{"product_id":"projoint-pro-810-invisible-sealer-25l-solvent-based","title":"ProJoint PRO-810 Invisible Natural Stone \u0026 Paving Sealer – Solvent Based – 1L, 5L \u0026 25L","description":"\u003csection style=\"line-height: 1.5;\" class=\"product-page\"\u003e\n\n\u003ch2 style=\"margin-top: 0; margin-bottom: 16px;\"\u003eProJoint PRO-810 Invisible Natural Stone \u0026amp; Paving Sealer – Solvent Based\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eProJoint PRO-810 is a solvent-based invisible paving sealer designed to provide long-lasting protection while maintaining the natural appearance of the surface. Unlike colour-enhancing sealers, PRO-810 is designed to protect without intentionally darkening or enriching the colour of the paving, making it ideal when you want to preserve the original look of your stone.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eThe penetrating formulation helps protect natural stone and compatible concrete surfaces against water, oil, grease, everyday staining and weathering while remaining breathable. Available in 1 litre, 5 litre and 25 litre sizes, PRO-810 is suitable for everything from smaller paving areas to large patios and professional landscaping projects.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eImportant – When Can I Apply PRO-810?\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eNewly installed paving should be left for a minimum of 8 weeks before applying PRO-810. This allows moisture within the paving and installation to dissipate before the solvent-based sealer is applied.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eThe paving must also be completely dry before sealing. If the paving has been cleaned prior to application, allow it to dry thoroughly for at least 2 days before applying PRO-810, subject to weather and site conditions.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eInvisible Protection. Natural Finish.\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003ePRO-810 is the ideal choice when you want the protection of a quality paving sealer without noticeably changing the appearance of the stone. Once correctly applied and dry, it provides an invisible protective treatment that allows the natural colour, texture and character of the paving to remain the focus.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eMain Benefits\u003c\/h2\u003e\n\n\u003cul style=\"margin-top: 0; margin-bottom: 20px; padding-left: 20px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Invisible finish helps maintain the natural appearance of the paving\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Solvent-based penetrating formulation\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Helps protect against water penetration\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Helps resist oil and grease staining\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Helps protect against everyday stains and dirt\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Breathable treatment allows moisture vapour to escape\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Helps protect against weathering\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Ideal for natural stone patios, paths and landscaping\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Approximate coverage of 7–12m² per litre depending on the surface\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Available in 1L, 5L and 25L sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eInvisible Sealer or Colour Enhancing Sealer?\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eChoose PRO-810 when you want to protect your paving while keeping its existing natural appearance. If you want to intentionally deepen and enrich the colour of your natural stone, ProJoint PRO-420 ECO Colour Enhancing Sealer is the more suitable option.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eAvailable Sizes\u003c\/h2\u003e\n\n\u003cul style=\"margin-top: 0; margin-bottom: 20px; padding-left: 20px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e• 1 Litre – Approx. 10m² Coverage\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e• 5 Litres – Approx. 50m² Coverage\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e• 25 Litres – Approx. 250m² Coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin-bottom: 20px;\"\u003eThe coverage figures above are a simple guide based on approximately 10m² per litre. Manufacturer guidance gives typical coverage of approximately 7–12m² per litre, depending on the porosity, texture and condition of the surface.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eHow to Apply\u003c\/h2\u003e\n\n\u003col style=\"margin-top: 0; margin-bottom: 20px; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eWait – for newly installed paving, allow a minimum of 8 weeks before sealing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003ePrepare – ensure the paving is thoroughly clean and completely dry. If the surface has been cleaned, allow at least 2 days for it to dry thoroughly before sealing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eApply – apply PRO-810 evenly to the prepared surface in accordance with the manufacturer's application instructions.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eAdditional Treatment – more porous surfaces may absorb additional product. Follow the manufacturer's guidance for subsequent application.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eDry – protect the treated paving from rain and moisture during application and drying.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2 style=\"margin-top: 28px; margin-bottom: 12px;\"\u003eIdeal Uses\u003c\/h2\u003e\n\n\u003cul style=\"margin-top: 0; margin-bottom: 10px; padding-left: 20px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Natural stone patios\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Sandstone paving\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Compatible limestone paving\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Paths and walkways\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Courtyards and seating areas\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Compatible concrete paving and landscaping surfaces\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e✓ Projects where the original appearance of the paving needs to be retained\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003ePRO-810 is not designed for porcelain paving.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\n\u003cp\u003e==specification-part==\u003c\/p\u003e\n\n\u003cstyle\u003e\n.product-spec {\n  max-width: 1080px;\n  margin: 0 auto;\n  background: #ffffff;\n  border: 1px solid var(--border, #ddd);\n  font-size: 0.9rem;\n}\n.spec-table {\n  width: 100%;\n  border-collapse: collapse;\n}\n.spec-table th,\n.spec-table td {\n  border: 1px solid var(--border, #ddd);\n  padding: 8px 14px;\n  text-align: left;\n  vertical-align: top;\n}\n.spec-table .spec-main-header th {\n  background: #f2f2f2;\n  text-transform: uppercase;\n  letter-spacing: 0.08em;\n  font-size: 0.78rem;\n  font-weight: 600;\n  color: var(--accent, #666);\n}\n.spec-table .spec-section-header th {\n  background: #e7e7e7;\n  text-transform: uppercase;\n  letter-spacing: 0.08em;\n  font-size: 0.78rem;\n  font-weight: 600;\n  color: var(--accent, #666);\n}\n.spec-label {\n  width: 32%;\n  background: #fafafa;\n  font-weight: 600;\n  white-space: nowrap;\n}\n.spec-value {\n  background: #ffffff;\n  font-weight: 400;\n}\n.spec-note {\n  display: block;\n  margin-top: 4px;\n  font-size: 0.8rem;\n  color: var(--accent, #777);\n  font-weight: 400;\n}\n.footer-note {\n  padding: 10px 14px;\n  font-size: 