Q: Is acrylic or tripolymer caulk better?
We're going to recaulk our bathroom. What's better acrylic or tripolymer caulk? What are the differences? Which lasts longer?
A: Be careful where you use silicon caulking!
Though slilcon is highly water-resistant, it is also completely unpaintable. I prefer to use acrylic, siliconized caulking, especially in any are that is going to be painted. The high-quality caulking is rated for up to 50 years and is much easier to maintain. It's been my experience that ALL caulknig will eventually crack. When doing repairs, acrylic is easier to remove the loose parts. I've also found that fresh silicon doesn't 'stick' well to the old syuff and, therefore requires much more careful removal. With latex, you can remove the loose stuff and re-caulk over the rest.
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A: Always Paint your caulk if possible
I have found using acrylic caulk outside where the sun will see it, MUST be painted. It wont last 2 years in the sun. If you primer and paint it will last much much longer. Acrylic caulk is a good affordable alternative to tri-polymer caulks at a fraction of the cost. Also since it will be painted use an almond colored caulk. 2 reasons why. Since primer is ussualy white, its easier to see whats been painted with primer if the caulk is a different color and dont use a clear acrylic caulk. For some reason it shrinks up almost 2x as much as the colored caulk. Just my experience, hope this helps somebody.
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