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Keeping Dust Out of Your Canopy
Do one gravel road with a fresh fit-out and everything in the canopy ends up under a layer of bulldust. This comes up again and again on ExplorOz (dust prevention, BT-50; air vents for canopies; keeping dust out of an ARB canopy). The fixes are cheap. The two key ideas are seal the gaps and pressurise the box.
Where the dust gets in
Low-pressure air behind the vehicle pulls dust in through every gap at the back. On a tub-and-canopy setup, a BT-50 owner found "a lot gets in through the sides and bottom of the tail gate" (ExplorOz, as summarised in RigBlueprint community research, 16 Oct 2026). Other common entry points:
- the gap between the tailgate and the tub
- the joint between the canopy and the tub rails
- the canopy door seals
- drain holes, unused bolt holes and tie-down cut-outs in the tub floor
Step 1: Find the leaks
Do a short run on a dusty road with a clean, empty canopy, then look for the dust trails. They point straight at the gaps. Do it again after each fix.
Step 2: Seal the gaps
- Tailgate: foam or neoprene tape along the tailgate's sides and bottom, or a proper tailgate seal kit. One owner's fix in the ExplorOz thread was quoted as costing "under $25" (source above; that's an owner's figure, and prices vary).
- Canopy-to-tub joint: check the canopy's mounting seal is continuous. Re-seal any gaps with a suitable seal or sealant (follow the canopy maker's guidance).
- Door seals: check they're compressed all the way round. Adjust the latches, or replace seals that are flattened or torn.
- Floor holes: plug unused bolt holes, but don't block the tub's drain holes. An AU canopy retailer warns that sealing them creates a water-pooling problem (Oz Canopies).
Price: varies. Foam tape, seals and sealant aren't in our verified retail price file.
Step 3: Pressurise the box
If more air goes into the canopy than leaks out, the leaks blow outwards and dust stays out. Owners do this in two ways:
- Open the front slider window a little. The ExplorOz BT-50 thread suggests opening it "5-10 cm… will pressure the canopy" (source above). This only works if the air coming in isn't dusty itself, so it suits roads where the dust is mostly behind you.
- Fit a forward-facing intake vent near the front or roof of the canopy, so clean air is pushed in at speed. Oz Canopies says many canopies already have one, that vents work best at about 40km/h and above, and that you should seal the big gaps first, or the incoming air just leaks straight out (Oz Canopies, above). If you need to cut the canopy to fit one, check the canopy maker's guidance and warranty first.
The vent has to face into the oncoming air. The same retailer says a rear- or side-facing vent won't scoop air in effectively (Oz Canopies, above). Keep rear windows shut on dusty roads too, because an open rear window defeats the positive pressure.
Step 4: Make the fit-out dust-tolerant
- Lidded boxes for food and bedding. Boot & cargo organisers covers options.
- Seal the ply before carpeting. Sealed surfaces wipe clean (see what ply for ute drawers).
- Drawer fronts with a small overlap or brush seal keep dust out of the drawer boxes.
- Keep the false-floor void closed, with a lid, so it doesn't fill with dust (see canopy false floor).