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Ironclad Floors

Residential Services · Sydney

Outdoor & Patio Epoxy Coatings in Sydney

UV-stable, slip-resistant coatings for alfresco areas, patios, verandahs and outdoor concrete that look great and stand up to the weather.

  • 10-Year Warranty
  • $20 million public liability Insured
  • Diamond-Ground Prep

About Outdoor & Patio Epoxy Coatings

Outdoor and patio epoxy coatings transform tired, stained or plain concrete in your alfresco, patio, verandah or courtyard into a clean, slip-resistant, weather-ready surface that ties the outdoor area into the home. Bare external concrete stains easily, grows mould in shaded spots, and can be slippery when wet. The right coating system seals it, makes it easy to clean, adds safe footing, and gives you a decorative finish that holds up to Sydney sun and rain year-round.

The key outdoors is choosing UV-stable chemistry. Standard epoxy can amber and chalk under direct sunlight, so for exposed areas we specify a UV-stable polyaspartic system — either as a full build or as a topcoat over a flake base — that keeps its colour and finish in harsh sun. Polyaspartic also handles temperature swings and moisture better than epoxy, which matters for outdoor slabs that heat up, cool down and occasionally get wet. For covered or shaded areas a quality epoxy with a UV-stable topcoat can also work well, and we’ll match the system to how exposed your space actually is.

Slip resistance is non-negotiable outdoors. We broadcast fine anti-slip aggregate into the topcoat to give safe grip when the surface is wet from rain, hosing down or splashing — important around entertaining areas and especially near pools. Flake systems add natural texture and a decorative speckle that hides leaf litter and dust between cleans, while solid colours give a sleek, contemporary look. Either way the surface is seamless and pore-free, so it sweeps and hoses clean and won’t harbour mould the way bare concrete does.

Preparation outdoors follows the same disciplined process as every Ironclad floor: diamond grinding to the correct profile, crack and joint repair, moisture testing and priming, so the coating bonds permanently despite the weather. A typical patio or alfresco is completed in one to three days depending on size and system, and is backed by our ten-year written warranty. If your outdoor concrete is letting down an otherwise great backyard, an outdoor epoxy or polyaspartic coating is an affordable, durable upgrade — book a free on-site quote and we’ll recommend the right UV-stable system for your space.

Why Choose Our Outdoor & Patio Epoxy Coatings

  • UV-stable polyaspartic options that won’t yellow in Sydney sun
  • Anti-slip aggregate for safe footing when wet
  • Seamless, pore-free surface that hoses clean and resists mould
  • Decorative flake or solid-colour finishes to suit the home
  • Weather-tough and warrantied for ten years

Coating Systems for Outdoor & Patio Epoxy Coatings

We recommend the right system for how you use the space and the condition of your slab. The systems best suited to outdoor & patio epoxy coatings are:

  • Polyaspartic CoatingsAliphatic polyurea coatings that cure fast and stay UV-stable — used as a high-performance topcoat or full build for speed and sun resistance.
  • Flake & Chip Broadcast EpoxyDecorative vinyl flakes broadcast into an epoxy base coat and sealed — the most popular all-round system for garages and high-traffic floors.
  • Anti-Slip & Safety CoatingsGraded aggregate bound into a coating to deliver measurable AS 4586 slip resistance for ramps, wet areas, kitchens and pool decks.

Not sure which is right? Our coating systems guide compares durability, cost, UV stability and cure time side by side.

Surface Preparation Comes First

The single biggest factor in whether your outdoor & patio epoxy coatings lasts is what happens before the coating goes down. We diamond-grind the concrete to the correct CSP 2–3 profile, moisture-test the slab, structurally repair cracks and joints, and apply a penetrating primer. Skipping any of this is exactly why cheap coatings bubble, peel and delaminate within months. Read more about how we prepare concrete.

