Is your concrete pool looking a little worn out? Do you want to give it a fresh new look that will last for years to come? Learning how to fibreglass your concrete pool is a great way to achieve this! Not only will it give your pool a new lease on life, but it will also protect it from the harsh elements that can cause damage to the surface over time.
Fibreglassing a pool may seem like a daunting task, but it is actually quite simple when broken down into 7 easy steps. In this article, we will guide you through each of these steps, giving you all the information you need to successfully fibreglass your concrete pool and achieve the beautiful, long-lasting finish you desire.
Whether you’re a seasoned DIY-er or just starting out, you’ll find everything you need to know right here. So, roll up your sleeves, grab your tools, and let’s get started on this exciting pool renovation project together!
By the end of this article, you’ll have all the knowledge and skills necessary to fibreglass your concrete pool like a pro, so keep reading to discover the step-by-step process!
Table of Contents
Step 1: Preparing the Pool Surface
Preparing the pool surface is an essential step in fibreglassing your concrete pool. The pool’s surface should be clean, dry, and free from any debris, oils, or other contaminants. To achieve this, you’ll need to scrub the surface with a stiff-bristled brush and a mixture of water and trisodium phosphate. Rinse the surface with clean water and allow it to dry completely before proceeding.
Next, use tape to mask off any areas that you don’t want to fibreglass, such as tile lines, fittings, and skimmers. This will ensure a neat and clean finish once the project is complete. Additionally, ensure that any chips, cracks, or other damage to the pool surface are repaired before proceeding with the fibreglassing process.
Before you start fibreglassing, you’ll need to apply a layer of primer to the pool surface. This will help to create a strong bond between the fibreglass and the concrete, ensuring a long-lasting finish. You can choose from several different types of primers, including epoxy, polyester, and vinyl ester. Choose a primer that’s appropriate for your pool and follow the manufacturer’s instructions for application.
Finally, use a tack cloth to wipe down the pool surface and remove any dust or debris that may have accumulated. The surface must be completely clean and dry before you start applying the fibreglass resin.
1.1 Drain the Pool and Remove Any Debris
Turn off the pool pump and drain the water from the pool. Use a submersible pump or a pool vacuum to remove the water.
Remove any debris from the pool, such as leaves, dirt, and branches. You can use a net, a skimmer, or a pool vacuum to do this.
Scrub the pool surface with a stiff-bristled brush and a pool surface cleaner. This will remove any algae, dirt, and stains from the surface.
Check for cracks and damage on the pool surface. If you find any, repair them before proceeding to the next step.
Preparing the pool surface is an essential step in the fibreglassing process. By draining the pool and removing any debris, you ensure that the fibreglass will adhere properly to the surface. By scrubbing the surface, you remove any contaminants that could interfere with the fibreglass application. By checking for cracks and damage, you ensure that the fibreglass will create a watertight seal, preventing leaks and damage to the pool.
1.2 Inspect the Surface for Damage and Repair as Necessary
Before applying fibreglass, it’s essential to check the pool surface for any damage, such as cracks or chips. Such damages can compromise the final result and reduce the lifespan of the fibreglass coating. If you find any damage, it’s necessary to repair it before moving on to the next step.
Step 1: Clean the damaged area with a high-pressure washer to remove any debris or dirt.
Step 2: Fill any cracks or holes with a pool patching compound.
Step 3: Allow the patching compound to dry according to the manufacturer’s instructions, and then sand the surface with sandpaper until it’s smooth.
Step 2: Applying the First Layer of Fibreglass Resin
Before you begin, make sure you have all the necessary equipment and materials ready. You will need a fibreglass roller, resin, and fibreglass matting. You may also want to wear gloves and a respirator to protect yourself from the fumes.
To apply the first layer of fibreglass resin, start by mixing the resin according to the manufacturer’s instructions. Then, using a roller, apply the resin to the pool surface in small sections. Be sure to work quickly to avoid the resin drying before you can apply the fibreglass matting.
Once you have applied the resin to a small section, place the fibreglass matting over it and press down firmly with the roller to remove any air bubbles. Continue this process, working in small sections until the entire surface is covered with a layer of fibreglass matting and resin. Let this layer cure completely before moving on to the next step.
2.1 Mix the Resin According to the Manufacturer’s Instructions
Resin mixing is a crucial step in fibreglass pool installation. To get the desired outcome, you need to mix the resin according to the manufacturer’s instructions. The instructions usually provide the required ratio of resin and hardener to ensure the mixture sets properly.
Wear safety gear when mixing the resin. The fumes produced during the mixing process can be harmful. Ensure that you work in a well-ventilated area and wear gloves, safety glasses, and a respirator.
Use a paddle mixer to mix the resin. Paddle mixers are efficient in ensuring that the resin and hardener are thoroughly combined. Avoid using wooden sticks to mix the resin as they can introduce air into the mixture, leading to weak spots in the fibreglass.
