# Aqua Shield HD™ > Advanced penetrating sealer for paving, porcelain, natural stone, tile, grout and concrete — protects against water and oil-based stains without altering the surface appearance. Applied across Perth, Western Australia. Aqua Shield HD is a water-based penetrating sealer built on nano technology. It soaks into the pores of the surface rather than sitting on top, chemically reacting to create a long-lasting, breathable, invisible barrier — no darkening, yellowing, gloss, cracking or peeling. One flood coat is all that is required, and a properly maintained surface can stay protected for up to 15 years. ## Pages - [Home](https://www.aquashieldhd.com.au/): what Aqua Shield HD is, why to seal, and how it protects your surfaces - [The Critical Importance of Sealing Travertine Tiles & Pavers](https://www.aquashieldhd.com.au/travertine-sealing) - [Do Porcelain Tiles Need to Be Sealed?](https://www.aquashieldhd.com.au/porcelain) - [Frequently Asked Questions](https://www.aquashieldhd.com.au/faqs) - [Contact](https://www.aquashieldhd.com.au/contact) - [Technical Data](https://www.aquashieldhd.com.au/technical-data): technical data and downloads - [Sealing Guides](https://www.aquashieldhd.com.au/sealing-articles): articles on sealing paving, porcelain, stone and concrete ## Why seal with Aqua Shield HD - Penetrating, not topical — no film to peel, crack, yellow or go slippery - Protects paving, porcelain, travertine, granite, bluestone, tile, grout and concrete - Breathable barrier that resists water and oil-based stains and makes cleaning easier - Non-toxic and safe for food-preparation areas and around pools - One coat, water-based, up to 15 years of protection ## Porcelain Porcelain tiles should be sealed — despite common belief, unsealed porcelain becomes difficult to clean within a year or two. Sealing with Aqua Shield HD renews and protects porcelain tile floors so they stay easy to clean for years. ## Contact - Phone: 0468 382 921 - Email: info@pavingsealer.com.au - Area served: Perth & Western Australia - Request a quote: https://www.aquashieldhd.com.au/contact