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Keeping Your Caravan Mint in the Aussie Heat

Most car owners make this harder than it needs to be. Here's the straightforward approach that actually works—no fluff, no upselling.

Summer in Oz is brutal on caravans, from baked-on red dust to salty sea air. Here is how to clean your rig without ruining the finish or spending your whole holiday scrubbing.

D"M
Dave "Davo" Mitchell Off-Road & 4WD Specialist
| Updated: 27 February 2026
What You'll Learn
Keeping Your Caravan Mint in the Aussie Heat

Aussie Conditions

Australian conditions are tougher than most—intense UV, red dust, coastal salt, and 40°C summers. European car care advice often doesn't cut it here.
Quick Summary

Look, we all love a summer getaway, but the Aussie sun and salt will absolutely wreck a caravan if you let it sit. Whether you've just come back from a dusty trek or you've been parked up at a beachside caravan park, you need to get that grime off fast. This is for anyone who wants a clean van without the headache. I've spent years cleaning these big rigs and I've seen exactly what works and what's just a waste of your Saturday arvo.

01

The Summer Struggle

Let's be real, cleaning a caravan is a massive job. It's not like washing the missus' hatchback; you're dealing with massive surface areas, weird seals, and usually, a thick layer of red dust or salt. If you leave that stuff to bake in 40-degree heat, it'll eat into your gelcoat or paint faster than you can crack a cold one. I learned this the hard way after a trip to Broome where I left the red dirt on too long, took me three stages of polishing to get the staining out. Never again.

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The Snow Foam Secret

Don't just go in with a sponge and bucket first thing. You'll just be dragging sand and grit across the finish, scratching it to high hell. I reckon a decent snow foam is your best mate here. Chuck some Bowden's Own Snow Job in a cannon and let it dwell for 5-10 minutes (in the shade!). It breaks down the bird or bat droppings and lifts the dust so it slides right off. Honestly, I wouldn't bother trying to wash a big van without it.

Watch the Seals

A huge mistake I see people make is going too hard with the pressure washer around the window seals and vents. I had a customer once who'd blasted his Jayco so hard he'd actually forced water past the seals and soaked his internal electrics. Use the pressure for the chassis and drawbar, but keep it back a good metre from any seals or joints. If it's got a canvas pop-top, just use a gentle hose, no pressure.

The Red Dust Fix

If you've been out back and your white van is now looking a bit orange, standard soap won't cut it. Most of the time, that red dirt is iron-rich. I've found that a dedicated iron fallout remover (like Gtechniq W6) helps, but for the heavy stuff, a specific CT18 Superwash mix usually does the trick. Just don't let it dry on the surface or you'll be in a world of hurt trying to get the streaks off.

Roof Safety

Most people forget the roof, but that's where the UV damage starts. Use a long-handled brush, I like the soft ones from Meguiar's, so you aren't climbing all over the thing. If you've been parked under gum trees, you'll likely have sap. A bit of isopropyl alcohol on a microfibre will take it right off, but remember to re-wax that spot after because the alcohol strips everything.
02

The 'Done in an Arvo' Kit

What You'll Need

0/5
Soft-bristle extendable wash brush — Don't use a stiff yard broom, you'll ruin the gloss.
Large microfibre drying towel — Chamois are old school and tend to mar the finish.
UV-Rated Sealant — I use Gyeon CanCoat, it's easy to apply and handles the Aussie sun.
Degreaser — For the drawbar and grease points.
Two buckets with grit guards — Essential if you don't want to swirl the paint.

Watch Out

Never wash your van in direct sunlight when it's over 30 degrees. The water and soap will flash-dry, leaving spots that are a nightmare to remove. Also, avoid using dish soap, it's too harsh for caravan waxes and will dry out your rubber seals. It's cheap, but it'll cost you a fortune in the long run.
03

Common Questions

How often should I wax my caravan?
In Australia, I reckon you should be putting a sealant or wax on every 6 months. If you're living near the coast, make it every 3 months to stop the salt from pitting the metal bits.
Can I use a truck wash on my camper trailer?
You can, but be careful. Some truck washes are 'caustic' (high pH) and can dull the aluminium or strip the wax off. If you use something like CT18, dilute it properly and don't let it sit too long.
What's the best way to clean solar panels?
Just plain water and a very soft cloth. Don't use soap as it leaves a film that reduces the panel's efficiency. I usually give mine a quick wipe every time I stop at a servo.

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Products We Recommend

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pH Neutral Snow Foam
Bowden's Own

pH Neutral Snow Foam

$39.95 View
The Rag Company

Microfibre Towels 400GSM (10-Pack)

$39.95 View
Iron Remover / Wheel Cleaner
CarPro

Iron Remover / Wheel Cleaner

$29.95 View
Ceramic Coating 9H
Gyeon

Ceramic Coating 9H

$89.95 View

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