Get Your Boat Ready: How to Properly Install EVA Foam Decking on Your Sea-Doo Swim Platform

Get Your Boat Ready: How to Properly Install EVA Foam Decking on Your Sea-Doo Swim Platform - HJDECK

Welcome to our comprehensive guide on installing EVA foam decking on your Sea-Doo swim platform. Adding EVA foam decking not only enhances the appearance of your boat but also provides a comfortable and safe surface for your water activities. In this article, we will walk you through the step-by-step process of installing EVA foam decking on your Sea-Doo swim platform, ensuring a proper and professional installation.


Preparing for Installation

Gathering the Necessary Tools and Materials

Before you begin installing EVA foam decking on your Sea-Doo swim platform, it is essential to gather all the necessary tools and materials. Having everything prepared beforehand will ensure a smooth and efficient installation process. Here are the tools and materials you will need:


  • - Measuring tape or ruler
  • - Utility knife or sharp blade
  • - Straight edge or ruler
  • - Pencil or marker
  • - Heat gun or hairdryer (optional, for shaping and trimming the decking)
  • - Adhesive spreader or trowel
  • - Roller or squeegee (for smoothing out the adhesive and decking)


  • - EVA foam decking sheets (ensure you have enough to cover the entire swim platform)
  • - Adhesive (choose a marine-grade adhesive suitable for EVA foam decking)
  • - Solvent or cleaner recommended for your swim platform surface
  • - Clean cloth or sponge for applying the solvent/cleaner
  • - Masking tape or painter's tape (for securing the decking during installation)

Make sure you have all the tools and materials readily available to avoid interruptions during the installation process.

Cleaning and Preparing the Swim Platform Surface

Before applying the adhesive and installing the EVA foam decking, it is crucial to thoroughly clean and prepare the swim platform surface. This step ensures optimal adhesion and a long-lasting installation. Follow these steps to clean and prepare the swim platform:

1. Remove any existing non-skid surfaces, adhesive residue, or debris from the swim platform. Use a scraper or brush to gently scrape off any stubborn residue.

2. Prepare a solvent or cleaner suitable for your specific swim platform surface. Follow the manufacturer's instructions for application and use a clean cloth or sponge to apply the solvent/cleaner. Thoroughly clean the entire swim platform surface, removing any dirt, grease, or contaminants.

3. Rinse the swim platform with clean water to remove any remaining solvent or cleaner residue. Ensure that the surface is completely dry before proceeding to the next step.

4. Inspect the swim platform for any damages or irregularities. Repair or address any issues, such as cracks or uneven surfaces, before proceeding with the installation.


Measuring and Cutting the EVA Foam Decking

Accurate measurements and precise cutting are essential for achieving a proper fit and professional-looking installation of EVA foam decking on your Sea-Doo swim platform. In this step, we will guide you through the process of measuring the swim platform and cutting the EVA foam decking to fit perfectly.

Taking Accurate Measurements of the Swim Platform

To begin, gather your measuring tape or ruler and carefully measure the dimensions of your Sea-Doo swim platform. Start by measuring the length and width of the platform, ensuring you capture the full dimensions.

Take note of any irregularities, such as curves, cutouts, or angled edges, as these will require additional measurements and precise cutting. Use the measuring tape or ruler to measure the specific dimensions of these areas accurately.

It's essential to be as precise as possible when taking measurements to ensure the EVA foam decking fits snugly and covers the entire swim platform surface.

Using Templates or Tracing the Swim Platform Shape

If you prefer a more straightforward approach to cutting the EVA foam decking, you can create templates or trace the shape of your swim platform onto a large piece of paper or cardboard.

Place the paper or cardboard over the swim platform and carefully trace the outline, including any irregularities or cutouts. Take your time to ensure an accurate representation of the swim platform shape.

Once you have the template or tracing, you can transfer it onto the EVA foam decking sheets for precise cutting.

Cutting the EVA Foam Decking to Fit

Using the measurements or template, carefully transfer the swim platform shape onto the EVA foam decking sheets using a pencil or marker. Double-check the measurements and markings to ensure accuracy before proceeding with cutting.

Using a utility knife or sharp blade, carefully cut along the marked lines. Take your time and use a straight edge or ruler to guide your cuts, ensuring clean and straight edges.

For irregular shapes or cutouts, you may need to make additional markings and use a smaller blade or scissors to make precise cuts. Pay close attention to detail to ensure a seamless fit around the swim platform's edges and any irregular areas.

Remember to exercise caution when using sharp tools and always cut away from your body to prevent any accidents or injuries.

