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Paint Protection intermediate 11 min read

Keeping Your Caravan or Camper Spotless in the Aussie Summer

Your paint is under constant attack: UV rays, bird droppings, tree sap, and road grime. Protection isn't optional—it's essential.

Caravans and campers take a beating from the Australian sun, red dust, and coastal salt. This guide shows you how to properly clean and protect your rig so it actually lasts longer than a single trip to the Red Centre.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 27 February 2026
Keeping Your Caravan or Camper Spotless in the Aussie Summer

Aussie Conditions

Our intense UV breaks down waxes faster than overseas. Ceramic coatings last longer, but even they need topped up more frequently here.
Quick Summary

Look, if you've spent any time on the road, you know a caravan is basically a giant rolling target for every bit of road grime, bat poop, and red dust Australia can throw at it. This guide is for anyone from the weekend camper to the full-time grey nomad. I'm going to walk you through my exact process for getting a rig clean, keeping the UV from killing your gelcoat, and making sure that red dust doesn't become a permanent feature of your paintwork.

01

Real Talk: Why Caravans Are a Different Beast

Right, let's be honest. Cleaning a car is one thing, but tackling a 22-foot off-road caravan in the middle of a 40-degree February heatwave? That's a whole different kettle of fish. I've been detailing for over 15 years now, and I've seen some absolute shockers. I remember a bloke brought in a top-of-the-line Kedron that had been sitting under a gum tree in QLD for six months. Between the sap, the bat droppings, and the baked-on red dust from a Birdsville trip, the gelcoat looked like chalk. It took me three days just to bring some life back into it. The thing you've got to realise is that most caravans aren't painted like your car. They're often gelcoated fibreglass or aluminium checker plate. These surfaces are porous, and they absolutely hate the Aussie sun. If you leave red dust on there too long, the heat bakes it into the surface. If you let bird crap sit on it for a week in summer, it'll eat right through to the substrate. I've seen it happen more times than I can count. I learned the hard way years ago on my old man's Jayco. I used a cheap truck wash that was way too alkaline, did it in the direct sun, and ended up with massive white streaks down the side that I had to machine polish out. Never again. Now, I only use specific methods that account for our harsh UV and the sheer size of these rigs. You can't just 'she'll be right' your way through a caravan detail. You need a plan, the right gear, and a bit of elbow grease. This guide is basically everything I've learned from 15 years of scrubbing, polishing, and swearing at caravans in the Aussie heat.
02

The Ultimate Caravan Cleaning Kit

What You'll Need

0/13
Extendable Wash Pole with Soft Bristle Head — Don't get the cheap ones from the hardware store that feel like a broom. Get a proper soft-bristle head (like the Bowden's Own Big Booma) so you don't scratch the acrylic windows.
Two 20L Buckets with Grit Guards — One for soapy water, one for rinsing your mitt. Essential for not rubbing dirt back onto the van.
Dedicated Caravan/RV Wash — I reckon Autoglym Interior Shampoo or a pH-neutral high-lubricity soap like Meguiar's Gold Class works best. Avoid 'Truck Washes' as they're often too harsh for seals.
Microfiber Wash Mitts — Have at least three. One for the top half, one for the bottom (dirtier) half, and one for the wheels/chassis.
Non-Acidic Wheel Cleaner — P&S Brake Off or similar. Safe for those black alloy wheels or checker plate.
Pressure Washer with 40-degree Nozzle — Don't go too close to the seals or decals with a 0-degree nozzle or you'll peel them right off.
De-greaser (Multi-Purpose Cleaner) — Something like Koch Chemie Green Star for the chassis and A-frame.
Large Microfiber Drying Towels — The 'Big Softie' type. You'll need at least two for a full-sized van.
Acrylic Window Polish — Novus or similar. Caravan windows scratch if you even look at them funny.
Rubber/Seal Conditioner — 303 Aerospace Protectant is the gold standard here. Keeps seals from cracking in the sun.
Quality Ladder — A stable platform ladder is much safer than a leaning one when you're reaching for the roof.
Clay Bar or Nanoskin Mitt — For removing that 'sandpaper' feel from the front of the van after a long trip.
Iron Remover — I use Gtechniq W6. Great for getting rail dust or metallic fallout off the front panel.
03

Preparation: Don't Skip This

Tap each step to mark complete
01

Pick your time and place

Never, ever wash a caravan in the direct midday sun in Feb. You'll get water spots before you can even grab the hose. Start at 6:00 AM or wait until the arvo when the sun is low.

