One of the biggest benefits of choosing composite decking is the low-maintenance lifestyle it offers. But that doesn’t mean it’s completely maintenance-free. To keep your deck looking beautiful and performing at its best throughout Australia’s diverse seasons, it’s important to adopt a simple decking maintenance routine.
This comprehensive guide offers year-round tips tailored to Australian climates—from coastal zones to dry outback conditions—and shows how easy it is to care for your composite decking with just a bit of attention.
Why Composite Decking Needs Maintenance (But Less Than Timber)
Unlike timber, which requires frequent sanding, sealing, and staining, composite decking care is primarily about keeping it clean and checking for wear in high-use areas. Most issues—like dirt build-up, food stains, or mould—can be prevented or resolved with a few easy steps.
Benefits of Maintaining Composite Decking:
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Preserve visual appeal
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Extend surface lifespan
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Prevent long-term staining or mould
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Improve safety and traction
“We love that our decking maintenance routine is just a hose-down and soft brush. No more sanding weekends!” — Helen & Mark, WA
Monthly Quick-Clean Checklist
| Task | What To Do | Tools Needed |
|---|---|---|
| Remove debris | Sweep leaves and dirt from surface & gaps | Broom or blower |
| Rinse deck | Use hose to remove dust and minor debris | Garden hose |
| Spot check stains | Look for food/oil/mould spots | Soft brush, mild detergent |
Tip: Always clean spills as soon as they happen to prevent absorption or surface staining.
Season-by-Season Maintenance Guide (Australia)
🌞 Summer: High Use, High UV
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Rinse weekly if used frequently
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Clean BBQ grease or sunscreen spills immediately
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Use outdoor mats at entry/exit points to prevent grit
🍂 Autumn: Falling Leaves & Moisture
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Sweep frequently to prevent organic build-up
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Check and clean gaps between boards
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Inspect edges for moss or algae, especially in shaded areas
❄️ Winter: Rain & Mould Risks
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Increase cleaning frequency in wet zones
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Apply diluted white vinegar to mould spots
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Avoid metal shovels—use plastic tools for debris
🌼 Spring: Deep Clean & Inspection Time
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Use a soft scrub brush and composite-safe cleaner
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Inspect for loose fasteners or end caps
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Re-align furniture to prevent wear spots
Read more about seasonal composite decking care.
How to Clean Composite Decking Safely
| Problem Area | Recommended Solution | Avoid |
| General dirt | Warm water + dish soap + soft brush | Pressure washers >3000 PSI |
| Oil/grease stains | Composite decking cleaner or degreaser | Solvent-based products |
| Mould/mildew | Vinegar & water (50/50) or mild cleaner | Bleach-based products |
| Food/drink stains | Warm soapy water ASAP | Abrasive scrub pads |
“We’ve had our PureSolid deck for 4 years now. Even after parties, it takes just 10 minutes to clean!” — Lucas R., NSW
Protecting Your Deck from Common Australian Hazards
🔥 Bushfire Zones
Choose BAL-rated composite products and keep deck areas clear of leaf litter.
🐜 Termites & Pests
Composite materials are pest-resistant, but routine sweeping ensures no nesting debris.
🧂 Salt Air (Coastal Homes)
Use water to rinse salt residue off quarterly. No special cleaners needed.
🕶️ UV Exposure
PureSolid decks are UV stabilised—but rotating furniture and potted plants can prevent uneven wear.
Explore our full line of decking Australia options built for coastal and inland resilience.
Popular Maintenance Topics Among Aussie Homeowners
Is high-pressure washing OK?
Only under 3000 PSI, and with a wide fan tip held 20cm from the surface.
Do composite decks need sealing?
No sealing or staining is necessary—ever.
What if mould appears?
Clean with vinegar solution and improve drainage or airflow around the area.
How long does composite decking last?
PureSolid decking lasts 25+ years with basic care.
Join thousands of Australians enjoying low-stress composite decking care with PureSolid.
Bonus: Furniture & Decor Tips That Extend Deck Life
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Use rubber or felt pads under heavy furniture
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Avoid dragging pots across boards
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Choose breathable outdoor rugs that allow airflow
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Rotate decor seasonally to balance surface exposure
Pro Tip: Place mats under BBQs and grease-heavy areas to reduce cleaning workload.
FAQs: Composite Decking Maintenance in Australia
Q: Can I use vinegar to clean my deck?
A: Yes, a 1:1 vinegar-water solution is great for treating mould and light stains.
Q: What if I see small scratches?
A: Minor marks usually fade with sun exposure. For deeper scratches, contact our team for touch-up options.
Q: Is it OK to leave outdoor furniture on the deck year-round?
A: Yes! But we recommend using pads to prevent pressure dents.
Final Thoughts: Low Effort, Long-Term Beauty
Maintaining your composite decking is simple and satisfying. With just a broom, a hose, and a little know-how, you can keep your outdoor area stunning for decades.
Whether you’re in Darwin’s tropics or Tasmania’s chill, our decking maintenance tips will help you protect your investment year-round.