Valuable lesson learned about Silicone Caulk

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Old 12-02-11, 02:49 PM
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Angry Valuable lesson learned about Silicone Caulk

I have a bathroom in my barn/shop and the vent pipe had a small leak with a few drips coming down. I have used MANY tubes of Silicone Caulk, over the years, and I am aware of the "shelf life"
In the past I found that even an unopened tube will set up after so long, so I had a tube that was soft and didn't look at the date
I crawled up on the steep roof and found a small place that I suspected was the problem.
The Silicone was soft as new but had a strange consistancy and I suspected it was beginning to set up.
I should have stopped because this was applied over a week ago and it is still WET
I noticed this on a rag I used for cleaning, I looked at the tube and it expired in 2005
This was GE-- 100 percent Silicone Seal
I just came down from cleaning off the 1/2 tube that I applied to the whole outer surface. Took over an hour
A stupid mistake that I will not make again
 
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Old 12-03-11, 04:55 AM
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And you will find that silicone is not your friend outside. It will deteriorate quickly with sunlight. The vent should have had a vent boot.
 
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