![]() However, very large cracks, major delamination, or signs of structural pool damage often require the attention of a licensed pool contractor or pool repair specialist. PRO TIP: Patch-It is a great product for repairing small cracks and delamination areas in your plaster pool coating. You can also cover the patch with wet burlap to slow the drying of the plaster patch until the pool is full again. If the repaired area isn't already underwater, refill the pool immediately. Patch-It works equally well for both dry and wet applications. Use a putty knife or grout float to fill the crack, and feather the edges with a wet sponge. When ready, mix up Patch-It waterproof cement according to label instructions. Remove any loose material, and if the crack is very narrow or shallow, it should be opened up slightly more to allow room for a good amount of plaster patching material. ![]() To patch a small pool plaster crack, the crack should first be cleaned to remove any grease or dirt that could affect the bond of the plaster patch. These areas can be quickly cleaned and repaired with Patch-It waterproof cement.īefore getting started, you'll need to gather a few essential items to fix the damaged pool plaster: In cases of bond failure from old plaster to new plaster, hollow spots can pop off, creating small craters of various sizes. Large cracks must be repaired as soon as possible. Horizontal cracks in the pool tile line are often caused by the pool deck pushing against the pool wall. Larger vertical cracks in plaster may be the result of structural stress. Plaster cracks that are smaller than 1 mm often do not leak, but you can dye test them to confirm. Stains and discoloration can be removed with a professional acid wash. ![]() Organic material like leaves and lawn debris can also stain the bottom of the pool if you don't keep up with a regular cleaning routine. When mixed with metals, various colors will stain pool plaster. Damage from etching and corrosion is not normally patched, but can be sanded.Īlso common in most pools, calcium deposits mixed with dirt and oil can deposit on the waterline or in less apparent thin sheets over the entire pool surface. This issue can also be caused by improper water chemistry, which erodes softer surface areas like plaster. Although not patchable, they can be sanded to reduce appearance.Ĭommon in most pools, these small surface irregularities are sometimes the result of improper plaster mixing or curing. They're most often noticed on top steps, which are exposed to longer dry times while plastering and filling the pool. These are very tiny cracks that appear in the surface of plaster. For more information about how to balance pool water and other common pool maintenance tasks, check out our other pool care blog posts. That said, maintaining proper water balance and keeping a regular cleaning routine will help your pool plaster look pristine for as long as possible. Sometimes it has to do with the quality of the plaster mix and/or how it was applied. Let's take a closer look at some of the most common types of plaster damage in a pool.īONUS TIP: It's not always age or pool maintenance that causes pool plaster to fail. It goes without saying that higher quality plaster mixes paired with proper pool maintenance tend to have a longer lifespan. Depending on the blend of plaster you have, you can expect it to last anywhere from 10-25 years. ![]() Many factors can impact the appearance and integrity of your pool plaster, including problems with water balance, poor cleaning and maintenance habits, wildly swinging weather patterns, ground shifts, and of course age. Keep reading for some helpful pool plaster repair tips. If this is your first time repairing pool plaster, don't worry! We've got you covered. As soon as you notice any issues, including pits, stains, cracks, or delamination, it's important to act quickly to prevent much larger issues down the road. ![]() Plaster is a key component of your inground pool, and it prevents water from leaking through and possibly damaging the structural pool shell underneath. If you own a concrete pool that's coated in plaster, it's inevitable that you'll eventually have to make repairs. ![]()
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