While it is possible to patch areas that wear through on an individual basis (even while the pool is still full!), generally speaking, this is seen as a stop-gap measure. If the plaster wears through in spots, water will seep into this “shell” and can cause big problems over time. Right underneath that half-inch waterproof layer is porous gunite or concrete. Remember, one of the biggest jobs of plaster is to waterproof the pool. It can compromise the structural integrity of the pool. And rough surfaces can not only cut you, but can also snag and tear at bathing suits and other items in the water. Bumpy may not seem so bad, but it can still be uncomfortable to walk, sit or lean on, and the lumps can make the pool harder to clean and easier for algae to find a welcome surface. No one wants to jump into a pool and scrape their foot, knee or hand because the plaster has worn away and left rough, painful spots.ĭepending on how your plaster wears away, you might be dealing with bumpy, uneven surfaces or rough ones. We’ve mentioned lumps, bumps and scratchiness, but it bears repeating. If you notice stains in one or two places after only a year or two, that is likely due to a different problem, and you definitely need to bring someone in to look at it and shore up those spots. It’s important to note, though, that the kinds of stains that call for replastering typically take many years to show. If you have to deal with a stained, dirty-looking pool after all of that, it can be frustrating. You likely spent a lot of money installing your pool, and you’ve continued spending to keep it looking and working its best. Ultimately, this is just an aesthetic problem, but that doesn’t mean it’s not a big deal. These stains will make the water and the pool itself look a dingy, dirty green or brown color. Over time, certain minerals that may be present in your water, such as iron and copper, can cause the plaster to stain. What are the risks if you ignore the problem? You can probably already guess some of them, but let’s go down the list: If you’re approaching that “danger” range and the pool is starting to look and feel a bit rough, it’s probably time to replaster. Depending on how much you use your pool and how well you clean and maintain it, pool plaster can remain viable for anywhere from seven to 20 years. ![]() Unfortunately, plaster doesn’t last forever. A newly-plastered pool will be smooth, shiny and blue. Not only does plaster keep the water from draining out, it also makes the surfaces of the pool look and feel nice. To avoid this problem, installers typically add a ½ inch-thick layer of plaster. If they simply left your pool as a concrete or gunite shell, it would periodically empty out on its own and you’d have to keep refilling it. That means that they don’t hold water over time. The problem with both of these substances is that they’re porous. When you had your pool installed, the people who did it likely used either concrete or gunite to form the “shell” of the pool. What does plaster do?įirst, it serves to make your pool waterproof. In a nutshell, replastering a pool means putting a new layer of plaster on the walls and bottom. ![]() How do you fix the problem? By replastering. Something needs to be done, but what? As pools get older, the plaster originally used tends to get rough and make them unsightly and potentially dangerous. Over time, however, you have noticed that the walls and bottom of your pool have become rough, bumpy and even sharp in places. You have invested time and energy over the years to maintain your own personal swimming hole. Your pool has become a gathering place where friends and family enjoy spending time together.
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