Patio & Deck Pressure Washing in Cape Town

Create a Perfect Outdoor Living Space

We connect you with specialists in the Northern Suburbs of Cape Town, who safely and effectively clean wooden decks, paved patios, braai areas, and pool surrounds, removing slippery algae and dirt.

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✔ Wooden Deck Restoration ✔ Paved Patio & Braai Areas ✔ Algae & Slip-Hazard Removal ✔ Fast, No-Obligation Quotes

Enjoy a Cleaner, Safer Outdoor Area

Your patio and deck are extensions of your home, but they are vulnerable to the elements. Common issues include:

  • Slippery green algae that poses a safety risk
  • Black mould spots on wood and paving
  • Stains from food, drinks, and braais
  • Grey, weathered appearance on wooden decks
  • Dirt and leaves accumulating in corners

A professional cleaning transforms your outdoor space back into a safe, beautiful, and inviting area for your family and guests to enjoy.

A beautifully clean patio and outdoor entertainment area

Our Service Areas are Cape Town, Northern Suburbs

Fonster connect you with trusted patio and deck pressure washing professionals across the Cape Town Northern Suburbs area. Our network currently covers the following suburbs and more:

We are expanding rapidly. Don't see your area, yet? No problem. Get in touch and we'll find a pro near you.

Our patio and deck pressure washing is part of our extensive range of pressure cleaning services

Surfaces We Clean

Timber Decking

  • Hardwood: Merbau, spotted gum, ironbark, blackbutt
  • Treated pine: Pressure-treated timber decks
  • Composite decking: ModWood, Trex, Ekodeck
  • Bamboo decking: Requires gentle cleaning

Stone & Tiles

  • Travertine: Delicate, requires soft washing
  • Limestone: Porous natural stone
  • Sandstone: Common outdoor paving
  • Bluestone: Dense, durable stone
  • Granite: Hard-wearing stone
  • Slate: Natural and textured
  • Porcelain tiles: Indoor/outdoor rated
  • Ceramic tiles: Glazed and unglazed

Pavers

  • Concrete pavers: Most common type
  • Clay pavers: Brick-style paving
  • Natural stone pavers: Various types
  • Permeable pavers: Eco-friendly drainage
  • Interlocking pavers: Complex patterns

Concrete Surfaces

  • Stamped concrete: Patterned finishes
  • Exposed aggregate: Textured surface
  • Polished concrete: Smooth, sealed finish
  • Plain concrete slabs: Standard patios
  • Coloured concrete: Oxide-stained

Other Outdoor Areas

  • Pool decks: All surface types
  • Balconies: Tiles, boards, concrete
  • Verandas: Covered outdoor spaces
  • Outdoor entertainment areas: Pergolas, alfresco

Timber Deck Cleaning: Why It Requires Expertise

Timber decks are beautiful but vulnerable. Wrong cleaning methods cause irreversible damage:

Common Timber Deck Problems

Our Timber Deck Process

Never high pressure on timber. We use controlled low-pressure cleaning with specialized timber cleaners that:

Complete Deck Restoration

Cleaning is often just the first step. We offer comprehensive deck restoration services:

Sanding & Preparation

Oiling & Sealing

Complete transformation package: Clean → Sand → Oil/Seal. We can handle the entire process, returning your deck to like-new condition.

Paver & Stone Patio Cleaning

Pavers and stone patios handle more abuse than most surfaces—constant foot traffic, weather exposure, and organic growth in joints.

What We Remove

Deep Cleaning Process

Paver Sealing: Protect Your Investment

After deep cleaning, sealing your pavers provides long-lasting protection and enhancement:

Benefits of Paver Sealing

Sealer Types We Use

Re-sealing recommended: Every 2-3 years depending on traffic and exposure. We can maintain your pavers with regular clean-and-seal services.

Eliminate Dangerous Slip Hazards

Algae and mould don't just look bad—they create treacherous surfaces, especially when wet.

High-Risk Areas

Our Safety Approach

Family safety: Don't wait for someone to slip. If your deck or patio feels slippery when wet, it's time for professional cleaning.

Pre-Sale Patio & Deck Cleaning

Selling your home? Outdoor areas are crucial first impressions—and often neglected until listing time.

Why It Matters for Property Value

Pre-Sale Package

We can coordinate a complete exterior clean before your listing:

Timing: Schedule 1-2 weeks before photography for optimal results and complete drying.

Why DIY Deck Cleaning Often Fails

We see the aftermath of DIY disasters regularly. Common mistakes that cause permanent damage:

Timber Deck Damage

  • Furring: High pressure raises timber fibers creating splinters
  • Gouging: Pressure washer marks etched into boards
  • Water damage: Forcing water into timber causes swelling and rot
  • Uneven cleaning: Tiger-striping from inconsistent technique
  • Chemical damage: Wrong cleaners bleach or discolour timber

Paver & Stone Issues

  • Joint damage: Blowing out sand between pavers
  • Surface etching: Damaging soft stone with high pressure
  • Sealer damage: Stripping protective coating
  • Incomplete cleaning: Leaving streaks and residue

The cost of mistakes: Repairing furring damage requires professional sanding—often costing more than hiring us in the first place. Badly damaged decks may need complete board replacement.

Professional difference: We know the exact pressure, cleaning solutions, and techniques for each surface type. It's not just about owning a pressure washer—it's about experience.

Scheduled Maintenance Programs

Regular cleaning is far more cost-effective than dealing with heavy buildup and damage.

Residential Maintenance

  • Annual deep clean: Before summer entertaining season
  • Bi-annual service: Spring and autumn cleaning
  • Pool area quarterly: High-traffic wet areas need frequent attention
  • Pre-winter protection: Clean and seal before harsh weather

Commercial Maintenance

  • Restaurant & cafe outdoor dining areas
  • Strata complex common areas
  • Hotel pool decks and patios
  • Retail outdoor spaces
  • Scheduled service at times that suit your business

Benefits of scheduled maintenance: Priority booking, discounted rates, prevents expensive damage, always presentation-ready.

