How To Install Asphalt Roof Shingles - Part 3 // Ice & Water Shield //

No matter what roofing material you use, one of the most vulnerable areas prone to water leaks are at the valleys. It is for this reason why a specially designed leak barrier membrane is applied down every valley.
It pays to take your time and get this part right, as well as use the proper membrane. In this video, we show you which one to use as well as how to properly install it.
For more information about GAF roof shingles in Australia, visit www.AllAmerica...