{"title":"Sealers \u0026 Surface Treatments","description":"\u003cp\u003eProtective sealers, coatings, and finishing products for concrete sleeper retaining walls — guard against moisture, staining, and UV wear while enhancing colour and surface finish.\u003c\/p\u003e","products":[{"product_id":"sv28-high-gloss-concrete-sealer","title":"SV28 High Gloss Acrylic Concrete Sealer — Clear \u0026 Tinted | 5L, 10L, 20L","description":"\u003cp\u003e\u003cstrong\u003eSV28 is a premium high-gloss acrylic concrete sealer\u003c\/strong\u003e trusted by concreters, landscapers, and retaining wall builders across Australia. With over 50 years of hands-on experience sealing exposed aggregate, decorative concrete, and concrete sleeper retaining walls, we recommend SV28 as the go-to topcoat where a hard-wearing, UV-stable gloss finish is required — no primer needed in most conditions.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're sealing a freshly poured exposed aggregate driveway in Sydney, a decorative concrete path in Brisbane, or locking in the colour on a \u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/concrete-sleepers\"\u003econcrete sleeper retaining wall\u003c\/a\u003e in Perth, SV28 delivers a consistent, long-lasting finish that resists grease, water, alkali attack, and UV degradation. We've applied this product on hundreds of jobs across every Australian climate — from the humidity of Queensland to the UV intensity of Western Australia — and it consistently outperforms cheaper alternatives in gloss retention and surface hardness.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Tradies and Builders Choose SV28\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-gloss acrylic finish\u003c\/strong\u003e — enhances colour depth and surface sheen on exposed aggregate and decorative concrete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior grease, water \u0026amp; alkali resistance\u003c\/strong\u003e — ideal for driveways, paths, pool surrounds, and retaining wall faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in UV absorber\u003c\/strong\u003e — protects colour and gloss from Australian sun degradation long-term\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo primer required\u003c\/strong\u003e in most standard concrete applications — saves time and cost on site\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in Clear and Tinted\u003c\/strong\u003e — clear for a natural finish, tinted to enhance or match existing colour tones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in 5L, 10L, and 20L\u003c\/strong\u003e — sized for small patch jobs through to large commercial pours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliant with Australian site safety requirements\u003c\/strong\u003e — full SDS available for download below\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCoverage \u0026amp; Application Guide\u003c\/h2\u003e\n\u003cp\u003eApply SV28 by roller or brush to clean, dry, fully cured concrete. For best results on porous surfaces, apply two coats — allow the first coat to dry fully (minimum 2 hours at 25°C) before recoating. Apply only when surface and ambient temperature is between 10°C and 35°C. Do not apply in direct sun, high humidity, or when rain is forecast within 4 hours of application.\u003c\/p\u003e\n\u003cp\u003eTypical coverage: \u003cstrong\u003e8–12m² per litre\u003c\/strong\u003e depending on surface porosity and texture. A 10L pail will cover approximately 80–120m² in two coats — sufficient for a standard residential driveway or a 15–20 lineal metre retaining wall face.\u003c\/p\u003e\n\n\u003ch2\u003eWhere to Use SV28\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExposed aggregate driveways and paths\u003c\/li\u003e\n\u003cli\u003eDecorative and stencilled concrete\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/concrete-sleepers\"\u003eConcrete sleeper retaining wall\u003c\/a\u003e faces\u003c\/li\u003e\n\u003cli\u003ePool surrounds and entertainment areas\u003c\/li\u003e\n\u003cli\u003eCommercial and residential hardscaping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eClear vs Tinted — Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eClear:\u003c\/strong\u003e Ideal where you want to protect and enhance the natural colour of the concrete without altering its appearance. The most popular choice for exposed aggregate and natural-tone sleepers. On a job we completed in Melbourne last year, two coats of SV28 Clear on a 40MPa exposed aggregate driveway produced a showroom-quality finish that the homeowner described as better than the original pour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTinted:\u003c\/strong\u003e Use when you want to deepen, enrich, or match an existing colour tone. Tinted SV28 is commonly used on decorative concrete and coloured sleeper walls where colour consistency across panels is critical — particularly useful when sealing \u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/charcoal-concrete-sleepers\"\u003echarcoal concrete sleepers\u003c\/a\u003e or \u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/woodgrain-concrete-sleepers\"\u003ewoodgrain concrete sleepers\u003c\/a\u003e to unify the finish.