0.78rem;\n  color: var(--accent, #777);\n  font-weight: 400;\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"product-spec\"\u003e\n\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\n\u003ctr class=\"spec-main-header\"\u003e\n\u003cth colspan=\"2\"\u003eProduct Specifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eGeneral\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eNexus Pro Systems Ltd\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eProduct\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eProJoint PRO-810\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eInvisible Penetrating Paving Sealer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eBase\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSolvent Based\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003e1L, 5L \u0026amp; 25L\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eFinish\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eInvisible \/ Natural Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eWhen to Apply\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eNewly Installed Paving\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003e\nWait a minimum of 8 weeks after installation before applying PRO-810\n\u003cspan class=\"spec-note\"\u003eThis allows moisture within the paving and installation to dissipate before sealing.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eSurface Condition\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eThe paving must be completely dry before application\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eAfter Cleaning\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003e\nAllow the paving to dry thoroughly for at least 2 days before sealing\n\u003cspan class=\"spec-note\"\u003eLonger may be required depending on weather, temperature and the porosity of the paving.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eProtection \u0026amp; Performance\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eColour Enhancing\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eNo – designed to retain the natural appearance of the paving\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eBreathable\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eWater Protection\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eHelps protect against water penetration and associated staining\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eOil \u0026amp; Grease Protection\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eHelps resist oil and grease contamination\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eStain Protection\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eHelps protect against everyday staining and dirt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eWeather Protection\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eHelps protect compatible external paving against weathering\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eApproximate Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eManufacturer Coverage\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eApprox. 7–12m² per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003e1 Litre\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eApprox. 10m² guide coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003e5 Litres\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eApprox. 50m² guide coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003e25 Litres\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eApprox. 250m² guide coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eCoverage Note\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eActual coverage varies according to surface porosity, texture, condition and application rate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eSuitable Surfaces\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eNatural Stone\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSuitable where compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eSandstone\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSuitable where compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eLimestone\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSuitable where compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eConcrete\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSuitable where compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003ePorcelain Paving\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eNot suitable \/ not designed for porcelain paving\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003ePreparation\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eEnsure the surface is thoroughly clean, completely dry and free from dust, dirt, grease and loose material before application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eApplication\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eApply evenly to the prepared surface in accordance with the latest Nexus Pro Systems application instructions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003ePorous Surfaces\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eMore porous materials may absorb additional sealer and require further treatment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eWeather\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eDo not apply when rain, moisture or unsuitable weather conditions could affect application or curing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003ePRO-810 vs PRO-420 ECO\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003ePRO-810\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eSolvent-based invisible protection designed to retain the natural appearance of the paving\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003ePRO-420 ECO\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eWater-based colour-enhancing protection designed to deepen and enrich the appearance of the stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr class=\"spec-section-header\"\u003e\n\u003cth colspan=\"2\"\u003eManufacturer Information\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eNexus Pro Systems Ltd\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eRange\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eProJoint Sealers \u0026amp; Surface Treatments\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth class=\"spec-label\"\u003eManufacturer Guidance\u003c\/th\u003e\n\u003ctd class=\"spec-value\"\u003eAlways follow the latest Nexus Pro Systems preparation, application, technical and safety guidance before use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"footer-note\"\u003e\nImportant: newly installed paving should be left for a minimum of 8 weeks before PRO-810 is applied. The paving must be completely dry before sealing. Always test on a small, inconspicuous area before treating the complete installation to confirm compatibility and final appearance.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Primethorpe Paving","offers":[{"title":"1L – Approx. 10m² Coverage","offer_id":67582570954981,"sku":"PRO8101*","price":30.0,"currency_code":"GBP","in_stock":true},{"title":"5L – Approx. 50m² Coverage","offer_id":67582570987749,"sku":"PRO8105*","price":100.0,"currency_code":"GBP","in_stock":true},{"title":"25L – Approx. 250m² Coverage","offer_id":67582571020517,"sku":"PRO81025*","price":415.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/7849\/7509\/files\/ProJoint_PRO810_Main_Product.webp?v=1790600461","url":"https:\/\/primethorpepaving.co.uk\/products\/projoint-pro-810-invisible-sealer-25l-solvent-based","provider":"Primethorpe Paving","version":"1.0","type":"link"}