The Ultimate Guide To Replacing Plastic Pool Coping

how to replace plastic pool coping

Replacing plastic pool coping is a challenging task that requires careful planning and execution. While it is possible for a homeowner to replace plastic pool coping, it is a significant project that should not be undertaken lightly. Before starting, it is essential to assess the condition of the existing coping and determine if it can be repaired or repainted instead of replaced. If the coping is loose or damaged, a full replacement may be necessary. The process involves removing the existing coping, which can be challenging if it is embedded in concrete, and installing new coping lengths secured with stainless steel screws or fasteners. To prevent water or moisture issues, it is recommended to use a bead of caulking or sealant underneath each coping strip. Additionally, it is crucial to consider the pool liner, as replacing the coping may require replacing the liner as well.

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Removing the old coping

Replacing plastic pool coping is a big project and should only be done if absolutely necessary. Removing the old coping can be a challenging process, especially if the coping is buried in concrete or if the previous installer used unconventional methods. Here is a step-by-step guide to removing old plastic pool coping:

First, assess the condition of the coping and identify any unconventional installation methods used. For example, in some cases, mortar may have been applied over the concrete collar, bond beam, and top flanges of the steel walls, which can complicate the removal process. If the coping is in good shape but has cosmetic issues, such as scratches or peeling paint, you may be able to simply repaint it with coping paint.

Next, if your pool has a concrete deck, you will need to cut and remove the concrete around the coping. This may involve cutting the concrete about 1 foot back from the coping edge, breaking it up, and removing it. Be cautious and follow safety guidelines when operating power tools and handling concrete.

Once the concrete is removed, you can begin removing the coping. If your coping is secured with screws, use the appropriate tools to unscrew and detach the coping strips. If the coping was installed using mortar, you may need to carefully break or chisel away the mortar to loosen and remove the coping. Be cautious not to damage the underlying structure.

After removing the coping, inspect the area for any necessary repairs. For example, if the top of the pool wall is in very bad shape or rusted, you can use angle iron or sheet metal to cover, strengthen, and support the area before installing the new coping. Ensure you consult with a licensed professional if you are unsure about any procedures or encounter unexpected issues.

Remember to wear appropriate safety gear, including gloves and eye protection, during the removal process. Removing old pool coping can generate sharp debris and dust, so caution is advised.

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Choosing a coping material

Pool coping is an important aspect of any pool as it connects the pool with the surrounding outdoor elements, enhancing the overall look and functionality of your pool. It is also important to consider the future plans for your pool when choosing a coping material. For example, if you plan to install a future deck design, you should budget for both the coping and the deck.

There are four main choices for coping materials: concrete, natural stone, composite materials, and brick. Concrete is one of the most popular choices for pool coping as it is inexpensive, easy to work with, and can be shaped into any form. It also seamlessly transitions between surfaces, providing a nice look. However, if you are opting for a concrete pool deck, you might want to consider other materials as a concrete deck does not always look as appealing.

Natural stone is a great option if you want the coping to be a highlight of the pool. It includes materials such as granite, limestone, marble, travertine, and sandstone. Natural stone provides a naturally beautiful look to your pool and is long-lasting, but it can be more expensive than other materials. Travertine, for example, is slip-resistant and stays cool to the touch, making it a great choice for warm climates. Sandstone, on the other hand, is unusual in its colouring, grains, and texture, but it requires a sealant as it is porous. Marble is also long-lasting and attractive, but it tends to absorb heat and is more expensive than other natural stones.

Composite materials are easy to adjust, cut, and shape to fit your preferences. They are also waterproof, salt-resistant, affordable, and durable. Brick is another durable and long-lasting option that comes in many different colours. It does not require a lot of upkeep, but it can be difficult to replace if it cracks.

Other factors to consider when choosing a coping material include durability, functionality, maintenance needs, and budget. You should also consider the surroundings of your pool, such as the presence of mature trees that may cause potential staining. Additionally, the safety of the coping material is important, especially the presence of sharp edges and tripping hazards.

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Preparing the pool wall

First, it is important to assess the condition of the pool wall. If the top of the wall is in very bad shape or completely rusted out, you can use angle iron or sheet metal to cover, strengthen, and support that area. This will provide a sturdy base for the new pool coping. It is also recommended to use removable foam pads that attach to the pool wall, providing a flat surface for the next steps.

