October 25, 2007 - Installing the waterproofing shingle underlayment. Applied under roof shingles in the
area above soffits, it is elastic and has a backing that sticks to the roof sheathing. It protects your home's
interior from winter leaks caused by ice dams and wind-driven rain.


All contents copyright 2007 by Dennis Palumbo
Last Revised: October 27, 2007