Just wondering if anyone has experience of the above. We are turning out garage into a music/games room as the children are now taking over the house with their 'kit' (teenagers). We would like to have a wall area that they can draw on. Chalk dust may be a problem I have been told (?) so the next option is a white board type paint. Has anyone used anything that is wipe-able: gloss paint, spray? I googled something called IdeaPaint which is clear so can be applied over existing colours but it was £230 for a tin. TIA.