02

Seal the hatches

Check every window, roof vent, and door. Make sure the fridge vent covers are secure. I once saw a mate flood his kitchen because he forgot the rangehood vent was open.

03

Disconnect the power

Unplug from the 240v mains. Water and electricity don't mix, no matter how 'weatherproof' the socket claims to be.

04

Remove the awning accessories

Take off the privacy screens or rafters. Roll the awning out about a foot so you can clean the top of it, but don't leave it fully out if it's windy.

05

Pre-rinse the heavy stuff

Give the whole thing a good soak with just water to loosen the red dust and mud. Start from the top and work down.

04

The Step-by-Step Deep Clean

Tap each step to mark complete
01

Wheels and Undercarriage First

Always start here. If you do them last, you'll splash grease and dirt onto your clean panels. Use a degreaser on the A-frame and suspension. Chuck some wheel cleaner on the rims and agitate with a soft brush.

02

The Roof (The Forgotten Zone)

Get up on that ladder. This is where the solar panels and AC units live. Use your long pole and plenty of soapy water. If you've got bird crap, let it dwell under a wet rag for 5 minutes before scrubbing. Honestly, I wouldn't bother with a walk-on roof unless you're 100% sure the manufacturer says it's okay.

03

Snow Foam (Optional but Recommended)

If the van is filthy, hit it with a thick layer of snow foam. Let it sit for 5 minutes (not in the sun!) to emulsify the dirt. Rinse it off before it dries.

04

The Two-Bucket Wash

Starting from the top, wash one panel at a time. Use a horizontal motion, not circles. Circles cause swirl marks that look terrible in the sun.

05

Tackling the Front Shield

This is where the bugs die. Use a dedicated bug remover spray. If it's really bad, a clay mitt with plenty of soapy water will shave those bug guts right off without scratching.

06

Cleaning the Awning Fabric

While the van is wet, spray a mild soapy solution on the underside of the awning. Roll it up for 10 minutes to let the soap work, then unroll and rinse. It's a neat trick I learned from an old timer at a caravan park in Broome.

07

The 'Black Streak' Removal

Those annoying black lines under windows are caused by window seal runoff. Use a specific Black Streak Remover or a very mild polish. Don't use a magic eraser, they're basically fine sandpaper and will dull your gloss.

08

Rinse, and Rinse Again

Make sure you get all the soap out of the awning arms, the door hinges, and the window tracks. Soap residue attracts dust like crazy.

09

Drying is Key

Use your big microfiber towels. If you let it air dry in the Aussie heat, you'll get calcium spots from the water. In South Australia or WA, the water is often 'harder' and will leave spots in seconds.

10

Windows Care

Caravan windows are usually acrylic, not glass. Use a clean microfiber and a dedicated plastic cleaner. Never use Windex, the ammonia will turn your windows yellow over time.

11

Protecting the Gelcoat

Apply a high-quality sealant. Because of the size, I reckon a 'spray and rinse' sealant like Gyeon WetCoat is a lifesaver. You spray it on while the van is wet, then pressure wash it off. Instant protection.

12

Seal Treatment

Go around every window and door seal with 303 Aerospace Protectant. It stops them from sticking and cracking. This is the difference between a van that leaks and one that doesn't.

05

Warnings: Avoid These Rookie Mistakes

Look, I've seen some disasters. First up: **Never use a high-pressure washer directly on the fridge vents or the solar panel connectors.** You'll blow water into the electronics and you're looking at a multi-thousand dollar repair bill. Second: **Avoid 'Truck Washes' like the plague** unless the van is purely 100% bare aluminium. Many truck washes are caustic and will dull your gelcoat and eat the adhesive on your decals. Third: **Don't use dish soap.** It's designed to strip grease off pans, which means it'll strip every bit of wax and protection off your van, leaving it vulnerable to the sun. Lastly, **be careful on the roof.** A wet caravan roof is as slippery as a greased pig. One slip and you're off, I've seen a bloke break his arm doing exactly that at a servo wash bay.

