ice dams


Old 01-12-02, 04:44 AM
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ice dams

My house is 112 years old. It has a crawl space and walk in attic over part of the first floor and a small attic over the second (1/2) story. All attic floors have been insulated with R19 value fiberglass insulation and had vents installed recently. Most of the walls of the house are not insulated.

My house continues to get huge and dangerous ice dams. I can add more insulation to the upper attic, but the walk in is used for storage and there is no more room under the floor boards. Is it helpful at all to insulate between the joists of the roof?

Any advice in preventing the dams would be very helpful and greatly appreciated.

thank you

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Old 01-13-02, 02:17 PM
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You can go to Ice Dams and they explain ice dams to you.

Basically what the site discusses are the rules with free venting and things to do to avoid ice dams. Ice dams occur when the attic temperature in a specfic area is above freezing, while the outside temperature is below freezing.
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