New boat? Protect it in the first 90 days

What dealer prep actually does to a new hull

A new boat isn't a blank surface. Most gelcoat hulls are compounded by the builder after they come out of the mold, and that pass with rubbing compound leaves fine swirl marks in the gelcoat before the boat ever reaches the dealer. Add mold-release residue that isn't always fully washed off, and what looks like a perfect finish under showroom lighting is usually a lightly hazed, unprotected surface waiting for sun.

Dealer prep is a wash, a wipe-down and, at best, a coat of wax. That's fine for delivery day. It isn't protection. Wax survives weeks to a few months in South Florida, and carnauba products can be gone in one to three. Gelcoat is porous, and without a real layer over it, UV starts breaking down the resin from the first week the boat sits at the dock. The myth is that new gelcoat gets a grace period. It doesn't.

Why we coat before the first season, not after it

West Palm Beach runs a UV index of 12 — past the 11 where the scale's "extreme" band starts — from April through August, with a burn time of about ten minutes. That's the environment a new boat is delivered into, whether it's tied up at Sailfish Marina in Palm Beach Shores or sitting on a lift behind a house in Lighthouse Point. The cleanest surface a hull will ever have is the day it's delivered. Coating it then means the ceramic bonds to fresh gelcoat instead of sealing in six months of salt and early chalk.

On a new boat the prep is short: decontamination, a single refining polish to clear the factory swirls, a panel wipe, then the coating. There's nothing to cut, so a new hull is the least labor a coating install will ever take — one more argument for doing it now rather than after a season of salt and sun. We quote each boat individually on size and condition; our ceramic coating page explains what goes into the number and what to expect from the system we install.

After installation, keep the boat out of the water for the first 24–48 hours and skip soap and scrubbing for the first two weeks while the coating finishes curing — a gentle fresh-water rinse after the first 48 hours is generally fine, and we give the exact window for the system we install. We hand over written first-wash timing and a maintenance plan with every coating, because the coating's life depends more on the months after we leave than on the day we're there.

Stainless and hardware: stop tea staining before it starts

Brand-new rails, rod holders, hinges, and cleats are usually 316 stainless, and 316 is the minimum grade recommended anywhere within about five kilometers of surf — which takes in nearly every dock on the Intracoastal from Jupiter Inlet to Port Everglades. Even 316 stains. Salt sits in a crevice or under a rod-holder flange, the passive layer breaks down locally, and you get the brown film owners mistake for rust. Tea staining is cosmetic, not structural, but on a 90-day-old boat it's the first sign the maintenance program isn't keeping up.

The fix is simple and boring: a fresh-water rinse over every piece of hardware after every salt run, mild soap and a clean cold rinse at each wash, and a polish-and-seal on the metals within the first month. A surface smoother than about 0.5 µm Ra is markedly less prone to staining, which is why machine-polished rails hold up better than the brushed finish that ships on some hardware. "Marine grade" means the metal resists staining, not that it's immune — it still needs the rinse.

SeaDek, non-skid, and the first sunscreen stains

SeaDek is closed-cell EVA foam, and in its first 90 days it takes sunscreen, fish blood, and shoe scuffs faster than most owners expect. SeaDek's own guidance is dish soap or an all-purpose cleaner, warm water, and a medium-bristle brush; for stubborn stains, one cup of bleach per gallon of water with a soft brush. Their published do-not-use list includes Armor All, Simple Green, Meguiar's Car Wash, and Woody's Wash and Wax. Pressure washers only at low PSI with a wide-angle tip, and never aimed at the pad edges.

Rust rings on SeaDek usually trace back to stainless above it — a rod holder or hinge dripping tea stain after a salt run — or to a hook or tackle left on the pad. A capful of vinegar or oxalic acid lifts the mark, kept off the edges so the lamination isn't damaged. On molded non-skid, keep wax and dressings off it entirely; slick non-skid is a liability, and residue in the texture is what turns it grey. SeaDek's own guidance calls for no dressing at all — clean it, rinse it, and leave it.

Setting the wash cadence for how she lives

Weekly for boats that live in the water and run on weekends. Bi-weekly for lift-kept boats. Monthly for dry-stacked boats — PORT 32 in Fort Lauderdale racks boats up to 55 feet and Palm Beach Yacht Center handles 15 to 38 feet, and both keep the hull out of the sun, but the forklift rinse doesn't reach under rod holders or inside hinges. Whatever the cadence, the wash is the same: fresh water, coating-safe soap, chamois dry, glass and stainless wiped spot-free.

One Palm Beach County specific: the Loxahatchee is a tannic, tea-colored river — one of only two federally designated Wild and Scenic rivers in Florida — and boats kept up the river in Jupiter or run through the inlet after heavy rain pick up a brown waterline stain that sets quickly on bare gelcoat. On a coated hull it wipes off at the next wash; on dealer wax it sets into the gelcoat and takes an acid wash to lift. Our boat washes and maintenance program is quoted per boat and per cadence, and the first month is when we set it.

The whole 90-day plan is short: coat before the first season, rinse the metal every trip, keep the wrong chemicals off the SeaDek, and put the boat on a schedule before the first stain, not after it. Whether it's a 24-foot bay boat in Boynton Beach or a 60-foot sportfish at Sailfish Marina, the plan doesn't change. The boats on our route that still look delivered three seasons in are the ones that started this way.

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