Step 3: Laying the Fibreglass Matting
Step 3 involves laying the fibreglass matting on top of the first layer of resin. This will create a strong and durable surface for your pool.
Before you begin, make sure the resin has fully cured. This usually takes around 24 hours. If the resin is still tacky, wait until it has completely cured before laying the matting.
Next, cut the fibreglass matting to fit the size and shape of your pool. It’s important to use the correct type and weight of matting for your pool to ensure a strong and long-lasting finish.
Then, mix a new batch of resin according to the manufacturer’s instructions. Use a roller or brush to apply the resin to the surface of the pool, working in small sections.
Finally, carefully lay the fibreglass matting onto the resin, smoothing out any bubbles or wrinkles as you go. Be sure to apply enough resin to fully saturate the matting and create a strong bond.
3.1 Cut the Matting to Size and Apply to the Pool Surface
Step 1: Measure and cut the fibreglass matting to the size and shape of your pool, leaving a 2-inch overlap on all sides.
Step 2: Mix a batch of fibreglass resin according to the manufacturer’s instructions, and then apply it to the pool surface using a roller or brush.
Step 3: Lay the fibreglass matting onto the wet resin, starting at one end of the pool and working your way towards the other end.
Step 4: Use a roller or brush to smooth out any air bubbles or wrinkles in the matting, and make sure it adheres well to the surface.
Step 5: Apply another layer of resin over the top of the matting, saturating it completely and making sure there are no dry spots.
Step 4: Applying the Second Layer of Fibreglass Resin
Once the fibreglass matting is in place, the next step is to apply the second layer of fibreglass resin. This layer will ensure that the fibreglass is properly sealed and provides a smooth finish to the pool surface.
Mix the resin: Before starting, mix the second layer of resin according to the manufacturer’s instructions.
Apply the resin: Using a roller or brush, apply the resin evenly across the surface of the pool. Be sure to work in small sections, as the resin can dry quickly.
Sand the surface: Once the resin has fully cured, sand the surface to ensure it is smooth and even.
Repeat if necessary: Depending on the desired finish and the quality of the initial application, it may be necessary to apply a third layer of fibreglass resin.
4.1 Mix and Apply the Second Layer of Resin
After the first layer of resin has dried, it’s time to apply the second layer. Mix the resin according to the manufacturer’s instructions, making sure to wear appropriate protective gear. You may need to add a catalyst to the resin in order to make it harden properly.
Use a roller brush to apply the resin in long, even strokes, making sure to work out any bubbles as you go. Work on one small section at a time, overlapping each section slightly to ensure full coverage.
Make sure to apply a generous amount of resin to any corners or edges, as these areas can be prone to cracking or damage over time.
Once you’ve finished applying the second layer of resin, allow it to dry completely according to the manufacturer’s instructions before moving on to the next step.
4.2 Smooth Out the Surface and Remove Any Air Bubbles
After applying the second layer of resin, it’s important to smooth out the surface to ensure a nice finish. Use a roller to spread out the resin evenly and remove any air bubbles that may have formed during the application process. A putty knife can also be used to smooth out any rough areas or ridges.
Be sure to wear protective gloves and use caution while smoothing out the surface to avoid any injuries. Work quickly to smooth out the surface before the resin begins to harden. Keep an eye out for any areas that may need additional resin or smoothing.
Allow the second layer of resin to dry completely before moving on to the final steps of the fibreglass pool resurfacing process.
Step 5: Sanding and Cleaning the Fibreglass Surface
After the second layer of fibreglass resin has fully cured, it’s time to prepare the surface for painting or further treatment. This involves sanding down the surface of the fibreglass to create a smooth finish.
Start by using a fine-grit sandpaper to sand down any rough spots or bumps. Be careful not to sand through the fibreglass layers, as this can weaken the structure. Once you’ve sanded the entire surface, wipe it down with a clean, damp cloth to remove any dust or debris.
If you plan to paint the fibreglass surface, you may want to use a tack cloth to remove any remaining dust or debris. A tack cloth is a sticky cloth that’s specifically designed for cleaning surfaces before painting.
After cleaning the surface, you should inspect it for any imperfections. If you find any holes or cracks, you can fill them in with a fibreglass repair kit. Simply mix the resin and hardener together, apply it to the damaged area, and wait for it to cure.
Finally, wipe down the entire surface with a clean, dry cloth to remove any remaining debris or dust. At this point, the fibreglass surface should be smooth and clean, ready for further treatment or use.
5.1 Sand the Surface to Remove Rough Spots and Uneven Areas
Step 1: Use an electric sander or sandpaper to sand the entire surface of the fibreglass to remove any rough spots and uneven areas.
Step 2: Begin with a rough grit sandpaper and then move to a finer grit to achieve a smooth finish.
