Bob Scribner, Production Manager at G.F Sprague Roofing the Boston MA roofing contractor demonstrates how to replace a low slope shingle roof. This job in Newton MA also featured the integration of a skylight and a unique junction between the lower and upper roof. Both the skylight and roof junction had been major sources of leaks in the past. G.F Sprague shows how to not only make these problem areas water tight but create an even stronger barrier to prevent ice and snow back up as well. Get rid of leaks and ice dams call 781-455-0556.