hairline cracks appearing in new plaster and pantwork

Hi there The way you describe the cracks its not good it tells me the backing plaster is moving I am afraid you either live with the cracks or fill the cracks with a flexible filler rub down and paint ,scrim over all the cracks with tape and re skim no guarantee with this either or you have to hack the plaster back to the brickwork if it has blown or if its only the original finish that has blown you would need to scrape this off then re skim, ask the plasterer to come back and check as it could also be his skim that has blown or to tell you what needs to done with out looking at or tapping the wall to see what sound it makes I cannot determine the root cause sorry about this Regards Joseph

HI, I AGREE WITH PLASTERWORKS, IT SOUNDS LIKE YOU HAVE HAD A QUICK FIX, MEANING ITS BEEN SKIMMED OVER LOOSE BACKING PLASTER, WHICH IS NOT GOOD, SKIMMING WONT SOLVE THE PROBLEM, SOUNDS LIKE IT NEEDS KNOCKING OFF DOWN TO THE BRICK, , OR YOU COULD USE LATEX PAINT, FLEXICOVER , THIS IS EXPENSIVE, THEN EMULSION IT, BUT NOT GARANTEED TO SOLVE THE PROBLEM, CHEERS.

It sounds like either the plasterer used a weak pva bond mix when preparing walls thus leading to cracks or Different temperature variations whilst the fresh plaster was drying....Definitely not settlement cracks as you have them on nearly all the walls. Cheers

Agreeing with all the above and also think that maybe the skim coat is too thin! 3mm is the ideal thickness. You can't plaster over old (live) plaster that has come away from the original surface. Hack off if hollow or loose and start again you can't fix or get over moving plaster. A.M.H.Quality Building.