\u003c\/p\u003e\n\n\u003ch2\u003eDrainage \u0026amp; Wall System Compatibility\u003c\/h2\u003e\n\u003cp\u003eSV28 is designed to be used as part of a complete retaining wall system. For best long-term results, ensure your wall has adequate drainage behind the sleepers before sealing the face. Poor drainage is the number one cause of premature sealer failure on retaining walls — hydrostatic pressure forces moisture through the concrete face and lifts the sealer film. See our \u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/drainage-kits-ag-pipe-weep-holes\"\u003eDrainage Kits, Ag Pipe \u0026amp; Weep Holes\u003c\/a\u003e collection for everything you need to drain correctly before sealing.\u003c\/p\u003e\n\n\u003ch2\u003eStandards \u0026amp; Compliance\u003c\/h2\u003e\n\u003cp\u003eSV28 is formulated for use on concrete surfaces in accordance with general Australian concrete sealer application practices. For concrete sleeper retaining wall construction standards, refer to \u003ca href=\"https:\/\/www.standards.org.au\" target=\"_blank\" rel=\"noopener\"\u003eStandards Australia\u003c\/a\u003e and AS 4678-2002 (Earth-Retaining Structures). Always consult your local council for wall height approval thresholds before construction.\u003c\/p\u003e\n\n\u003ch2\u003eTECHNICAL DATA \u0026amp; APPLICATION SHEET\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/SV28-Technical-Data-Sheet-RWD.pdf?v=1784755622\" target=\"_blank\"\u003eDownload Technical Data \u0026amp; Application Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSAFETY DATA SHEET\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/SV28-SDS-with-RWD-cover_1.pdf?v=1784756040\" target=\"_blank\"\u003eDownload Safety Data Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use SV28 on concrete sleeper retaining walls?\u003c\/strong\u003e\u003cbr\u003eYes — SV28 is well suited to sealing the face of concrete sleeper retaining walls. It locks in colour, resists moisture ingress, and provides a clean gloss finish. Apply to clean, dry sleepers after installation and once drainage is confirmed to be working correctly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many coats does SV28 need?\u003c\/strong\u003e\u003cbr\u003eTwo coats are recommended for all applications. The first coat penetrates and seals the surface; the second coat builds the gloss and provides the full protective film. Allow a minimum of 2 hours drying time between coats at 25°C — longer in cooler or humid conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat temperature should I apply SV28?\u003c\/strong\u003e\u003cbr\u003eApply when the surface and ambient temperature is between 10°C and 35°C. Avoid application in direct sunlight on hot days — the sealer can dry too quickly, causing bubbling or uneven finish. Early morning application is ideal in summer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long before I can recoat or use the surface?\u003c\/strong\u003e\u003cbr\u003eAllow a minimum of 2 hours between coats. The surface is typically ready for light foot traffic within 4 hours and vehicle traffic within 24–48 hours depending on temperature and humidity. Full cure is achieved at 7 days.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs SV28 suitable for driveways?\u003c\/strong\u003e\u003cbr\u003eYes — SV28 is widely used on exposed aggregate and decorative concrete driveways. Its grease and water resistance makes it particularly suited to high-traffic residential and commercial driveway applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between SV28 Clear and Tinted?\u003c\/strong\u003e\u003cbr\u003eClear SV28 protects without altering the concrete's natural colour. Tinted SV28 adds a colour tone to enrich or match existing surfaces — ideal for decorative concrete and coloured sleeper panels where colour uniformity across the wall is important.\u003c\/p\u003e\n\n\u003ch2\u003eShop Related Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/concrete-sleepers\"\u003eConcrete Sleepers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/drainage-kits-ag-pipe-weep-holes\"\u003eDrainage Kits, Ag Pipe \u0026amp; Weep Holes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.retainingwallsdirect.com.au\/collections\/sealers-surface-treatments\"\u003eAll Sealers \u0026amp; Surface Treatments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Retaining Walls Direct","offers":[{"title":"5L \/ Clear","offer_id":52430621507864,"sku":"SV28-5L","price":70.9,"currency_code":"AUD","in_stock":true},{"title":"5L \/ Tinted","offer_id":52430678556952,"sku":null,"price":70.9,"currency_code":"AUD","in_stock":true},{"title":"10L \/ Clear","offer_id":52430621540632,"sku":"SV28-10L","price":124.25,"currency_code":"AUD","in_stock":true},{"title":"10L \/ Tinted","offer_id":52430678589720,"sku":null,"price":70.9,"currency_code":"AUD","in_stock":true},{"title":"20L \/ Clear","offer_id":52430621573400,"sku":"SV28-20L","price":199.6,"currency_code":"AUD","in_stock":true},{"title":"20L \/ Tinted","offer_id":52430678622488,"sku":null,"price":70.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/5595\/3688\/files\/SV28-concrete-sealer.jpg?v=1784754060"}],"url":"https:\/\/www.retainingwallsdirect.com.au\/collections\/sealers-surface-treatments.oembed","provider":"Retaining Walls Direct","version":"1.0","type":"link"}