Good ones should last a long time and not leak (at least seldom). I
would not consider cheap ones. I have seen far too many complaints about
Personally I don't like them, I prefer totally passive venting, of
course that also can leak.
A lot depends on you local weather conditions. I have seen them leak
when exposed to rain driven by high winds. With so many other venting
solutions availalble, turbines are not as common as they were
On Thu, 19 May 2005 18:19:21 -0500, Peabody
I am a super amateur (who has recently asked questions here regarding
attic venting options, so you might want to check out those threads as I
got some really good advice in them) but I can tell you my personal
experience with the turbines. According to the original owner, my house
has had its turbines for about 15 years now. They almost never leak.
Occasionally, during a really, really hard, driven rain, there will be
some minimal leaking. They even have been through a couple of minor
hurricanes without serious leaking. The area around and under the
turbines show no moisture damage during these 15 years, so the problem is
very minimal. Now if this leakage were to happen directly onto ceiling
drywall, there might be some issue, but fortunatley for me, there is a
wooden deck creating a partial floor in the attic that is under both
turbines and they (the wooden planks) have not taken any noticable damage
from the very occasional leakage.
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