{"title":"Building Chemicals | Building Supplies","description":"","products":[{"product_id":"sikabond-rapid-dpm","title":"Sikabond Rapid DPM","description":"Sikabond Rapid DPM is a fast-drying, ready-to-use damp proof membrane designed for preparing sub-floors before installing wood flooring. It acts as a primer, consolidator, and sealing coat, making it ideal for both new installations and refurbishment projects where the sub-floor condition may be less than perfect.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSikabond Rapid DPM is used for priming, consolidating, and sealing both absorbent and non-absorbent sub-floors. It is particularly effective at strengthening weak cement screeds and isolating old adhesive residues, helping to create a stable and reliable surface for floor coverings.\n\nThe product can also be used as a damp proof membrane on sub-floors that are not subject to hydrostatic pressure. It is suitable for use over underfloor heating systems, provided moisture levels do not exceed 3% (CM method) or 4.5% when measured using a Tramex meter.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis one-part product is supplied ready to use, removing the need for mixing and reducing installation time. Sikabond Rapid DPM dries rapidly, typically within around 45 minutes at 20°C and 50% relative humidity, allowing work to progress quickly.\n\nIt is fully compatible with all SikaBond® wood flooring adhesives and is especially suited to refurbishment projects where old adhesive residues remain. The product can be easily applied using a roller or squeegee and spreads smoothly thanks to its sag-free, free-flowing consistency.\n\nSkinning and laying time is approximately 10–20 minutes at 20°C and 50% relative humidity.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSikabond Rapid DPM is supplied in a 5 litre jerry can and is brown in colour.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Sikabond Rapid DPM used for?\u003c\/h4\u003e\n\nSikabond Rapid DPM is used to prime, seal, and consolidate sub-floors before flooring installation, as well as acting as a damp proof membrane on suitable sub-floors.\n\n\u003ch4\u003eCan Sikabond Rapid DPM be used with underfloor heating?\u003c\/h4\u003e\n\nYes, it is suitable for use over underfloor heating systems, provided the moisture levels are within the specified limits.\n\n\u003ch4\u003eHow long does Sikabond Rapid DPM take to dry?\u003c\/h4\u003e\n\nUnder normal conditions, it dries in approximately 45 minutes, with a skinning time of around 10–20 minutes, allowing for fast installation turnaround.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":52605650698582,"sku":"171131","price":94.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sikabond-rapid-dpm-2692558.jpg?v=1772638633"},{"product_id":"sika-dpm-908-black-jack","title":"Sika DPM 908 Black Jack","description":"Sika DPM 908 Blackjack is a ready-to-use, rubber-enriched bitumen membrane designed to provide reliable damp proofing and waterproof protection across a wide range of construction applications. It forms a durable barrier against water and water vapour, making it a trusted solution for both domestic and commercial projects.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSika DPM 908 Blackjack is commonly used to create sandwich damp-proof membranes for floors, helping to prevent moisture rising through concrete and screeds. It is also widely used for general waterproofing of fibre cement, render, and plastered surfaces.\n\nThe product is suitable for waterproofing structural elements such as bridge abutments, retaining walls, and culverts. In addition, it can be used as an adhesive for fixing wood blocks and wooden mosaic flooring, as well as a bonding agent for plastering onto difficult substrates such as glazed tiles.\n\nSika DPM 908 Blackjack is also effective for fixing insulation boards, expanded polystyrene, and cork slabs, and can be used as a curing agent for concrete.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nOnce applied, Sika DPM 908 Blackjack forms an impervious barrier against both water and water vapour on most surfaces. It is suitable for both internal and external use and offers excellent versatility, as it can also function as an adhesive or bonding aid.\n\nThe product is low hazard, allows for easy water clean-up, and has a low odour once cured, making it more pleasant to use on site.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSika DPM 908 Blackjack is supplied in 5 litre and 25 litre tins and dries black once fully cured.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Sika DPM 908 Blackjack used for?\u003c\/h4\u003e\n\nIt is used for damp proofing and waterproofing floors, walls, and structural elements, as well as for bonding and adhesive applications in construction projects.\n\n\u003ch4\u003eCan Sika DPM 908 Blackjack be used indoors and outdoors?\u003c\/h4\u003e\n\nYes, it is suitable for both internal and external applications when used in accordance with the manufacturer’s guidelines.\n\n\u003ch4\u003eIs Sika DPM 908 Blackjack suitable for bonding materials?\u003c\/h4\u003e\n\nYes, it can be used as an adhesive or bonding aid for materials such as wood flooring, insulation boards, and difficult plastering substrates.