S Searcher New member Sep 5, 2009 #1 I have just had a severe water leak on my roof fixed. The leak was coming from the flue which protrudes out of the roof from the gas boiler.The slater has stated that there were "no lips on mac flash on both sides"....anyone know what this means?
I have just had a severe water leak on my roof fixed. The leak was coming from the flue which protrudes out of the roof from the gas boiler.The slater has stated that there were "no lips on mac flash on both sides"....anyone know what this means?
