EVA foam decking is closed-cell foam flooring cut to fit your deck and bonded down with a pressure sensitive adhesive. It grips when wet, does not soak up water, is softer underfoot than gelcoat, and cleans with soap and water. It also gets warm in the sun, can stain if certain spills are left on it, and only looks right when it is patterned to the boat and fitted with care.
That is the short version. The rest of this guide explains what the material is, where it goes, how it compares with marine carpet, and what to ask before you buy.
What the material is
EVA stands for ethylene vinyl acetate. Marine decking is made from closed-cell foam of EVA, often blended with polyethylene. Closed-cell means each tiny cell is sealed, so water sits on top rather than soaking in. One manufacturer notes that even a punctured sheet will not take on water, because the cells stay closed.
The same manufacturer describes its marine sheets as UV resistant, giving traction wet or dry, and absorbing shock and sound. On a fast boat the last two are not small things. A softer surface is easier on knees and feet over a long day, and the deck is quieter at speed.
The sheets come with a pressure sensitive adhesive on the back. The bond depends on the surface underneath being properly cleaned and prepared first, and on the texture of that surface. A heavily textured non-skid needs more care than smooth gelcoat.
Where it goes on a boat
EVA is not only for the cockpit floor. On a center console we cut it for:
- cockpit soles
- bow and casting decks
- steps
- coaming and gunwale pads
- helm pads and foot rests
- the transom and swim platform
Doing several areas at once is what makes a boat look finished. The colours, textures and pattern carry from the bow to the swim platform instead of stopping at the cockpit.
Patterned to your deck
The difference between a good EVA job and a poor one is mostly fit. We pattern the deck itself rather than working from a template made for the model, because two hulls of the same model rarely carry the same hatches, hardware and fittings. Faces are CNC-cut, so seams line up with the boat instead of nearly lining up.
Fit also has to allow for how the material behaves over time. One manufacturer states that its EVA can shrink by up to a quarter of an inch, and advises leaving a small gap between parts rather than butting sheets tight together. A layout that ignores that will open up uneven gaps later. A good layout plans for that from the start.
Colour, texture and pattern
EVA comes in a wide range of colours, two-tone sheets, brushed and embossed textures, and patterns routed into the surface, including faux teak lines. Logos and lettering can be cut in as well.
We choose colour, texture and tooling pattern alongside the upholstery when we do both. That is the reason the floor and the seats read as one interior instead of two separate jobs. See our guide to colours that survive the Florida sun for how the sun changes a colour decision.
Heat: the honest part
EVA gets warm in the sun, and darker colours get warmer. One manufacturer says so plainly in its own FAQ, and adds that the closed-cell structure lets the surface shed heat quickly once the sun is off it. If the boat lives uncovered in South Florida and people walk barefoot, colour choice matters more than texture. Lighter colours run cooler.
EVA or marine carpet
Neither is better in every case. They fail differently and feel different underfoot.
Carpet is quieter, warmer to the touch, cheaper to replace and forgiving over an uneven sole. It also holds water, and in Florida a set that never fully dries will eventually smell and stain.
EVA sheds water and cleans in seconds, costs more, and is a harder, hotter surface in the sun.
Snap-in carpet over a finished sole gives you some of both: it comes out to dry and comes out entirely when you want the boat bare. Our marine carpet page covers the carpet side in more detail.
Cleaning and stains
Fresh water and a soft brush handle almost everything. For heavier dirt, one manufacturer recommends soap, hot water and a brush, and warns against acid-based cleaners. We also ask owners to avoid harsh solvents and pressure washers.
EVA resists most stains, but one manufacturer lists fuel stabilizers, bird droppings, rust and mustard as substances that can mark it if they are not cleaned promptly. Our own warranty terms add fuel and sunscreen to the list of things to watch. Wipe spills straight away rather than leaving them to bake in.
What drives the cost
EVA varies more in cost than any other line we run, because a bare cockpit and a full deck with steps, coaming, helm pad and swim platform are different jobs on the same boat. What drives it is the area covered, the number of separate pieces, the colours and two-tone work, routed patterns and logos, and the condition of the surface underneath. We price it per job from photographs and measurements, and the price we quote is the price you pay unless you ask us to change the scope in writing.
Warranty
Our two year craftsmanship warranty covers our installation, from the date of final delivery, and it transfers to a new owner for the time remaining if you sell the boat. The EVA material itself is warranted by its manufacturer, and that warranty is passed through to you. Our terms do not warrant materials against staining or chemical damage, and fuel, sunscreen and heavy staining are excluded. Read the full detail in our article on what an upholstery warranty covers, or on our Terms page.
Send us photos
Photograph the areas you want covered, including steps, hatches and the swim platform, plus a wide shot of the deck. Send us the photos and we will price the decking from them.
Send us photos of the boat and we will price it from those.
Request a quote