Pipe Collar Failures Are a Thing of the Past with Wil-Mar Pipe Collar” (Ask a Roofer)
How this pipe collar addresses the number one cause of residential roof leaks. The typical pipe collar deteriorates over time much faster than asphalt shingles. This unfortunate design disparity between materials is why pipe collar failures are the number one suspect when it comes to water infiltration. W.R. ‘Bill’ Merrin, a roofing contractor, has seen these kinds of failures in traditional pipe collars, mastics and