Washing, waxing and seasonal yacht care
How to wash, de-iron and protect gelcoat with wax or a coating so the laminate keeps its gloss all season.
Caring for the hull starts with washing it thoroughly. Rinse the deck and topsides with fresh water to remove salt and loose dirt, then wash the boat with a dedicated shampoo of neutral or slightly alkaline pH, using a soft brush on a telescopic pole. Work in sections from the top down, so that dirty water does not dry on surfaces you have already washed. Avoid aggressive household detergents — they attack the wax and dry out seals and plastics.
White gelcoat often shows rust runs from stainless hardware and yellow water staining. Acid products based on oxalic acid or specialist laminate stain removers (hull cleaner) are used to remove them. Apply them locally, do not let them dry and rinse generously, protecting your eyes and hands. Remember that acids dull the gloss, so after using them that area has to be polished and waxed again.
If the gelcoat is dull and chalking, washing alone is not enough — abrasive restoration is needed. Start with the mildest compound (oxidation remover / restorer) applied with a rotary-orbital polisher at medium speed with a wool pad or a medium-hard foam one. Only with deep oxidation reach for coarser compounds or wet abrasive paper in 1500–2000 grit, finishing with a finishing polish. Do not overheat the gelcoat or wear through it, especially at the edges.
Once polished, a protective layer goes on. Classic carnauba wax gives a deep, warm gloss and is cheap, but usually lasts one season and a few washes. Polymer sealants and coatings based on resins and nanoparticles (and, in the most durable form, SiO2 ceramic coatings) protect for longer and are more resistant to UV and salt, but they need a clean, degreased surface and careful spreading. Apply wax thinly, let it haze and buff it off with clean microfibre.
Do not forget the parts beyond the hull. Feed plastics and rubber (rubbing strakes, seals, fenders) with silicone or polymer-based products, which restore the colour and protect against cracking from UV. Clean polycarbonate and acrylic windows only with ammonia-free products and a soft cloth, because ammonia and grit cause micro-scratches and hazing. After washing, it is worth wiping stainless steel with polishing compound and applying a thin film of wax, which slows down staining.
The interior and the deck need separate attention. Wash teak along the grain with a soft brush and a mild product, avoiding hard scrubbing across it, which washes out the soft spring wood and creates grooves. Clean upholstery and foul weather gear with products for technical fabrics and, once dry, refresh the water-repellent treatment. Good seasonal care means washing after every trip, waxing once or twice a season and checking the anodes, seals and small hardware while you are at it.
Finally, plan the work around the weather and your own comfort. Polish and wax in the shade, on a cool surface — wax applied in full sun dries too fast and is hard to spread. Set up staging or a stable ladder so you can reach the whole topside without over-stretching. Keep a simple care log: the date of washing, the products used and the state of the coating — that lets you judge how long a given protection really lasts and plan the next treatment.
Material prices — products and options
Indicative prices in EUR (incl. VAT), as of July 2026. Products widely available in Europe; prices depend on the shop, the pack size and consumption. The links lead to example shops that ship across the EU. Dollar amounts are converted at 1 EUR = 1.1622 USD (ECB, 7 September 2026) and rounded — treat them as a rough guide, not a price in a US shop. Imperial values in brackets are conversions of the metric figure.
