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Frequently Asked Questions

Q: How often should I seal my stone? - Sealing Natural Stone

• A: It depends on the type of sealer used and the amount of foot traffic the stone is being exposed to. Australia's Deepshield™ range of deep impregnating water based sealer's offer long term benefits with Deepshield™ Gold lasting up to 15 years. Topical sealer's have a life expectancy of around 3 years. If you have a high amount of foot traffic or perhaps severe weather conditions you may experience a shorter lifetime. Sealing your stone can also depend on the surfaces condition. Once stone starts showing patchy areas and is staining easily then you should have it resealed. Give us a call and we can assist you with all your enquiries.

Other FAQs :

• Q: Can penetrating sealers be applied over existing topical sealers?
• A: No, it is not possible to apply penetrating sealers over existing topical sealers. This is because topical sealers create a barrier on the surface of the material, preventing effective absorption of the penetrating sealer. To achieve the desired results, it is necessary to remove any existing topical sealer before applying a penetrating sealer. By removing the topical sealer, you allow the penetrating sealer to penetrate the material and provide the intended protection and benefits. Removing the topical sealer ensures the maximum effectiveness of the penetrating sealer and optimizes the overall sealing process.
• Q: What is the purpose of using sealer and coating agents on stone?
• A: The idea of using sealers on stone surface is to prevent water from penetrating the porous structure of the stone, which eventually leads to stains, cracks, weathering, and deterioration. There are largely two types of chemical agents for stone cleaning.
• Q: What is the usual lifespan of the sealer before it requires reapplication?
• A: The lifespan of a sealer before reapplication is influenced by the type of sealer used. Topical sealers typically provide protection for approximately 3 years before requiring reapplication. In contrast, impregnating sealers are more durable and can last up to 15 years or even a lifetime when applied to vertical surfaces. However, areas with high foot traffic or frequent use may necessitate more frequent inspections and resealing to ensure ongoing protection. Conducting a water absorption test can help assess the porosity of the surface and aid in selecting a sealer with longer-lasting durability. It is advisable to refer to the guidelines provided by the manufacturer and consult professionals to determine the specific reapplication schedule suitable for your tiles and grout.
• Q: How long does the sealer need to dry for it to fully cure?
• A: The drying time required for a sealer to fully cure can vary depending on the specific product being used. In general, most sealers have a relatively quick drying time, with the surface becoming touch-dry within approximately 4 hours. This applies to both penetrating sealers and topical sealers. Penetrating sealers typically complete their curing process within 24 hours, while topical sealers may take up to 48 hours to fully dry. It is crucial to carefully follow the instructions provided by the manufacturer regarding the recommended drying time. Doing so ensures that the sealer properly sets and provides the intended level of protection. Adhering to the specified drying time will help guarantee the longevity and effectiveness of the sealer on your tiles.
• Q: Is it possible to remove efflorescence that has developed on stone surfaces?
• A: Yes, efflorescence, which is the accumulation of salts, can be removed using specific efflorescence removers and specialized cleaning techniques. Efflorescence often arises from sources such as leaks behind the stone, tiles, or damaged grout lines. While efflorescence can be successfully removed, it is crucial to address and resolve the underlying cause to prevent its recurrence. By addressing the root issue and employing appropriate cleaning methods, efflorescence can be effectively eliminated from stone surfaces.

For More Questions

FAQs » Sealing Natural Stone

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