I have got handsFor a minute there I thought that was you, till I saw the hand
You have to pay someone to do it and you also need to paint fresh plaster, it covers just the same as normal plaster.It's probably nearer to £40m2 Once you add up the cost of the magnetic plaster, the labour for applying the plaster, the cost of the paint to cover it (probably 3 coats as its a dark coloured plaster) the labour to apply the paint etc.
I have got hands
LolYeah looks like you've lost your tan
echo in here ?/ lol..Between 4 and 6mm anymore than that and your wasting gear