How to Repair a blisters formed on a Flat Roof

There are several causes as to why one might have to deal with blisters on a flat roof with heat and the sun being the main causes but it also points to the presence of moisture. If there are too many blisters on your roof, then it’s probably time to call for the help of a professional but if it’s one or two, here is a list of steps that you can follow to fix it yourself: Step #1: If you find any dirt or gravel located in and around the...