Welcome to Bitmac Civils Pty Ltd. 0477 803 702
Perth, W.A 0477803702
When your driveway, road, or hardstand needs a seal that actually holds up, Bitmac Civils gets it right the first time. We deliver reliable bitumen sealing services across Perth, on time, on budget, and built to last.

Bitumen spray seal is a pavement protection method in which liquid bitumen is sprayed onto a prepared surface and then covered with a layer of aggregate. The aggregate bonds into the bitumen binder as traffic compacts it over time, creating a tough, textured, and waterproof surface. It’s widely used across Perth for driveways, rural roads, car parks, and hardstand areas. A single-coat seal suits lighter traffic, while a two-coat seal handles heavier loads and high-use surfaces well.
Perth’s hot summers and dry conditions put real pressure on unprotected surfaces. Without a proper seal, pavements crack, crumble, and eventually cost you far more in repairs than the original sealing job was worth. Bitumen spray sealing in Perth is the practical solution; it locks out moisture, withstands direct UV exposure, and keeps surfaces stable through the full cycle of seasonal changes. Whether you’re sealing a residential driveway or a commercial access road, the process adds real years to your pavement’s life at a fraction of the cost of full reconstruction.


Single-coat sealing is the go-to option for residential driveways, light-traffic paths, and property access tracks. One layer of liquid bitumen is applied to the prepared surface, followed by spreading fine aggregate. It’s cost-effective, fast to complete, and well-suited to surfaces that carry everyday vehicle loads without sustained heavy-duty wear.
For roads, commercial driveways, and surfaces that carry consistent heavy traffic, two-coat sealing is the stronger choice. The first coat bonds to the base and seals the surface from moisture, while the second coat adds structural depth and improved grip. Together, they produce a finish that holds up reliably under trucks, machinery, and constant daily use.
Even a well-applied bitumen seal needs attention over time. Resealing addresses surface wear before it reaches the base layer, stopping minor deterioration from turning into a costly structural problem. Our maintenance sealing service is suited to existing bitumen surfaces that are showing early signs of ageing but still have a sound base beneath them. It’s a straightforward way to extend your pavement’s life without the expense of full removal and replacement.
No matter which service fits your project, Bitmac Civils handles every stage, from thorough surface preparation through to the final bitumen application. We don’t cut corners on prep, because that’s exactly where the quality and longevity of a spray seal is decided.
Bitumen spray seal works across a wide range of surfaces and project types. Residential driveways, suburban car parks, and commercial access roads are among the most common applications in Perth. Beyond that, it’s equally effective on rural roads, agricultural access tracks, industrial hardstand areas, school grounds, and civil infrastructure projects. If you need a surface that handles daily vehicle loads, weather exposure, and long-term wear, spray seal is a reliable, cost-effective choice, provided the base is properly prepared before any bitumen application begins.
A well-applied bitumen seal typically lasts between 10 and 20 years, depending on traffic volume, base quality, and ongoing exposure to Perth’s climate conditions. Surfaces that receive periodic rejuvenation, sealing every 7 to 10 years consistently sit at the higher end of that range. Surface preparation is the biggest factor; a properly prepared base gives the seal the grip and stability it needs to hold over the long term. Without it, even the best bitumen application will fail well before its time.
Bitmac Civils has built its reputation on one thing: doing the job properly. Our bitumen sealing specialists work across residential, commercial, and civil projects throughout Perth. We use the right equipment and materials, and we handle every stage, from surface preparation to final application. No shortcuts, no subcontracted guesswork. Just clean, professional bitumen sealing services from a team that knows Perth’s conditions inside out.
What is bitumen-sprayed sealing, and how does it work?
Bitumen-sprayed sealing is a pavement protection process. Liquid bitumen is sprayed onto a prepared surface, then aggregate is spread on top and compacted by traffic over time. As that process continues, the aggregate bonds firmly into the bitumen binder, creating a durable, waterproof surface layer that protects the base beneath.
How much does bitumen-sprayed sealing cost in Perth?
Costs vary based on surface area, current condition, site access, and the required seal type. A basic residential driveway seal generally starts at around $25- $45 per square metre, with commercial and rural road projects priced differently. The most accurate way to get a figure is to request a site-specific quote from our team.
How long does a bitumen seal last?
With proper surface preparation and application, a bitumen seal lasts between 10 and 20 years. Traffic volume, base quality, and Perth’s climate conditions all play a role. Periodic rejuvenation, sealing every 7 to 10 years, can significantly extend pavement lifespan and prevent the need for costly full-surface reconstruction down the line.
How long does bitumen spray sealing take to complete?
Most residential jobs are completed within a single day. Larger commercial or rural road projects may take two to three days, depending on surface area and the preparation required. Your project timeline is confirmed at the quoting stage, so you know exactly what to expect before any work begins.
When can I drive on a newly sprayed bitumen surface?
In most cases, a newly sealed surface can be opened to light traffic within 24 hours of completion. However, you should avoid heavy vehicles and sharp turning movements for at least 48 to 72 hours. Bitmac Civils will give you clear post-application instructions specific to your surface type and conditions.
Do you handle surface preparation before sealing?
Yes, surface preparation is part of the job, not an optional add-on. Our team inspects and prepares each surface before any bitumen application begins. This covers crack repair, thorough cleaning, and base stabilisation where needed. Poor prep causes most early seal failures, which is why we treat it as a non-negotiable first step.
What areas of Perth do you service for bitumen sealing?
Bitmac Civils provides bitumen sealing services across metropolitan Perth and surrounding regions, including the northern suburbs, southern suburbs, the Perth Hills, and rural areas within the greater Perth region. If you’re unsure whether we cover your specific location, get in touch, and we’ll confirm straight away.