Next, you need to remove any existing coping or concrete that may be in the way. If you have a concrete pool deck that was poured up to the pool coping, you will need to cut and remove the concrete. This process can be challenging, as it requires cutting the concrete about 1 foot back from the coping edge and then breaking it up for removal. It is important to be cautious and follow the necessary safety procedures during this step.

Once the old coping or concrete has been removed, inspect the pool wall for any necessary repairs. Ensure that the wall is clean and free of any debris or residue. If there are any holes or cracks in the wall, they should be filled and patched up appropriately. This step is crucial to ensure a smooth and even surface for the new pool coping.

After preparing the pool wall, you can start thinking about the new coping installation. Measure the length of the pool wall to determine the required amount of coping material. It is recommended to use coping lengths between 4 and 8 feet, secured with stainless steel screws or fasteners. You can also purchase corner pieces with different radii to fit the shape of your pool.

Before installing the new coping, it is essential to lay a bead of caulking or sealant underneath each coping strip. This will create a watertight barrier, preventing water or moisture from seeping between the pool wall and the new coping. Ensure that you follow the manufacturer's instructions for properly applying the sealant.

By following these steps, you will effectively prepare the pool wall for replacing plastic pool coping. Remember to take your time, work carefully, and always follow safety guidelines when working on such projects.

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Installing the new coping

Firstly, cut the concrete about 1 foot back from the coping edge and then break it up and remove it. Next, lay a bead of caulking or sealant underneath each coping strip to prevent water or moisture from moving between the pool wall and the coping. Then, secure the 4' - 8' coping lengths to the top of the pool wall with stainless steel screws or fasteners. You can buy corner pieces with different inside and outside radii.

If the top of the pool wall is in very bad shape, you can use angle iron or sheet metal to cover and strengthen it. This will also support and secure the new coping. Additionally, you can use removable foam pads that attach to the pool wall, along with a flat type of pool coping strip that secures to the top of the pool wall. With the foam forms in place, a concrete pool deck can be poured up to and overhanging the pool edge.

If you are using stone coping, you can fill the grout joints between the stones with mortar. Leave an expansion joint of 1/2" between the cut pool deck and the stone, and fill this with a foam backer rod and a pool caulk.

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Finishing touches and maintenance

Once you've replaced your pool coping, there are a few finishing touches to consider, as well as ongoing maintenance to keep your pool in good condition.

Finishing Touches

After installing the new coping, ensure that you fill any grout joints with mortar. It is also recommended to leave an expansion joint of about 1/2" between the cut pool deck and the stone, which can be filled with a foam backer rod and a pool caulk.

If you are changing the height of the coping or the track, it is important to ensure that your pool liner matches the new height. In some cases, you may need to replace the liner altogether if it no longer fits properly.

Maintenance

Pool coping and liner maintenance is important to keep your pool looking good and functioning safely. Metallic objects that can rust or corrode, if left in the pool for extended periods, can stain your pool liner. This includes hairpins, coins, and any other items containing pigments, such as lawn fertilizers or leaves. These stains can often be removed with a TLC cleaner and some effort.

Additionally, keep an eye out for any signs of oxidation on your pool coping. Unpainted aluminum coping can be prone to oxidation if exposed to unbalanced pool water, especially in chipped areas. Regularly inspect your coping for any chips or scratches and consider repainting aluminum coping to prevent oxidation.

Remember, replacing pool coping is a significant project, so it is always recommended to consult a professional if you are unsure about any procedures or if complications arise.

Frequently asked questions

Replacing plastic pool coping is a big project and should only be done if necessary. First, remove whatever is on top of the coping. If your coping is buried in concrete, you will need to cut and remove the concrete. Then, install the new coping by securing 4' - 8' coping lengths to the top of the pool wall with stainless steel screws or fasteners. Apply a bead of caulking or sealant underneath each coping strip before screwing it down to prevent water or moisture from moving between the pool wall and the coping.

You will need coping lengths made from plastic or another material such as aluminum, stainless steel screws or fasteners, caulking or sealant, and any necessary tools for removing the existing coping such as a saw or chisel.

Plastic pool coping is typically made from PVC and is common in older pools. However, aluminum is often recommended for new pools as it does not become brittle from sun exposure or shrink and create joints like PVC can. Aluminum is also more corrosion-resistant than unpainted plastic.

If the coping is in good shape but needs improvement aesthetically, you can repaint it with coping paint. Alternatively, if the coping is installed with a mortar bed, you may be able to repair the mortar bed instead of replacing the entire coping.

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