How Often Should You Clean Your Patio or Deck?

Recommended Frequency

Timber decks: Annually, or every 2 years if sealed/oiled regularly

Pavers & stone: Every 1-2 years, seal every 2-3 years

Pool decks: Every 6-12 months (high algae risk)

Commercial areas: Quarterly to annually depending on foot traffic

Factors That Increase Frequency

  • Heavy tree coverage (constant debris and shade)
  • High humidity or coastal climate
  • Pool proximity (constant moisture)
  • North-facing exposure (sun + moisture = algae)
  • Heavy use (entertaining, kids, pets)
  • Lack of drainage (standing water pools)

Warning Signs It's Time

  • Green or black discolouration (algae/mould)
  • Slippery when wet (immediate safety concern)
  • Grey, weathered appearance on timber
  • White salt deposits on pavers
  • Weeds growing between pavers
  • Deep-set stains visible
  • Before hosting events or entertaining
  • Before re-oiling timber deck
  • Preparing to sell property

Preventative Approach

Don't wait until your deck or patio looks terrible. Regular cleaning prevents:

  • Permanent staining that can't be removed
  • Timber deterioration from trapped moisture
  • Expensive replacement of damaged boards or pavers

What to Expect During Service

Before We Arrive

  • Clear outdoor furniture and BBQ (or we can move it)
  • Remove potted plants if possible
  • Trim overhanging plants blocking access
  • Ensure we have water access
  • Secure pets inside
  • Point out any loose boards or damaged areas

During the Service

  • Timeframe: 2-5 hours depending on size and condition
  • Noise: Pressure washer operation (moderate noise)
  • Water usage: We bring equipment, use your water supply
  • Runoff: Water drains to yard/stormwater (we manage responsibly)
  • Protection: We protect gardens and nearby surfaces

After We Finish

  • Drying time: Surface will be wet for 4-12 hours
  • Full drying: 24-48 hours depending on weather
  • Timber decks: May look lighter when wet, darkens as it dries
  • Results: Immediate dramatic improvement visible
  • Follow-up: Sealing/oiling can be scheduled once dry
  • Clean-up: All equipment removed, area tidied

Best Weather Conditions

  • Mild, dry weather ideal for fastest drying
  • Can work in cooler weather (takes longer to dry)
  • Avoid extreme heat (cleaning solutions evaporate too quickly)
  • Check forecast before sealing (needs 24-48 hours dry weather)

You don't need to be home: As long as we have access and you've cleared the area, we can work while you're out. We'll send progress photos and a final walkthrough.

Patio & Deck Cleaning Pricing

Typical pricing: R750+ depending on size, surface type, and condition

What Affects the Price?

  • Surface area: Size in square meters
  • Surface type: Timber requires more care than concrete
  • Condition: Heavy staining requires pre-treatment
  • Accessibility: Difficult access adds time
  • Additional services: Sanding, sealing, oiling
  • Furniture removal: If we need to move heavy items

Package Options

  • Clean only: Pressure/soft wash cleaning
  • Clean + Seal: Pavers/stone protection package
  • Full restoration: Clean + Sand + Oil (timber decks)
  • Maintenance program: Discounted annual service

Free quotes: We provide detailed quotes—most can be done from photos you send, or we can visit for complex jobs.

Fixed pricing: The quote is the price you pay. No hidden costs or surprises.

Why Choose Fonster for Patio & Deck Cleaning?

  • Timber deck specialists: We understand wood and won't damage it
  • Surface knowledge: Right method for every material
  • 5 years experience: We've seen it all
  • Fully insured: Public liability coverage
  • Professional equipment: Commercial-grade, not rental machines
  • Eco-friendly solutions: Safe for gardens, pets, pools
  • No damage guarantee: Correct pressure for each surface
  • Complete service: Clean, seal, restore—all in one place
  • Before/after photos: Document the transformation
  • Fixed pricing: Transparent, no surprises
  • Satisfaction guarantee: We stand behind our work
  • Local Cape Town, Northern Suburbs business: Supporting our community since 2020

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The Right Treatment for Your Outdoor Surfaces

Our network of professionals understands that different materials require different care to avoid damage while achieving the best results.

Frequently Asked Questions

Can pressure cleaning damage patios or decks?

No — when done correctly. Patios and decks are cleaned using surface-appropriate pressure levels to remove dirt, algae, and grime without damaging tiles, stone, wood, or composite materials.

What types of patios and decks can be pressure cleaned?

Most outdoor surfaces can be cleaned, including tiled patios, stone patios, concrete surfaces, wooden decks, and composite decking. The cleaning method is adjusted for each surface type.

Will pressure cleaning remove slippery algae from patios?

Yes. Pressure cleaning is very effective at removing algae, moss, and mildew that can make patios and walkways slippery and unsafe.

Is pressure cleaning safe for wooden decks?

Yes, when performed carefully. Wooden decks are cleaned using lower pressure and wider spray angles to prevent splintering or surface damage.

How often should patios and decks be pressure cleaned?

Most patios and decks benefit from pressure cleaning every 12 to 18 months, depending on exposure to shade, moisture, and foot traffic.

How much does patio or deck pressure cleaning cost?

Pricing depends on surface size, material, level of buildup, and accessibility. A clear, no-obligation quote is provided after a quick assessment.

Ready to Enjoy Your Outdoor Space Again?

Get your patio, deck, or braai area looking its best. Contact us for a fast, free, and affordable quote today!

Request Your Patio and Deck Cleaning Quote