Dulux Avista Water Based Penetrating Sealer — Clear, Breathable Concrete Protection

The Dulux Avista Water Based Penetrating Sealer is a high-performance, clear protective treatment designed for porous concrete, exposed aggregate, concrete pavers, and natural stone surfaces. Unlike film-forming sealers that sit on the surface, this advanced water-based formula penetrates deep into the substrate, delivering long-lasting water repellency and stain resistance whilst maintaining the natural, unaltered appearance of your concrete.

Ideal for both residential and commercial applications, this sealer is engineered with very low VOC content and is PFAS free, making it a safer choice for applicators, homeowners, and the environment. It is breathable, allowing moisture vapour to escape from the substrate, which helps prevent blistering and delamination — a common issue with surface-film sealers.

Key Features & Benefits

• Penetrating Protection: Absorbs deep into the concrete to shield from within, rather than forming a surface film that can wear or peel.
• Natural Finish: Preserves the original colour and texture of your concrete — no gloss, no colour shift, no artificial shine.
• Water Repellent: Effectively repels water ingress, reducing the risk of efflorescence, freeze-thaw damage, and moisture-related deterioration.
• Stain Resistant: Minimises dirt pick-up and helps resist staining from everyday spills, making ongoing maintenance easier.
• Very Low VOC: Water-based formula with minimal odour — safe for use in enclosed spaces and around landscaping.
• PFAS Free: Formulated without per- and polyfluoroalkyl substances for enhanced environmental safety.
• Breathable: Allows trapped moisture vapour to escape, preventing the bubbling and peeling issues associated with non-breathable coatings.
• Fast Drying: Foot traffic in as little as 1 hour; light vehicle traffic after 12 hours.
• Easy Clean-Up: Tools and overspray clean up with water — no harsh solvents required.

Ideal Applications

This penetrating sealer is suitable for a wide range of porous concrete and masonry surfaces, including:

• Decorative concrete driveways and pathways
• Exposed aggregate finishes
• Concrete pavers and patio areas
• Natural stone surfaces
• Stamped and stencilled concrete
• Commercial and residential concrete flooring

It is particularly well suited to surfaces where you want protection without altering the visual character — for example, retaining the raw, natural look of exposed aggregate or the subtle tonal variation of decorative concrete.

Application Guidance

Surface Preparation: Ensure the surface is clean, dry, and free from dust, dirt, oil, grease, and existing coatings. New concrete must be fully cured (minimum 28 days). If the surface has been previously sealed with a film-forming product, it must be stripped before application.

Application Method: Apply using a low-pressure garden sprayer (recommended), brush, broom, or lambswool applicator. Do not use a roller, as it may cause uneven coverage and foaming. Apply a single, even coat — a second coat may be applied once the first is dry if the surface is highly porous.

Coverage: Approximately 4–8 m² per litre, depending on substrate porosity and profile. Highly textured or very dry concrete will absorb more product.

Drying Times:

• Foot traffic: ~1 hour (at 25 °C, 50% RH)
• Light vehicular traffic: ~12 hours
• Full cure: 24 hours

Clean-Up: Wash tools and equipment with water immediately after use.

Why Choose a Water-Based Penetrating Sealer?

Penetrating sealers like this Dulux Avista product offer distinct advantages over traditional film-forming alternatives. Because they soak into the concrete rather than sitting on top, there is no film to scratch, peel, or wear away under traffic. The protection lasts as long as the concrete surface itself remains intact — typically 5 to 10 years in normal conditions, compared to 1–3 years for a topical acrylic sealer. Additionally, the natural porosity and slip resistance of the concrete are preserved, which is an important safety consideration for driveways, pool surrounds, and footpaths.

Backed by the trusted Dulux Avista brand — Australia’s leading name in decorative concrete solutions — this sealer is formulated specifically for Australian conditions and is supported by comprehensive technical data and a nationwide network of applicators.

Frequently Asked Questions

1. Will this sealer change the colour or appearance of my concrete?

No. The Dulux Avista Water Based Penetrating Sealer is a true penetrating formula that soaks into the concrete without leaving a surface film. It preserves the natural colour, texture, and finish of your concrete. We always recommend testing a small, inconspicuous area first to confirm the result meets your expectations.

2. How long does the protection last before I need to reseal?

In typical Australian residential conditions, you can expect 5 to 10 years of effective protection. Because the sealer penetrates into the substrate rather than sitting on top, it only wears away if the concrete surface itself erodes. Factors such as heavy vehicle traffic, exposure to harsh chemicals, and extreme weather may shorten this interval. A simple water-bead test can tell you when it is time to reseal — if water no longer beads on the surface, a fresh application is recommended.

3. Can I use this sealer on a driveway that has been sealed before?

Yes, but with an important caveat: any existing film-forming sealer (such as an acrylic or solvent-based product) must be completely stripped before application. The penetrating sealer needs open pores to absorb properly. Use the Dulux Avista Sealer Stripper to remove old coatings, then clean and dry the surface thoroughly before applying this product. If the previous sealer was also a penetrating type, a clean and dry surface is usually sufficient — no stripping required.

4. Is this product safe to use around plants, lawns, and garden beds?

Yes. The water-based formula has very low VOC content and is PFAS free, making it a safer choice for use in landscaped areas. Unlike solvent-based sealers, there are no harsh chemical fumes that can damage nearby vegetation. As a precaution, we recommend covering sensitive plants during application and rinsing any accidental overspray with water immediately.

5. How soon after pouring new concrete can I apply this sealer?

New concrete must be fully cured before sealing — allow a minimum of 28 days from the date of pour. Sealing too early can trap moisture and lead to adhesion failure, white hazing, or blistering. If a curing compound was used during the initial pour, it must be removed prior to sealing, as it can block penetration.

6. Does this sealer make the surface slippery when wet?

No — this is one of the key advantages of a penetrating sealer. Because it absorbs into the concrete rather than forming a glossy film on top, the natural micro-texture and slip resistance of the surface remain unchanged. This makes it an excellent choice for pool surrounds, driveways, and footpaths where safety is a priority.

7. What is the coverage per litre, and how much do I need for my project?

Coverage varies between 4–8 m² per litre depending on the porosity and texture of your concrete. Smooth, dense surfaces sit at the higher end (closer to 8 m²/L), whilst rough, textured, or highly porous surfaces consume more product (closer to 4 m²/L). To calculate your requirements, measure your area in square metres and divide by the expected coverage rate. For large or complex projects, we recommend purchasing slightly more than your calculation to account for waste and absorption variation.