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Problem; small section on cement rendered area that is mildly damp almost certainly due to no damp proof course - the area is small, 1 sq foot, feels more cold than damp.
Over the past 10 or so years I have on 3 or 4 occasions rubbed it down and applied some emulsion, it will look good for a year then the paint starts to deteriorate and looks in need of a new coat, clealy the damp is affecting it.
I am not wanting to spend any money at all, and just use paints that I have kicking about in the garage. What would be my best options out of the following. It would be a bonus if it would look good for two years instead of one
Some diluted pva (not the water resistant stuff).
Water based undercoat acrylic paint. followed by emulsion
Oil based undercoat. followed by emulsion
Just slap on some more emulsion.
Over the past 10 or so years I have on 3 or 4 occasions rubbed it down and applied some emulsion, it will look good for a year then the paint starts to deteriorate and looks in need of a new coat, clealy the damp is affecting it.
I am not wanting to spend any money at all, and just use paints that I have kicking about in the garage. What would be my best options out of the following. It would be a bonus if it would look good for two years instead of one
Some diluted pva (not the water resistant stuff).
Water based undercoat acrylic paint. followed by emulsion
Oil based undercoat. followed by emulsion
Just slap on some more emulsion.