{"product_id":"steintec-csr-extra-5ltr","title":"Weiss CSR Extra Cement \u0026 Mortar Residue Remover – 5L","description":"\u003ch2\u003e\u003cspan\u003eWeiss CSR Extra Cement \u0026amp; Mortar Residue Remover – 5L\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWeiss CSR Extra is a powerful acid-based cleaner designed to remove stubborn cement, mortar and grout residue from suitable paving, masonry and brickwork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDeveloped for more difficult cement-based contamination, CSR Extra is particularly effective on polymer-modified cement products, calcium aluminate and hybrid mortars.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is especially useful for removing stubborn residue associated with \u003c\/span\u003e\u003ca href=\"https:\/\/pcrsol.co.uk\/products\/steintec-tuffjoint\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cspan\u003eSteintec tuffjoint\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e\u003ca href=\"https:\/\/pcrsol.co.uk\/products\/steintec-tuffjoint\" target=\"_blank\" rel=\"noopener\"\u003e,\u003c\/a\u003e as well as other difficult cementitious paving and jointing products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for acid-resistant stone, porcelain, clay paving, masonry and brickwork.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRemoves stubborn cement and mortar residue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEffective on difficult polymer-modified cement products\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for calcium aluminate and hybrid mortar residue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps remove grout and jointing mortar staining\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemoves efflorescence from paving and masonry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for acid-resistant paving materials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for porcelain and clay paving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for masonry and brickwork\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps inhibit rust formation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCan be used neat or diluted depending on contamination\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5 litre container\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTypical coverage approximately 10–15m² per 5 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBest Used With\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWeiss CSR Extra is particularly suited for removing stubborn residue following installation with \u003c\/span\u003e\u003ca href=\"https:\/\/pcrsol.co.uk\/products\/steintec-tuffjoint\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cspan\u003eSteintec tuffjoint Dry-Apply Jointing Mortar\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003etuffjoint is a cementitious jointing mortar based on calcium aluminate cement technology, making CSR Extra the more appropriate Weiss cleaner where stubborn cured residue requires additional cleaning power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways test a small inconspicuous area before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQuick Application Guide\u003c\/span\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eEnsure the surface temperature is at least 5°C.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply CSR Extra neat or dilute with cold water as required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAgitate the affected area thoroughly using a suitable brush.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not allow the cleaner to dry on the surface.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRinse thoroughly with plenty of clean water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRepeat the process if required.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor final cleaning, use a suitable pH-neutral cleaner such as Weiss Pave Clean Pro to remove remaining acidic residue and cement dust.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWeiss CSR Extra contains phosphoric acid and should only be used on suitable acid-resistant surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eUse with caution on precast concrete, marble, limestone and sandstone, as the paving surface or jointing mortar colour may be affected.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways test an inconspicuous area first and dilute where necessary. Maximum dilution is \u003c\/span\u003e1:20 with cold water.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable protective clothing and PPE must be worn during use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways refer to the latest Weiss \/ Steintec technical data sheet and safety data sheet before application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePack size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5 litres\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heavy-duty acid-based cement residue cleaner\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTypical coverage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 10–15m² per 5 litres\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum dilution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1:20 with cold water\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMinimum application temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5°C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSuitable for:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Acid-resistant stone, porcelain, clay paving, masonry and brickwork\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCoverage will vary depending on the level of contamination, surface type and dilution used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAvailable for collection from Pure Clean Rental Solutions in Bredbury, Stockport, or local delivery throughout Stockport, Manchester and surrounding areas. All prices displayed on our product pages exclude VAT. VAT will be added during checkout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCall us on 0161 430 5390, email \u003c\/span\u003e\u003ca href=\"mailto:sales@pcrsol.co.uk\"\u003e\u003cspan\u003esales@pcrsol.co.uk\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, or contact us through our website live chat.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pure Clean Rental Solutions","offers":[{"title":"Default Title","offer_id":56345017680251,"sku":"SWCSRE","price":28.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/3897\/5027\/files\/steintec-weiss-csr-extra-5ltr-pure-clean-rental-solutions-477966.jpg?v=1784739282","url":"https:\/\/pcrsol.co.uk\/products\/steintec-csr-extra-5ltr","provider":"Pure Clean Rental Solutions","version":"1.0","type":"link"}