Pro Tips from the Detailing Bay

If you've got red dust that just won't budge from the checker plate, try a soft-bristled drill brush with some mild degreaser. It saves your wrists and gets into the diamond pattern way better than a hand brush. Also, if you're heading coastal, give your chassis a spray with an anti-corrosion film like Lanotec or Fish Oil before you leave. It's messy, but it'll stop the salt from eating your frame while you're parked at the beach.
06

Advanced Techniques: Dealing with Oxidation

If your van has that chalky, matte look, it's oxidized. A simple wash won't fix this. You'll need to do a one-stage machine polish. I recommend a dual-action (DA) polisher like a Rupes or a cheaper ShineMate. Use a medium foam pad and a compound like Meguiar's One-Step Compound. Work in small sections (50cm x 50cm). You'll see the colour come back instantly. Just remember, gelcoat is thick but not infinite, don't go too aggressive or you'll burn through. Follow up with a ceramic coating like Gtechniq Halo (which is made for vinyl and film) if you want it to last years instead of months.
07

What's in my Van? Product Recommendations

I get asked this all the time at the servo. For a general wash, I'm a big fan of **Bowden's Own Nanolicious**. It's Aussie-made and handles our dirt well. For protection, **Gtechniq Easy Coat** is my go-to for big caravans because you just attach it to the hose and spray. If you want a traditional wax, **Collinite 845** is legendary for its heat resistance, it won't melt off in a 42-degree day in Alice Springs. For the interior, keep it simple with **Autoglym Interior Shampoo** for the seats and a damp microfiber for the laminex benchtops.
08

Aftercare and Long-Term Maintenance

Maintenance isn't just about the big clean-up after a trip. If you leave your van parked out in the elements between holidays, you're asking for trouble. Ideally, get a breath-able cover (Adco is a decent brand) but make sure the van is 100% clean before you put it on, otherwise the wind will rub that dust into the paint like sandpaper. (Made this mistake myself on a black Commodore, never again). Every three months, do a quick 'maintenance wash' and top up the sealant. If you notice a bird has left a present on the roof, get it off immediately. Carry a small bottle of quick detailer and a microfiber in your 'easy access' locker for exactly this. It takes two minutes but saves you a 4-hour polishing job later. Also, check your silicone seals around the roof lights every time you're up there. If they look dry or cracked, scrape them out and replace them with a quality marine-grade sealant like Sikaflex 291. It's better than discovering a leak in the middle of a midnight storm in the Grampians.
09

Caravan Cleaning FAQ

Can I use a pressure washer on my caravan?
Yes, but keep your distance. Stay at least 30-50cm away from seals, decals, and vents. Use a wide fan tip, never a 'turbo' or pencil jet nozzle.
How do I get red dust out of everything?
Patience and lots of water. Use a snow foam to lift it, and don't be afraid to wash the same area twice. For the chassis, an underbody wash tool is a godsend.
What's the best way to clean solar panels?
Plain water and a very soft brush or microfiber. Never use harsh chemicals or abrasive pads, as they reduce the panel's efficiency by scratching the glass.
The front of my van is covered in stone chips, what can I do?
Prevention is better than cure here. Next time, look into a 'Stone Stomper' or a padded vinyl front cover. For existing chips, you can use a touch-up pen, but it's hard to make it look perfect on gelcoat.
How do I clean my awning if it has mould?
Mix a solution of 1 part bleach to 4 parts water with some dish soap (the only time I allow it!). Spray it on, roll it up for 15 mins, then scrub and rinse thoroughly. Dry it completely before storing.
Is ceramic coating worth it for a caravan?
If you have the budget, absolutely. It makes washing off red dust and bugs 10x easier. But it has to be applied to a perfectly clean, decontaminated surface to work.
What do I do about 'cloudy' acrylic windows?
Use a dedicated plastic polish like Novus #2. Use a soft microfiber and light pressure. It'll take out the haziness and fine scratches.
Can I wash my caravan at a DIY car wash?
Usually, yes, but watch the height clearance! And honestly, avoid the 'foaming brush', it's usually full of sand from the 4WD that was in there before you.

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