{"product_id":"limestone-sealer-waterproofing-breathable-clear-water-seal-for-limestone","title":"Limestone Sealer WATERPROOFING - Breathable Clear Water Seal for Limestone","description":"\u003cdiv\u003eMSP BOND Limestone Sealer — manufactured by Carbusonic — is a colourless, UV-resistant silane-siloxane water-repellent formulated specifically for absorbent limestone. It chemically bonds to carbonate surfaces to deliver breathable protection from penetrating damp while keeping stone looking clean and natural.\u003c\/div\u003e\n\u003cdiv\u003eWhy choose MSP BOND for limestone?\u003c\/div\u003e\n\u003cdiv\u003eProtects against penetrating damp and driving rain.\u003c\/div\u003e\n\u003cdiv\u003eDesigned for old and new buildings — ideal for conservation, restoration and maintenance.\u003c\/div\u003e\n\u003cdiv\u003eBreathable: will not block pores — water vapour can escape, preventing trapped moisture and spalling.\u003c\/div\u003e\n\u003cdiv\u003eColourless finish — minimal visual change to the stone.\u003c\/div\u003e\n\u003cdiv\u003eRapid curing for quicker project turnaround.\u003c\/div\u003e\n\u003cdiv\u003eDeep penetration: typically 2–10 mm into absorbent stone for durable protection.\u003c\/div\u003e\n\u003cdiv\u003eEasy application — brush, lambswool roller or coarse spray.\u003c\/div\u003e\n\u003cdiv\u003eTechnical highlights\u003c\/div\u003e\n\u003cdiv\u003eBased on UV-resistant silane-siloxane resins that chemically bond to limestone carbonates.\u003c\/div\u003e\n\u003cdiv\u003eBest suited to absorbent limestone — not recommended for very dense, non-absorbent stone.\u003c\/div\u003e\n\u003cdiv\u003eMaintains vapour permeability while providing long-lasting water repellence.\u003c\/div\u003e\n\u003cdiv\u003eCoverage \u0026amp; Performance\u003c\/div\u003e\n\u003cdiv\u003eTypical coverage: 1 L covers approx. 2–4 m² (varies with porosity and method).\u003c\/div\u003e\n\u003cdiv\u003eBrush application: aim for 1 L per 2.5–3.5 m² per coat to ensure adequate saturation. At least two coats applied wet-on-wet are recommended for best protection.\u003c\/div\u003e\n\u003cdiv\u003ePenetration: typically 2–10 mm depending on substrate porosity.\u003c\/div\u003e\n\u003cdiv\u003eBest results: apply when no rain is expected for 24 hours after application.\u003c\/div\u003e\n\u003cdiv\u003eApplication — quick guide\u003c\/div\u003e\n\u003cdiv\u003ePreparation: Ensure the limestone is clean, dry and free of dust, salt deposits or biological growth. Test a small, inconspicuous area first to confirm appearance and absorption.\u003c\/div\u003e\n\u003cdiv\u003eBrush \/ lambswool roller (small or detailed areas)\u003c\/div\u003e\n\u003cdiv\u003eRecommended for small walls, around windows, or architectural details.\u003c\/div\u003e\n\u003cdiv\u003eApply liberally to saturate the surface. Use enough product so the substrate is thoroughly wetted — success depends on adequate application.\u003c\/div\u003e\n\u003cdiv\u003eApply at least two coats wet-on-wet (i.e., apply the second coat before the first begins to cure).\u003c\/div\u003e\n\u003cdiv\u003eCoarse spray (large areas)\u003c\/div\u003e\n\u003cdiv\u003eIdeal for large façades and open walls.\u003c\/div\u003e\n\u003cdiv\u003eStart at the highest point and work side-to-side, allowing a 15–30 cm run-down of product for even penetration.\u003c\/div\u003e\n\u003cdiv\u003eFlood coat twice (apply wet-on-wet) for best results. On less absorbent limestone one thorough coat may suffice.\u003c\/div\u003e\n\u003cdiv\u003eSuitable Uses\u003c\/div\u003e\n\u003cdiv\u003eExternal limestone façades, restoration projects, listed buildings, stone trims, memorials, lintels, and porous architectural stonework.\u003c\/div\u003e\n\u003cdiv\u003ePrecautions \u0026amp; Storage\u003c\/div\u003e\n\u003cdiv\u003eNot suitable for non-absorbent stone or waterproof materials.\u003c\/div\u003e\n\u003cdiv\u003eDo not apply during rain, frost, or when surface\/air temperature is below 5°C or above 30°C.\u003c\/div\u003e\n\u003cdiv\u003eKeep out of reach of children. Use suitable PPE (gloves, eye protection).\u003c\/div\u003e\n\u003cdiv\u003eStore in original sealed containers in a cool, dry place away from direct sunlight.\u003c\/div\u003e\n\u003cdiv\u003ePack sizes available\u003c\/div\u003e\n\u003cdiv\u003e500ml ,1 L, 2 L, 5 L, 20 L, — choose the right pack for DIY, trade or production.\u003c\/div\u003e\n\u003cdiv\u003eProtect your limestone the right way. MSP BOND provides invisible, breathable defence that preserves the look and integrity of historic and modern stonework.\u003c\/div\u003e\n\u003cdiv\u003eAdd to cart now — choose your pack size and request the Technical Data Sheet (TDS) or application advice if needed.\u003c\/div\u003e","brand":"Raincheck","offers":[{"title":"500ml","offer_id":54920747614541,"sku":"167797193171-500ml","price":24.99,"currency_code":"GBP","in_stock":true},{"title":"1000ml","offer_id":54920747647309,"sku":"167797193171-1000ml","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"2000ml","offer_id":54920747680077,"sku":"167797193171-2000ml","price":32.99,"currency_code":"GBP","in_stock":true},{"title":"5lt","offer_id":54920747712845,"sku":"167797193171-5lt","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"20lt","offer_id":54920747745613,"sku":"167797193171-20lt","price":190.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/6924\/0397\/files\/s-l1600_46e61e49-79ae-4ad5-bc5c-09fb6dc9a91c.webp?v=1790760703","url":"https:\/\/carbusonic.co.uk\/products\/limestone-sealer-waterproofing-breathable-clear-water-seal-for-limestone","provider":"Carbusonic","version":"1.0","type":"link"}