pH-neutral boat shampoo
- Yachticon — Sea Shampoo
budget concentrate for washing topsides and deck, works in salt water too€8–9 (≈$9–10) - Yachticon — Boat Wash
all-purpose, environmentally friendly shampoo for every material, including teak€11–13 (≈$13–15) - Star brite — Boat Shampoo
concentrated formula that removes grease and dirt, safe for wax€12–14 (≈$14–16) - International — Boat Shampoo
branded shampoo for regular washing of hull and deck€12–16 (≈$14–19)
Soft brush on a telescopic pole and microfibre cloths
- Yachticon — microfibre cloths (5 pcs)
set of cloths for washing, polishing and spreading wax€8–9 (≈$9–10) - Yachticon — aluminium telescopic pole
anodised pole with a quick-release system, for deck brushes€26–28 (≈$30–33) - Deckmate — soft brush (DM120)
all-purpose soft deck brush that fits a telescopic pole€25–27 (≈$29–31) - Deckmate — extra soft brush (DM110)
for delicate, glossy surfaces that scratch easily€30–32 (≈$35–37)
Stain remover for gelcoat (oxalic acid / hull cleaner)
- Yachticon — Rust Stain Remover Gel
gel for rust runs, stays put on vertical topsides — 500 g (18 oz)€10–12 (≈$12–14) - Yachticon — Hull & Gelcoat Cleaner
acid cleaner for staining and discolouration of gelcoat — 500 ml (17 fl oz)€13–15 (≈$15–17) - Yachticon — Yellow Stain Remover
for yellow water staining on white gelcoat — 500 ml (17 fl oz)€14–16 (≈$16–19) - Star brite — Hull Cleaner
effective product for removing the waterline stain and discolouration of laminate€22–24 (≈$26–28)
Polishing compound for oxidised gelcoat
- Yachtcare — Refinish Polishing Paste (coarse)
budget coarse compound for heavily oxidised gelcoat — 500 g (18 oz)€15–20 (≈$17–23) - Yachticon — High Speed Polish
polishing compound for machine use, restoring gloss — 500 ml (17 fl oz)€20–23 (≈$23–27) - Star brite — Premium Marine Polish with PTEF
cleaning and finishing polish with PTFE for gelcoat and metal€25–35 (≈$29–41) - 3M — Perfect-It Gelcoat Compound + Polish
professional one-step compound for removing oxidation and scratches — 946 ml (32 fl oz)€40–55 (≈$46–64)
Rotary-orbital polisher with pads
- ShineMate — dual action polisher
budget DA orbital machine with speed control, pad set included€90–150 (≈$105–174) - Flex — XCE 8-125 / PE 14
forced oscillation or rotation, workshop class for large areas€300–450 (≈$349–523) - Rupes — BigFoot LHR 15/21 Mark III
premium long-throw DA polisher, safe on gelcoat and paint€350–500 (≈$407–581) - Flexipads / Rupes — polishing pads (set)
foam and wool pads: cutting, polishing and finishing€8–20 (≈$9–23)/pc
Carnauba wax or a polymer/ceramic coating
- Yachticon — Boat Wax
carnauba + acrylic wax, warm gloss, protection for a season€17–19 (≈$20–22) - Yachtcare — Boat Wax
carnauba wax for gelcoat, protection from UV and salt€22–24 (≈$26–28) - Star brite — Premium Cleaner & Wax
cleaning and waxing in one step, with PTEF€27–35 (≈$31–41) - Yachticon — Sealer NANO 12 (coating)
durable nano/polymer coating, longer protection than wax€27–30 (≈$31–35)
Product for plastics and rubber (UV protection)
- Yachticon — Fender Fresh
cleans fenders and rubber of dirt, grease and marks€13–19 (≈$15–22) - Star brite — Inflatable Boat Cleaner & Protectant
cleans and protects inflatables/plastics, PTEF layer with UV protection€26–28 (≈$30–33) - Star brite — Vinyl Protection
restores and protects vinyl, rubber and plastics from cracking and fading — 500 ml (17 fl oz)€30–34 (≈$35–40)
Nitrile gloves and safety glasses
- ULTRA — protective gloves (nitrile)
close-fitting nitrile-coated gloves, resistant to grease — size M/L€6–10 (≈$7–12) - 3M — safety glasses/goggles
comfortable goggles, can be worn over prescription glasses€10–14 (≈$12–16) - Disposable nitrile gloves (pack of 100)
for working with acids and compounds, thrown away rather than washed€8–15 (≈$9–17)