'Helmet falure' - Notice the hangers for the helmet are fastened directly to the roof shingles. This system failed due to to few hangers. A good thing though as all those hangers screwed through the roof shingles certainly would cause a roof leak sooner or later.

'Helmet falure' - Notice the hangers for the helmet are fastened directly to the roof shingles. This system failed due to to few hangers. A good thing though as all those hangers screwed through the roof shingles certainly would cause a roof leak sooner or later.