How to Clean Rubber Marine Flooring in Florida

Rubber flooring is low-maintenance, and the routine is short. Here’s how to clean it, and what to keep away from it.

The 30-second answer

For routine cleaning of marine rubber flooring in Florida: rinse with fresh water after every trip, and scrub with a soft-bristle deck brush and a powdered cleanser like Comet or Ajax when it needs it. Bleach works too, and it is safe at a 3:1 mix ratio. That’s it. No magic chemicals, no specialty kits, no specialty sprays.

Skip the liquid dish and boat soaps, which leave a slick film that builds up over time. Because the rubber is solid with no open pores, it does not hold stains, so you rarely need anything harsh.

All of this comes from our care and warranty sheet, which you can download and keep on the boat.

The after-every-trip rinse

Rinse your deck with fresh water before you leave the ramp parking lot. Whether you’re coming off Maximo Park, Demens Landing, or the ramp at Coffee Pot Bayou, salt is the enemy that compounds every other problem. Salt crystals are abrasive, and they accelerate fade on adjacent gel coat.

A quick rinse with a standard garden hose does most of the work of keeping your floor looking new. A pressure washer is fine at 2000 PSI or less, with the nozzle at least 12 inches from the floor.

The scrub

When it needs it, give it a real cleaning. Here’s the process:

Rinse the deck thoroughly with fresh water to lift loose salt and sand.
Sprinkle a powdered cleanser like Comet or Ajax onto the wet deck, or mix bleach in a bucket at a 3:1 mix ratio.
Work it in with a soft-bristle deck brush. Work in small sections.
Don’t let it dry on the deck.
Scrub with light pressure.
Rinse completely so no cleanser residue is left behind.

Comet, Ajax, and a watered-down bleach solution are cheap and easy to find. Skip the liquid boat and dish soaps: they build up a slick film that attracts grime, and because the rubber has no pores to soak into, you do not need them.

The twice-a-year deep clean

In spring (before tarpon season) and fall (after the summer beating), do a deeper clean. Same cleanser, same soft-bristle brush, and spend extra time on the edges around hatches and the high-traffic zones in front of the console and the leaning post.

This is also a good time to look the floor over. It is installed once and carries a lifetime warranty on recreational boats (10 years on captain and commercial boats). After 8 to 10 years of heavy use some granules can begin to release, and it is still a full, usable floor. If anything looks off, call the shop. More on what to expect in our Florida lifespan guide.

What NOT to use, ever

Keep these off your deck:

Liquid dish and boat soaps. They leave a film that builds up over time and gets slick when wet. A powdered cleanser or a watered-down bleach solution does the job without the residue.
Acetone, MEK, or other solvents. Keep solvents off the deck.
Gasoline or diesel. If you spill fuel, blot it up immediately with absorbent pads, then wash the area with a powdered cleanser. Petroleum products left on the floor damage the binder.
Acid-based hull cleaners. Oxalic and hydrochloric acid cleaners belong on the hull below the waterline. Keep them off your deck.
Steel wool, wire brushes or Scotch-Brite pads. Stick with a soft-bristle brush or a deck brush.
A pressure washer held too close. Keep it at 2000 PSI or less and the nozzle at least 12 inches away. Damage from a pressure washer held too close or set too strong is not covered by the warranty.

Stain-specific tactics

The rubber does not hold stains, but Florida boats see plenty of mess. Here’s what works on each.

Fish blood

Rinse with cold water first, since hot water sets the protein. Then scrub with a powdered cleanser and a soft-bristle brush. For dried-on blood from a Friday trip you didn’t get to until Sunday, wet it down, sprinkle on Comet or Ajax, scrub, and rinse. Works on snapper, kingfish, and the inevitable Spanish mackerel slick.

Sunscreen

Hit it with a powdered cleanser and a soft brush, or use a watered-down bleach solution. Rinse sunscreen off before it bakes in.

Fuel and oil

Blot immediately with absorbent pads. Never wipe, wiping spreads it. After blotting, wash with a powdered cleanser and rinse thoroughly.

Algae and waterline scum

If you keep your Catalina or Bennington in a wet slip at Tierra Verde or Pasadena, you’ll see algae creep onto the swim platform and the cockpit edges. A watered-down bleach solution clears it. Apply, scrub with a soft-bristle brush, rinse.

Black scuff marks

From dock lines, fender rub, or dropped tackle. A powdered cleanser and a soft-bristle brush usually handle scuffs. Use light pressure.

The Tampa Bay reality check

If your boat lives in a covered slip at the Municipal Marina, you’ll need less frequent deep cleans. If it’s on a trailer in the driveway getting full Florida sun seven days a week, bump deep cleans to quarterly. Boats running John’s Pass and the Gulf side pick up more sand, so rinse them more often.

Ready to upgrade?

If you’re still fighting moldy marine carpet or chalky EVA foam every weekend, you’re cleaning the wrong floor. Check out finished decks in our gallery, or grab a free quote for your boat. You can also call the Tampa shop directly at (813) 434-0395 and talk to one of us about your specific layout.