We are sorry to see that you are experiencing some problems with your tiles.
We always advise customers to report any issues to us as soon as they become apparent so that we can rectify things accordingly. We cannot see that this has been reported to us as of yet; however, we would still be more than happy to look into this for you. If this is something that you would like us to do, please email some pictures showing the issue being reported to customer.service@tilemountain.co.uk.