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How to seal plumbing and electrical penetrations

Published on February 13, 2010 By GreyI

If you have been following along for the last few weeks chances are you may have already addressed the penetrations that we will talk about this week. Plumbing penetrations, vent fans, chimneys and other major penetrations may be obvious leaks or they may create leaks in other parts of the home and you don’t realize [...]