New House Maintenence - Splitting Caulk

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Old 07-11-13, 05:08 PM
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New House Maintenence - Splitting Caulk

The question is, should I completely remove the 3year caulk or just fill in the gaps? My home is only 3 years old and well constructed. With Texas' fine mix of heat, drought, humidity and rain the caulk around the trim work on the porch is split. Almost exclusively on the exteriors getting West sun, the finer, decorative trim work work caulk has split from the porch. The split caulk is still supple to the touch and so I am debating on wether I should cut out the old stuff or just caulk over the existing split stuff.
 
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Old 07-11-13, 05:19 PM
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Old caulk will not suck to new.
Can you post some pictures?
 
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Old 07-11-13, 10:15 PM
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I agree old caulk is no good make sure you remove all of the old caulk. I would probably buy some caulk with silicone in it they have a kind now I hear that can be painted. Make sure it is good and clean too caulk will not stick to a dirty surface.
 
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Old 07-12-13, 03:52 AM
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Construction grade caulk is cheap, and as you have guessed needs to be removed. Replace it with an elastomeric caulk. It will give and take with the weather better. Cheap, no, but not a budget breaker, considering the trouble you are having.
 
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Old 07-12-13, 09:56 AM
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Many Thanks! I was trying to save myself some time, but as I guessed "If its worth doing, its worth doing right".
 
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Old 07-12-13, 10:06 AM
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Photos as Requested of Typical Splitting Caulk.

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Photos as Requested of Typical Splitting Caulk.
 
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Old 07-12-13, 12:59 PM
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If you can find Big Stretch, that would be the caulk I would use. Clean out the loose, apply the new then paint after it's cured.
 
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Old 07-12-13, 01:04 PM
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Elastomeric caulks can be hard to find, I don't think our local big box stores stock it. If you can't find Big Stretch, look for caulk that says siliconized acrylic latex caulk. I'm partial to 'white lightning' brand.
 
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