{"product_id":"natcem-ac-25kg","title":"Natcem AC 25kg","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eNatcem AC is an environmentally friendly, fast-setting natural cement mortar suitable for application from a minimum of 3mm to any thickness, by trowel or pump. Formulated from a blend of natural cement binder, retarder and specially selected graded aggregates passing a 250 micron sieve, it requires only the addition of water — no primers, bonding agents or curing agents needed. Sets in 35–40 minutes at 20°C, achieves 32 MPa compressive strength at 28 days, and can be overcoated within one hour of setting. Suitable for use underwater and down to 0°C. DWI Regulation 31 approved (ref: 56\/4\/840) and WRAS approved (ref: 250155059) for contact with potable water. Supplied in 25kg bags.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFast setting — commences at 35 minutes, complete at 40 minutes at 20°C\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eRapid strength gain — 4 MPa at 1 hour, 32 MPa at 28 days\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSuitable from 3mm minimum thickness to any depth in a single application\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eNo primers, bonding agents or curing agents required — just add water\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSulphate resistant, chloride resistant and high chemical resistance\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWaterproof with very low shrinkage and fine surface finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSets underwater and usable down to 0°C\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDWI Reg.31 and WRAS approved for contact with potable water\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCan be applied by trowel or pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMix ratio: 1 x 25kg bag with 5–5.5 litres of water produces approximately 15 litres of mortar\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCoverage: approximately 3m² at 3mm depth per 25kg bag\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDo not apply additional water during finishing — may cause surface cracking\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eOnce setting has started, do not remix or smooth the surface\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDo not use on frozen or overheated substrates (outside 0°C–30°C range)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eShelf life: minimum 12 months in dry storage conditions\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAlways refer to the Natcem AC Product Data Sheet before use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Natural Cement","offers":[{"title":"Default Title","offer_id":57431375806796,"sku":"BM06258","price":43.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1046\/6715\/2716\/files\/natural-cement-mortar-natcem-ac-25kg-1235054111.jpg?v=1777650393","url":"https:\/\/www.constructionsuppliesuk.co.uk\/products\/natcem-ac-25kg","provider":"Construction Supplies UK","version":"1.0","type":"link"}