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gaf topcoat

  1. General Discussion
    I have a 25 year old 4 pitch metal roof in northrn NH. It has several (8-10) leaks and many old repairs. It totals about 20,000 sq ft. It was suggested that I use Topcoat to repair it instead of replacing it. Any opinions on the subject? How can I figure out how much it will cost. Is it...
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