{"product_id":"sovereign-hey-di-antisulphate-advanced-salt-neutralising-treatment-for-damp-salt-affected-masonry","title":"Sovereign Hey’di Antisulphate - Advanced Salt Neutralising Treatment for Damp \u0026 Salt‑Affected Masonry","description":"\u003ch3\u003eAdvanced Salt Neutralising Treatment for Damp \u0026amp; Salt‑Affected Masonry\u003c\/h3\u003e\n\u003cp\u003eA clear, water-based pre-treatment specifically designed to neutralise soluble salts (e.g. sulphates, chlorides, nitrates) in porous masonry. Essential for basement tanking, flood remediation, chimney repairs, rising-damp projects, and any situation where salt contamination could compromise coatings or tanking systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemically stabilises hygroscopic salts\u003c\/strong\u003e, converting them into insoluble compounds to prevent efflorescence and render failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep-penetrating liquid\u003c\/strong\u003e reaches deep into brick, stone, or concrete for effective substrate stabilisation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStops damp patch recurrence\u003c\/strong\u003e, salt staining, and coating blow-off from rising salts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible as a primer\u003c\/strong\u003e with cementitious tanking slurries, renders, breathable coatings, and mineral finishes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Clear, water-like liquid containing metal fluorosilicates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Sizes:\u003c\/strong\u003e 5 kg \u0026amp; 10 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Approx. 17.5–22.5 m² per 5 kg two-coat system (dependent on porosity).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 12 months unopened; store in cool conditions (+5 °C to +30 °C).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eHow to Use\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRemove all salt-damaged plaster, render, coatings until bare porous substrate is exposed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirst coat (1:1 dilution with water)\u003c\/strong\u003e — apply via brush or coarse garden sprayer until surface saturation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow to dry for 6–18 hours\u003c\/strong\u003e, depending on temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond coat neat\u003c\/strong\u003e — reapply until saturation.\u003c\/li\u003e\n\u003cli\u003eOnce fully dry, proceed with tanking, rendering, or decorating — no additional wait time required.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch4\u003eUsage Guidelines \u0026amp; Limitations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOnly for \u003cstrong\u003eclean, bare, porous masonry\u003c\/strong\u003e. Not suitable for gypsum plaster, bituminous coatings, painted or sealed surfaces.\u003c\/li\u003e\n\u003cli\u003eCan be applied indoors with adequate ventilation — low odour, water-based.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a permanent finish\u003c\/strong\u003e—must be followed by waterproofing, rendering, or coatings.\u003c\/li\u003e\n\u003cli\u003eAvoid use outside \u003cstrong\u003e+5 °C to +30 °C\u003c\/strong\u003e to ensure proper absorption and reaction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eIdeal For\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBasement waterproofing (Hey’di K11 systems)\u003c\/li\u003e\n\u003cli\u003eChimney breast refurbishment\u003c\/li\u003e\n\u003cli\u003eFlood-damage remediation\u003c\/li\u003e\n\u003cli\u003eRising damp salt stabilisation\u003c\/li\u003e\n\u003cli\u003eAny porous masonry prior to coating application\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIY Refurb","offers":[{"title":"10kg","offer_id":56839339901193,"sku":"30835927","price":86.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/4040\/2697\/files\/Heydi-Antisulphate-Pic.webp?v=1771854527","url":"https:\/\/instock.net\/products\/sovereign-hey-di-antisulphate-advanced-salt-neutralising-treatment-for-damp-salt-affected-masonry","provider":"InStock","version":"1.0","type":"link"}