Recaulking the Bathtub, Shower & Bathroom Sink

Part of the Video Series Home Improvement & Repair Tips

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If the caulk around your bathtub is growing mold, it's a good sign that it's time to put in new caulk. Learn DIY home repair tips on how to caulk around your bathtub, shower and bathroom sink in this free online home improvement video.

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Recaulking the Bathtub, Shower & Bathroom Sink
When you’re caulking around a tub or a sink, it’s important to dig out the old caulk first, especially if it’s grown some mold, because that will just go through the new caulk. So, it’s a little bit tedious, but it really is essential to get out the old caulk and dig that out all the way around.

And once you’ve done that, the next important thing is to select the right caulk. You want to use silicone caulk in the bathroom because it is the most waterproof and the most mildew resistant. And it will also adhere better to porcelain.

So when it comes to cutting the tip off the caulk tube, you want to cut it at an angle and then you want to either insert a nail, or if your caulk gun has it, you insert the little rod down to break the membrane, which always grows and develops on the caulk inside.

And once you’ve got it loaded in there, it’s really pretty straightforward. You want to hold the tip so it is flat against that edge. And you want to begin dispensing a couple of squeezes will get it down to the tip. And once the caulk keeps coming out, you just keep a smooth even motion all the way around. You may have to go back, but don’t do it yet.

And then, once you’ve kind of dispensed, again, nothing beats a wet finger to just smooth it out all the way around, and probably any gaps that were left in the first pass are probably going to be taken care of once you smooth it out. And that’s really all there is to it, and it will save you a lot of trouble in the long run.

About the Expert

Expert: Greg Lim is a professional handyman and residential property manager. In the seven years he’s been a contractor, he has fully renovated two houses. Read More