Usually they are caused by your roof getting to warm due to heat or air leakage through the attic.
Our first instinct, but it doesn't appear to be the case -- there is no sign of drippage in the attic itself, only *below* the attic. This seems to be something rather different than an ordinary ice dam. (Not certain yet, but the signs indicate that it really is a gutter issue, not a standard dam.)
And yes, it may be that the gutter is optional in that spot -- we'll have to think about that. (But in that case, we need something to keep the water from splashing directly down onto the bay window...)
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Date: 2007-12-21 04:59 am (UTC)Our first instinct, but it doesn't appear to be the case -- there is no sign of drippage in the attic itself, only *below* the attic. This seems to be something rather different than an ordinary ice dam. (Not certain yet, but the signs indicate that it really is a gutter issue, not a standard dam.)
And yes, it may be that the gutter is optional in that spot -- we'll have to think about that. (But in that case, we need something to keep the water from splashing directly down onto the bay window...)