not sure about the product used in your home. we usually pack the joint with oakum. then we use hydrolic cement (water plug). followed by tar on the outside. hope this helps. email with any questions. ... read more
Is there anything I can do from inside my attic to battle ice dams? I'll worry about preventing them next, for now I have them and want to speed up their melt.
We think this is a great blog on ice damming and the need fir insulation.
http://www.callenblog.com/keeping-attic-heat-and-moisture-under-control
Good luck.
Home Exteriors by Callen