Can Epoxy Flooring Be Used Outdoors? The Simple Guide

Baking heat. UV bombardment. Sudden rain.

Perth’s outdoor environment can put flooring to the test — and only the most durable solutions survive.

Epoxy flooring offers a bold solution across indoor and outdoor settings from workshops and warehouses to alfresco areas, patios, garages, and pool surrounds.

Known for its resilience, seamless finish, and sleek appearance, understanding whether epoxy holds up — or falls short — in outdoor conditions is crucial before making any decision.

If you’re on the fence, read on to discover how epoxy performs under WA’s climate, where it works best outdoors, what challenges exist, and which systems offer the optimal long-term solution for homeowners seeking both beauty and endurance.

Understanding Epoxy Flooring Outdoors

Epoxy is a high-performance surface coating created by combining resin with a hardener. Once cured, the result is a rigid, durable layer that bonds tightly to concrete, offering a seamless, easy-to-clean surface.

Traditionally used in commercial and industrial settings, epoxy has made its way into residential outdoor areas across Perth due to its toughness and striking finish.

Several epoxy systems exist, each with unique applications. Solid colour coatings offer a clean, minimalist look. Decorative flake finishes — like those used by PM Industries — deliver added texture, slip resistance, and visual interest.

For homeowners wanting extra grip in outdoor zones, anti-slip additives or coarse textured overlays can be incorporated to meet R10–R12 slip resistance ratings, aligning with Australian standards.

What makes epoxy attractive for exterior use is its exceptional resistance to abrasion, chemicals, and heavy foot traffic. Seamless application means no grout lines or joins to trap dirt or moisture.

UV-resistant topcoats, often used in outdoor-specific systems, help combat Perth’s harsh sunlight and reduce yellowing over time. Plus, design flexibility means outdoor zones no longer need to compromise on style to gain strength.

However, not all epoxy is made equal. Without proper formulation or protection, standard epoxy may degrade under consistent sun exposure.

Poor drainage, substrate movement, or improper preparation can also lead to cracking or delamination.

That’s why experienced installation, including surface preparation via diamond grinding, is essential for lasting performance in outdoor spaces.

Is Epoxy Flooring Suitable for the Outdoors?

In short— yes, when done right.

Perth’s climate demands a flooring system that can stand up to UV rays, summer heat, winter rain, and sudden shifts in temperature.

Epoxy, when designed and installed specifically for exterior use, offers a resilient, attractive option for outdoor areas.

The key lies in using the correct formulation. Outdoor epoxy needs to incorporate UV-resistant components, such as polyaspartic or polyurethane topcoats, which stop the surface from chalking, fading, or yellowing in the sun.

These advanced coatings also improve flexibility, helping the surface handle minor movement without cracking.

Beyond resistance, epoxy’s non-porous nature protects underlying concrete from water ingress, reducing erosion and moss build-up over time. Maintenance is minimal — a quick rinse is often enough to restore a freshly installed look.

Plus, with slip-resistant blends and a huge range of decorative flakes and finishes, epoxy delivers not only durability but also genuine design freedom for homeowners seeking a cohesive look between indoor and outdoor zones.

Still, there are limitations. Epoxy shouldn’t be used in areas with poor drainage or on substrates prone to movement without the proper prep.

That’s why site-specific planning, diamond grinding, and the right base system matter — there’s no room for shortcuts outdoors.

What You Need to Know Before Installation

Epoxy may appear straightforward, but external applications come with specific considerations that must be addressed before any work begins.

From environmental factors to council requirements, understanding the broader context is essential for a successful, long-lasting installation.

Perth’s Climate and Its Impact

Perth’s climate includes long, dry summers and short, wet winters. UV exposure remains one of the most critical environmental pressures on outdoor surfaces.

For epoxy systems to remain intact and attractive over time, topcoats must offer high UV resistance. Polyaspartic and polyurethane sealers are often recommended for this reason.

Additionally, moisture content in the substrate must be checked and stabilised before coating begins to avoid bubbling or delamination later.

Surface Size and Application Scope

Epoxy flooring suits a wide range of outdoor areas — from small patios to large carports and verandahs. That said, larger spaces often require expansion joints or segmented sections to accommodate thermal movement.

Installers must assess size and layout during the quoting process to determine the ideal approach. Seamless aesthetics can still be achieved, but system flexibility must match surface dimensions.

Product Recommendations for Outdoor Use

Epoxy with Polyaspartic/Polyurethane Topcoat

This hybrid approach offers the durability of epoxy with the UV stability of more advanced coatings. Ideal for open-air patios, pathways, and entertainment zones.

Decorative Flake or Stone Grip Systems

These systems provide texture and traction while maintaining visual appeal. At PM Industries, our Stone Grip range offers R10–R12 rated finishes, meeting Australian safety standards for slip resistance.

Drainage Considerations

For sloped areas or zones near garden beds, drainage must be planned to prevent water pooling. Trench grates or channel systems can be integrated to support epoxy’s non-porous properties.

Regulatory and Council Requirements

Most outdoor epoxy flooring projects on existing concrete do not require formal permits in WA. However, homeowners in heritage-listed areas or developments governed by strata titles may face specific regulations. It’s recommended to:

Check with the local council if the outdoor area forms part of a covered structure or alters stormwater direction.
Consult your strata manager if the property is part of a managed complex — flooring upgrades may need written approval.

Installation Approvals and Best Practices

Although formal permits are rarely needed, using a licensed contractor ensures adherence to industry best practices.

Our team performs thorough surface testing, including moisture checks, concrete integrity assessments, and diamond grinding to ensure optimal adhesion.

Final Verdict: Is Outdoor Epoxy Flooring Right for Your Perth Property?

Outdoor epoxy flooring presents a tough, stylish, and low-maintenance option for Perth homeowners — but it’s not a one-size-fits-all solution.

With the right system, surface preparation, and protective coating, epoxy can thrive in WA’s climate and deliver years of reliable performance.

Here’s a quick recap of the essentials:

Epoxy provides seamless, durable coverage for patios, garages, and pool surrounds.
UV-resistant topcoats like polyaspartic or polyurethane are crucial for long-term outdoor success.
Slip-resistant systems meet Australian safety standards, adding peace of mind around wet areas.
Site prep, including diamond grinding and moisture testing, determines the longevity of the finish.
Most installations don’t require permits, but professional advice ensures compliance with council or strata rules.

Every property comes with its own set of environmental conditions and usage needs.

Before selecting a flooring solution, assess what your outdoor area requires — then speak with an experienced epoxy specialist who understands Perth’s climate and compliance landscape.

Talk to Perth’s Epoxy Experts — Start with PM Industries

Choosing the right outdoor flooring isn’t just about materials — it’s about trust, precision, and knowing the surface will perform for years under WA’s harshest conditions.

At PM Industries, we’ve spent over 25 years delivering high-performance epoxy systems across Perth and beyond.

Our team combines expert application with meticulous surface preparation, ensuring every project stands up to weather, wear, and time.

With industry-leading warranties and a satisfaction guarantee, homeowners never need to second-guess their decision.

Reach out to PM Industries today for personalised advice or a free quote within 48 hours.