to pack out.

Almost all the buildings in Abuja have this issue
very soon you clothes and shoes will start having moulds on them am talking from experience

They've said it all, it's ground water trying to escape to the surface.
The blisters are water pushing against the paint in an attempt to go out.
I hope the paint is not oil based gloss though.
The original paint under seems to fare better.

Almost all the buildings in Abuja have this issue very soon you clothes and shoes will start having moulds on them am talking from experience

It's due to rising damp.
The solution:-
Scrape off all paints and screeding to the substrate.
Then apply 2 or 3 coat of dulux damp seal or Isonem super components,when dried completely the surface should be rescreeded and then painted with a matt emulsion to allow surface to be breathable.

It is a common problem with houses in Abuja. Surest solution is to lay tiles on the wall from the beginning when you are building new. But where building is not new and has been occupied and painted before, it is advisable to re- plaster the lower course of the wall before laying the tiles. I hope this help.