Hi,   I had a decorator do our hallway a couple of months back and unfortunately a lot of areas of caulking between the skirting and floor have cracked. There was caulking in place previously which had also cracked in a similar way. I understand there will be some movement / flex at play here. Is there a product / technique that can avoid this cracking?       I am not minded to contact the decorator regarding this as frankly I wouldn't be using him again owing to th