Tim Healey

I have been in the roofing business since 1973 and often get calls to help find leaks that other companies have been unable to locate. Recently I got an email from an associate about an ongoing and elusive leak in a “butterfly” roof at a home in Boulder County, Colo.

I began my investigation as I usually do: at the home talking with the homeowner. I learned that the 80 mil TPO membrane roof leaked only in the springtime and only after a snowfall of 9 to 12 inches. If the snowfall was less than that, the leak didn’t show up. Spring snowfalls of that amount are common in this area, so the roof had leaked in...

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