Take the 1:5:10:365 challenge: Do one thing - on behalf of 5 to 10 minutes - 365 days per annum to make our home as well as planet environment better.
1:5:10:362 EcoTip: Winter is a good time to check on behalf of attic ice. If it is not coming from leaks or ice dams then there must be excessive moisture coming into the attic from somewhere that is freezing on the cold underside of the roof. It may be that the attic ventilation is inadequate, but is also very likely that a moisture source is releasing moisture into the attic. Double check bathroom, laundry as well as kitchen vents to be sure they are dumping moisture laden air outside as well as not into the attic. The air infiltration sealing techniques discussed elsewhere in this blog may also help (search term infiltration).
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 Additional Information:
Suggested Review: 
I inspected one residence that was having difficulties with ice forming in the attic then melting onto the ceiling as well as walls when the days began to warm. The problem had suddenly developed one year. It turned out that a plumber had pulled the vapor barrier off the soil in the crawlspace to work on the septic line, as well as had not replace the barrier. The excess moisture coming off the soil was able to infiltrate all the way up through the house into the attic as well as was  sufficient to cause the problem to develop. Replacing the plastic barrier on the soil solved the problem.
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Posted in :362 Attic Ice   Tagged: 1:5:10:365, attic, ecotip, environment, freezing, home, ice, moisture