[450] Ice dam busters

William Knapp / KC1WJ kc1wj at kc1wj.com
Mon Mar 2 09:31:09 EST 2015


  No big ice dams here. Our attic is well vented and insulated...if there is
too much condensation, we also have an attic fan.

  I really do like your whole engineering aspect on all this, John. You have
a great mind!

Quoting John Foege <john.foege at gmail.com>:

> http://i2.wp.com/centurion-homes.com/wp-content/uploads/2013/12/Phose.jpg
>   On Mar 2, 2015 9:09 AM, "John Foege" <john.foege at gmail.com> wrote:
>
>> Going to look something like this once I'm finished. You fill panty hoe
>> legs with calcium chloride flakes, tie off the ends, and place them
>> perpendicular to the ice dam with the ends hanging over the eave. They
>> melt troughs through the dam and allow the pooled water behind it to
>> drain.
>>
>>     This is the quick fix. The long term fix is to ensure you have a
>> ridge vent, soffet vents, good insulation of the attic floors (dual
>> layers in the NE even), and that you find and squash any sources of
>> heat leakage into the attic.
>>
>>     Essentially if you can assure the temperature of the air in attic
>> is the same as the outside ambient air temperature, you will never have
>> ice damming and the costly repairs of the subsequent water damage they
>> bring!
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