If you are worried that your measurements are not precise enough, you can contact HJDECK to tell them your boat model, and they will design drawings to cut the exclusive EVA Foam Decking perfectly by machine.


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Applying the Self-Adhesive EVA Foam Decking

Preparing the Swim Platform Surface

Before applying the self-adhesive EVA foam decking, it's important to ensure that the swim platform surface is clean and free of any dirt, debris, or residue. Use a solvent or cleaner recommended for your swim platform material to thoroughly clean the surface. Allow it to dry completely before proceeding.

Measuring and Cutting the Decking

Start by measuring the dimensions of your swim platform using a measuring tape or ruler. Transfer these measurements onto the self-adhesive EVA foam decking sheets and mark the areas that need to be cut.

Using a sharp utility knife or scissors, carefully cut along the marked lines to create pieces of decking that will fit your swim platform precisely. Take your time to ensure clean and accurate cuts.

Applying the Self-Adhesive Decking

Peel off a small section of the protective backing from the self-adhesive EVA foam decking. Align the exposed edge with one side of the swim platform and carefully press it down, starting from one end and moving towards the other.

As you press down, use a roller or your hand to smooth out any air bubbles or wrinkles, ensuring good adhesion between the decking and the swim platform surface. Repeat this process for the remaining sections of decking, working in small increments.

Pay special attention to the edges and corners, making sure they are securely attached. Use a roller or your fingers to firmly press and smooth out the decking, ensuring a tight bond.

Curing and Finishing Touches

Once the self-adhesive EVA foam decking is applied, allow it to cure for the recommended period of time specified by the manufacturer. This curing time is important for the adhesive to fully bond with the swim platform surface.

After the curing period, inspect the decking for any loose edges or areas that may require additional attention. If needed, apply additional pressure and smoothing to ensure a secure and seamless installation.

At this point, you can also add any finishing touches or customization options to personalize your swim platform. This may include adding non-slip patterns, logos, or trim pieces, depending on your preferences.

Cleaning and Maintenance

To keep your EVA foam decking in optimal condition, regularly clean it with a mild soap or detergent and water. Avoid using harsh chemicals or abrasive cleaning tools that may damage the surface.

Inspect the decking periodically for any signs of wear, damage, or loose edges. Address any issues promptly to ensure the longevity and performance of your EVA foam decking.

Installing the EVA Foam Decking

Now that you have prepared the swim platform and cut the EVA foam decking to size, you can proceed with the installation process. Follow these steps to install the decking:

Aligning the Decking with the Swim Platform

Begin by aligning one edge of the EVA foam decking with one side of the swim platform. Take your time to ensure that the decking is properly aligned and centered on the platform. You can use a measuring tape or ruler to check the alignment.

Make sure there is an even overhang of the decking on all sides of the swim platform. This will allow you to trim the excess later for a precise fit.

Pressing and Smoothing Out the Decking

Once the decking is aligned, start pressing it down onto the swim platform surface. Begin at the aligned edge and work your way towards the other edges.

Apply firm and even pressure to ensure that the adhesive backing adheres well to the swim platform. You can use your hands or a roller to press down on the decking and smooth out any air bubbles or wrinkles as you go along.

Continue this process until the entire decking is securely attached to the swim platform surface.

Trimming Excess Decking and Creating Cutouts

After the decking is fully adhered, you may have excess material extending beyond the edges of the swim platform. Use a sharp utility knife or scissors to carefully trim away the excess decking. Follow the contour of the swim platform to create clean and precise edges.

If your swim platform has any features such as handles, brackets, or other obstructions, you will need to create cutouts in the decking to accommodate them. Measure the dimensions of the features and mark them on the decking.

Using a utility knife or a suitable cutting tool, carefully cut out the marked areas. Take your time and make precise cuts to ensure a proper fit around the features.

Once the excess decking is trimmed and any necessary cutouts are made, inspect the installation to ensure that everything is securely in place and the edges are clean and neat.



By following the proper installation process outlined in this guide, you can have a professionally installed EVA foam decking on your Sea-Doo swim platform. Not only will it enhance the appearance of your boat, but it will also provide a comfortable and safe surface for your water activities. Remember to take accurate measurements, use the right adhesive, and allow sufficient time for the adhesive to cure. With proper maintenance, your EVA foam decking will provide years of enjoyment on the water.

We hope this guide has been helpful in assisting you with the installation of EVA foam decking on your Sea-Doo swim platform. If you have any further questions or need assistance, please feel free to reach out to our knowledgeable team. Happy boating!


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