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Have you noticed cracks or even holes in your pool caulking? They not only look hideous, but can be dangerous because the caulk actually serves an important purpose.
Making sure your pool is properly caulked is critical in preventing more serious problems down the road, not to mention improving the appearance of your pool.
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Just like the caulk around your bathtub or windows, pool caulking helps keep moisture out of areas where it doesn’t belong. However, it’s not a permanent solution.
Over time, the caulk ages and weakens. And with changes in weather, your pool will expand and contract, which is a frequent cause of pool caulk cracking or failing.
To combat this problem, many concrete pools (and some vinyl pools) have an expansion joint, which connects the concrete to your pool, allowing it to expand and contract with temperature changes. It’s sealed with a bead of caulk to keep water out of the joint.
If the pool caulking cracks, it’s possible for moisture to get behind the joint. If enough water gets in there, it can expand and contract with the weather changes and cause major structural damage to your pool and the area around it. This can result in some pretty expensive repairs down the road.
If the caulk around your pool is beginning to look old and brittle, or you live in an area that experiences broad changes in temperature, it may be time to put down fresh caulk.
If you’re an experienced do-it-yourselfer, this project shouldn’t be a problem for you. But if you have any doubts about your ability to caulk your own pool, don’t hesitate to call in a pro. It may be a little on the expensive side, but it’s better to have it done correctly to prevent serious damage to your pool.
Gather everything before you begin so you don’t have to stop midway through the job.
This powerful and easy-to-use leaf blower will not only perform well on your lawn, but is great around your pool and hot tub.
Keep in mind that while this is a pretty easy job for a do it yourselfer, it isn’t easy work. You’ll be on your knees, bent over your pool working for quite some time, so make sure you’re prepared for that. You’ll want to take your time to make sure you apply the caulk evenly so the end result looks neat and clean, and the caulk does its job.
Note: If you take a break, set the caulking gun on the cardboard so you don’t have to worry about cleaning up any extra messes.
If you’ve done the job right, the caulk will go from edge to edge, filling every nook and cranny so no water finds its way into the joint. If you still find holes or other areas that need more work, add a little more caulk.
Or something like that. The point is, you don’t want to deal with major damage to your pool because you didn’t bother to maintain the pool caulking. It’s one of the easiest maintenance tasks you can perform to protect your pool and keep it looking new.
Don’t let caulk go to long without being repaired or replaced. This one simple chore can help you avoid thousands of dollars’ worth of damage later on.
Happy Swimming!
Matt is the founder of Swim University. He's been in the pool industry since 1993. His mission is to make pool care easy for everyone. Each year, he continues to help more people with water chemistry, cleaning, and troubleshooting.
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