silk paint matt paint

I've just finished putting one coat of matt emulsion onto our bathroom walls before realising a more durable, wipeable finish would be better (duh, decorating newbie!) What I'm wondering is, as the same paint is also available in silk emulsion, can I just pop a coat of the silk on top of the...

Hi, we painted plastered walls a dulux silk but it didn't look very good. We sanded it down to 'roughen up' and painted over in Dulux Matt paint of the same colour. The paint has gone on well but in some lights it very patchy - it looks like areas of silk underneath can be seen through the Matt...