Not covered

I have building insurance. I have also taken SASRIA cover. I have tiles that have cracked in a specific area.These tiles cracked under the bed. Not even in a foot traffic area. They actually lifted up from the cement.<br> My claim was rejected with the following reason:<br> <br> \The adhesive deteriorates over the years, this creates a void ( become hollow) and when stepped on the tile cracks.There is no insured peril thus the damage won`t be covered\".<br> <br> "