Step 3: Pay close attention to any corners, edges, and curves, making sure to sand them evenly and without creating any deep grooves or scratches.
Step 4: Use a soft-bristled brush or vacuum to remove any dust or debris left on the surface.
Step 5: Wipe the surface with a clean, damp cloth to remove any remaining debris or residue.
5.2 Clean the Surface to Remove Any Residue and Debris
After sanding the surface, it’s important to clean it thoroughly to remove any debris or residue. Use a vacuum cleaner or a broom to remove any sanding dust or loose debris from the surface. Next, use a damp cloth or sponge to wipe the surface clean. Make sure to remove any dirt or grime that may have accumulated on the surface.
For best results, use a degreaser or a cleaning solution to remove any stubborn residue or stains. Apply the solution to the surface and let it sit for a few minutes before scrubbing with a stiff-bristled brush. Rinse the surface with clean water and allow it to dry completely before moving on to the next step.
It’s important to note that if the surface is not properly cleaned, the new layer of fiberglass resin may not adhere properly, which can compromise the overall durability and strength of the fiberglass coating.
5.3 Check for Any Imperfections and Repair as Needed
Once the fibreglass surface is sanded and cleaned, it’s important to carefully inspect it for any imperfections. Look for cracks, air bubbles, or other defects that could compromise the structural integrity of the pool. If any imperfections are found, they must be repaired before proceeding with the final steps of the process.
Minor imperfections can often be filled in with a patching compound and sanded down to create a smooth surface. For larger imperfections, additional layers of fibreglass matting and resin may be necessary to reinforce the damaged area.
Remember to allow sufficient time for the repair materials to cure fully before continuing with the final steps of the process. Rushing this step can lead to further damage and compromise the durability of the finished product.
Step 6: Applying the Topcoat
After the fibreglass surface has been sanded and cleaned, it’s time to apply the topcoat. The topcoat serves as a protective layer for the fibreglass, ensuring its durability and longevity.
When applying the topcoat, it’s important to use a high-quality brush to ensure a smooth and even application. Make sure to work in small sections, applying the topcoat in thin, even coats.
Once the topcoat has been applied, it’s important to let it dry completely before using the pool. This will typically take 24-48 hours, depending on the weather conditions and the specific topcoat being used.
6.1 Mix and Apply the Topcoat to the Fibreglass Surface
Mix the topcoat: Follow the manufacturer’s instructions to mix the topcoat. Typically, this involves mixing the resin with the hardener and then adding any pigments or additives as needed.
Apply the topcoat: Using a brush or roller, apply the topcoat to the fibreglass surface, making sure to apply a smooth and even layer. It’s important to work quickly, as the topcoat will begin to harden within a few minutes.
Let the topcoat cure: Once the topcoat is applied, let it cure according to the manufacturer’s instructions. This may take anywhere from a few hours to a few days, depending on the specific product used.
Step 7: Filling and Enjoying Your Fibreglass Pool
Once the topcoat has dried completely, it’s time to fill your fibreglass pool with water. Depending on the size of your pool, this may take some time, so be patient.
Once the pool is full, it’s important to test the water chemistry and adjust the chemicals as needed to ensure the water is safe and clean for swimming. This includes testing and adjusting the pH, alkalinity, and chlorine levels.
Once the water chemistry is balanced, it’s time to enjoy your new fibreglass pool! Be sure to follow any safety guidelines provided by the manufacturer and take proper care of your pool to ensure it lasts for years to come.
Regular maintenance, such as cleaning the pool, checking and adjusting chemical levels, and ensuring proper filtration, will keep your pool looking and functioning its best.
7.1 Fill the Pool with Water and Test for Proper Chemical Balance
After the topcoat has fully cured, it’s time to fill your fibreglass pool with water. It’s important to fill it slowly to prevent any damage to the shell. Once the pool is full, you’ll need to test the water for proper chemical balance. This involves checking the pH, chlorine levels, and total alkalinity.
It’s crucial to maintain proper chemical levels to prevent damage to your pool and ensure it remains safe for swimmers. You can use a test kit or take a sample to your local pool store for analysis. Adjust the chemicals as needed to maintain the proper balance.
It’s recommended to have a professional perform a complete water test and balance upon initial fill and at least once per year thereafter to ensure the longevity of your fibreglass pool.
Once you’ve tested and balanced the water, you’re ready to enjoy your newly installed fibreglass pool!
7.2 Add Any Optional Features, Such as Lighting or Water Features
Adding optional features to your outdoor space can transform it into a true oasis. Whether it’s lighting, water features, or other additions, there are a variety of options to choose from. One popular choice is fountains. Fountains can be a stunning centerpiece and add a peaceful sound to your space. They come in a range of styles and sizes, so you’re sure to find one that suits your taste and budget.