Pricing & Timeframe

As a guide, outdoor & patio epoxy coatings typically costs from around $50–$100 per , depending on the system, the size of the area and the condition of the concrete. Every quote is a fixed price confirmed after we inspect your floor in person — there are no hourly surprises. Most residential floors are completed in a few days, and every job is backed by our 10-year written warranty and $20 million public liability public liability cover.

Our Outdoor & Patio Epoxy Coatings Process

A disciplined, preparation-first process on every job — single garage or full warehouse.

  1. 01

    Free On-Site Quote

    We visit your Sydney property, assess the floor area and condition, discuss the coating system options, and provide a written fixed-price quote. No obligation.

  2. 02

    Surface Preparation

    We diamond-grind the concrete to the correct profile, test for moisture, repair any cracks or damage, and apply primer. This step decides whether your floor lasts 10 years or 10 months.

  3. 03

    Base Coat Application

    The epoxy base coat is applied to the prepared surface. For flake systems, decorative chips are broadcast at this stage. For metallic systems, pigment and metallic powder are worked into the wet coat.

  4. 04

    Topcoat & Sealing

    A clear polyurethane or polyaspartic topcoat is applied for protection, sheen and slip resistance. This is the surface you see and walk on.

  5. 05

    Cure & Handover

    Light foot traffic typically within 24 hours, full vehicle or heavy traffic within 72 hours. We walk through the finished floor with you and leave the site clean.

Outdoor & Patio Epoxy Coatings Reviews

Real projects across Sydney, from single garages to multi-thousand-square-metre floors.

Our alfresco concrete was stained and slippery when it rained. Ironclad used a UV-stable system with anti-slip and it’s transformed the whole back of the house. A year of full sun and it hasn’t yellowed at all. Couldn’t be happier.
David & Lina CostaCastle Hill · 46m² outdoor alfresco polyaspartic coating

Outdoor & Patio Epoxy Coatings — FAQs

How much does an outdoor or patio epoxy coating cost?

Outdoor systems typically range from $50 to $100 per square metre, with UV-stable polyaspartic builds at the higher end. The price reflects the system, slab condition and area. We provide a written fixed-price quote after inspecting your outdoor concrete.

Will an outdoor epoxy floor fade or yellow in the sun?

Standard epoxy can amber in direct sun, which is why for exposed areas we specify a UV-stable polyaspartic system that holds its colour. For covered or shaded areas, an epoxy base with a UV-stable topcoat also performs well. We choose the chemistry to match your sun exposure.

Is the coating slip-resistant when wet?

Yes — we broadcast fine anti-slip aggregate into the topcoat so the surface stays safe underfoot when wet from rain or hosing. This is especially important on entertaining areas and around pools, and we tailor the level of grip to the space.

Can you coat an old, stained or mouldy patio?

Usually yes. We grind off contamination, mould and old sealers, repair cracks, and prepare the slab back to sound concrete before coating. The new sealed surface then resists staining and mould far better than bare concrete. Severely degraded slabs are assessed individually at the quote.

How long does an outdoor coating take to install?

Most patios and alfresco areas take one to three days depending on size, system and weather. Polyaspartic systems cure fast and can sometimes be completed in a single day. We schedule around dry conditions for the best result.

How durable is it outdoors?

Very durable when the right UV-stable system is specified. It withstands sun, rain, foot traffic, furniture and cleaning for well over a decade. The clear topcoat takes the wear, and we back the work with a ten-year written warranty.

Will weather affect the installation?

Yes — we install in dry conditions and watch the forecast, because rain or high humidity during cure can affect the finish. Polyaspartic is more forgiving of temperature and moisture than epoxy, which is one reason we favour it outdoors.

Can outdoor coatings match my indoor floors?

Often, yes. We can coordinate flake blends or colours so an alfresco area flows visually with an adjoining garage or interior floor, while still using the correct UV-stable chemistry outdoors. We’ll bring samples to your quote to plan the match.

Get Your Free On-Site Quote

Book a free, no-obligation assessment for your outdoor & patio epoxy coatings project anywhere in Sydney.

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