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The job was not done as per contract. There was no removal of shingles, no facing, nothing. As a result, our roof and garage is leaking and they keep on asking for more money! 3: Poor installation and unsatisfactory workmanship A faulty installation dramatically increases the likelihood of problems and reduces a roof system’s life expectancy. “Workmanship does tend to be one of the more common problems or common reasons for problems that crop up at some point in the life of the roof,” Harriman comments. BUR system installation can be problematic if specific preparations are not taken. According to Harriman, problems with adhesion can result when the area isn’t cleaned, dried, and primed properly prior to installation. “Those are things that are difficult to walk up on a roof and visually see, but could lead to future problems, premature aging, or premature failure,” he says. Torch-applied mod bit system performance can be compromised if crews do not relax the sheets prior to installation. Material preparation is important to a quality installation. C.A.R.E. notes, “Sheets installed that have not relaxed or are installed when ambient conditions such as temperature are not right can result in wrinkles, leaks, fish mouths, contraction of sheets, or blisters.” Be sure that the contractor and crew you’ve hired are educated in proper installation techniques specific to the roof they are installing.