Lighting is another great option to add ambiance to your outdoor space. There are a range of lighting options available, from overhead string lights to small lanterns that can be placed on tables. Consider adding lighting to your garden beds or trees for a dramatic effect. A well-lit outdoor space will allow you to enjoy your space well into the night.
Adding fire features can be an excellent choice for cooler months, allowing you to extend the use of your outdoor space throughout the year. Fire pits and outdoor fireplaces come in a variety of sizes and styles, from traditional stone designs to sleek modern options. Adding seating around the fire pit or fireplace will create a cozy gathering spot for friends and family.
- Waterfalls
- Ponds
- Outdoor showers
- String lights
- Outdoor speakers
- Built-in seating
In addition to the above options, you may also want to consider adding outdoor kitchens or bars to your space. Outdoor kitchens can range from a simple grill and countertop to a full-scale kitchen with all the bells and whistles. An outdoor bar can be a fun addition, allowing you to entertain guests while enjoying the outdoors.
| Optional Features | Cost Range | Difficulty Level |
|---|---|---|
| Fountains | $$ – $$$$ | Easy – Moderate |
| Fire Features | $$ – $$$$ | Moderate – Difficult |
| Outdoor Kitchens | $$$ – $$$$$ | Difficult |
| Bars | $$ – $$$$ | Easy – Moderate |
| String Lights | $ – $$ | Easy |
| Built-In Seating | $$ – $$$$ | Moderate |
Adding optional features to your outdoor space can be a fun and exciting way to personalize your space and make it your own. Whether it’s a simple addition like string lights or a more complex project like an outdoor kitchen, there are a range of options available to fit any budget and skill level.
7.3 Relax and Enjoy Your Beautiful New Fibreglass Pool
Congratulations! Your beautiful new fibreglass pool is complete and ready for you to enjoy. It’s time to sit back, relax, and soak up the sun while enjoying the crystal clear water of your new pool.
Now that the installation is complete, it’s important to maintain your pool to keep it looking as good as new. Regular cleaning and maintenance will ensure that your pool stays in top condition for years to come. Regularly checking the pool’s pH balance and chlorine levels is essential to keep the water clean and safe for swimming.
If you have children, make sure to establish some basic pool rules to ensure their safety. Always supervise them when they are in or near the pool, and consider installing a fence or safety cover to prevent accidents. Additionally, make sure that all pool equipment, including ladders and diving boards, are secure and in good condition.
- Remember to cover your pool when it’s not in use to keep debris out of the water.
- Regularly skim the surface of the water to remove leaves, bugs and other debris.
- Brush the walls and floor of the pool to prevent algae growth.
- Backwash your filter regularly to remove dirt and debris.
- Check your pool’s water level regularly, especially during hot and dry weather, and add water as needed.
- If you have a pool heater, make sure to turn it off when the pool is not in use to save energy and extend the life of the heater.
By following these simple maintenance tips, you can keep your pool looking great and ensure that it lasts for years to come. So sit back, relax, and enjoy your beautiful new pool!
Frequently Asked Questions
What is the process of preparing a concrete pool for fibreglassing?
Before applying fibreglass to a concrete pool, it is crucial to properly prepare the surface. This typically involves thoroughly cleaning the pool, sanding down any rough patches, filling in any cracks, and ensuring that the surface is completely dry before beginning the fibreglassing process.
What materials are needed to fibreglass a concrete pool?
To fibreglass a concrete pool, you will need a variety of materials, including fibreglass matting, fibreglass resin, hardener, a roller or brush for application, and safety equipment such as gloves and a mask. It is important to use high-quality materials to ensure the best results and the longevity of the fibreglass coating.
Can fibreglass be applied directly to a concrete pool?
No, fibreglass cannot be applied directly to a concrete pool. It is important to first apply a layer of resin to the surface, followed by fibreglass matting, and then additional layers of resin. This process helps to create a strong and durable bond between the fibreglass and the concrete surface.
How long does it take to fibreglass a concrete pool?
The amount of time it takes to fibreglass a concrete pool can vary depending on the size and complexity of the pool, as well as the experience level of the person doing the work. However, a typical fibreglassing job can take anywhere from a few days to a few weeks to complete.
Can fibreglass be used to repair cracks in a concrete pool?
Yes, fibreglass can be used to repair cracks in a concrete pool. To do this, the cracked area must first be cleaned and sanded down. Then, a layer of fibreglass matting is applied to the area using resin, and additional layers of resin are added as needed until the surface is smooth and level.
What are the benefits of fibreglassing a concrete pool?
Fibreglassing a concrete pool offers a variety of benefits, including increased durability, resistance to damage from harsh chemicals, and improved aesthetic appeal. Additionally, fibreglass coatings can help to extend the lifespan of a concrete pool and reduce the need for regular maintenance and repairs.