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"5L","offer_id":52605650862422,"sku":"171448","price":35.85,"currency_code":"GBP","in_stock":true},{"title":"25L","offer_id":52605650895190,"sku":"171449","price":121.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sika-dpm-908-black-jack-4808214.jpg?v=1772638633"},{"product_id":"febmix-admix-original-mortar-plasticiser","title":"Febmix Admix Original Mortar Plasticiser","description":"Febmix Admix Original Mortar Plasticiser is a high-quality air-entraining plasticiser designed to improve the performance and workability of bricklaying and block-laying mortars. It helps produce a smoother, more workable mix while increasing strength and durability once cured.\n\nThis product is widely trusted by trades for everyday masonry work, delivering consistent results on site with less effort during mixing and application.\n\n\u003ch3\u003eUsage \u0026amp; Performance\u003c\/h3\u003e\n\nFebmix Admix Original is added directly to mortar mixes to improve workability and reduce the amount of water required. By entraining air into the mix, it helps prevent shrinking and cracking during the curing process, resulting in a more durable finished mortar.\n\nThe water-reducing properties make the mortar easier to spread and lay, improving bond strength and overall finish. Being chloride-free, it is safe for use in most masonry applications without increasing the risk of corrosion.\n\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\nThis air-entraining plasticiser produces stronger, more workable mortar that is easier to use on site. It helps reduce cracking during curing, improves cohesion, and delivers a consistent mix every time.\n\nFebmix Admix Original is also chloride-free, making it suitable for general construction use where long-term durability is required.\n\n\u003ch3\u003eSafety, Packaging \u0026amp; Size\u003c\/h3\u003e\n\nFebmix Admix Original Mortar Plasticiser carries hazard safety codes R22, R36, and R38 and should be used in accordance with standard safety guidance.\n\nThe product is available in 5 litre and 25 litre containers, making it suitable for both small jobs and larger construction projects.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat does a mortar plasticiser do?\u003c\/h4\u003e\n\nA mortar plasticiser improves workability, reduces water demand, and helps produce a stronger, more durable mortar that is easier to lay.\n\n\u003ch4\u003eDoes Febmix Admix Original help prevent cracking?\u003c\/h4\u003e\n\nYes, its air-entraining properties help reduce shrinkage and cracking during the curing process.\n\n\u003ch4\u003eIs Febmix Admix Original safe to use in masonry work?\u003c\/h4\u003e\n\nYes, it is chloride-free and suitable for most brick and block-laying applications when used as directed.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"5L","offer_id":52605650960726,"sku":"171415","price":5.05,"currency_code":"GBP","in_stock":true},{"title":"25L","offer_id":52605650993494,"sku":"171468","price":24.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/febmix-admix-original-mortar-plasticiser-2065480.jpg?v=1772638633"},{"product_id":"febmix-admix-original-sw","title":"Febmix Admix Original SW","description":"Febmix Admix Original SW is an air-entraining mortar plasticiser designed to replace lime in the mix, producing a smooth, “butter-like” consistency that is easy to work with. It improves the overall quality of mortar while helping to prevent common issues such as shrinkage, cracking, and crazing during the setting process.\n\nThis specially formulated South West (SW) version is designed for use in South Wales and the West Country, where local conditions require enhanced performance.\n\n\u003ch3\u003eUsage \u0026amp; Performance\u003c\/h3\u003e\n\nFebmix Admix Original SW is suitable for use in both bricklaying and plastering mortars. It improves cohesion, reduces bleed and segregation, and helps deliver a more consistent mix on site.\n\nThe product also helps to reduce efflorescence, improving the appearance of finished masonry. Once set, it provides a degree of frost resistance and long-term protection against freeze-thaw cycles, making it well suited to exposed environments.\n\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\nBy reducing shrinkage and improving workability, Febmix Admix Original SW produces stronger, more durable mortar with a superior finish. Its air-entraining properties help enhance long-term performance while making mortar easier to mix, spread, and lay.\n\nThe SW-specific formulation ensures reliable results in regional conditions commonly found in South Wales and the South West of England.\n\n\u003ch3\u003ePackaging \u0026amp; Size\u003c\/h3\u003e\n\nFebmix Admix Original SW is available in 5 litre and 25 litre containers, suitable for both small-scale and larger construction projects.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between Febmix Admix Original and the SW version?\u003c\/h4\u003e\n\nThe SW version is specially formulated for use in South Wales and the West Country, providing improved performance in local climate and site conditions.\n\n\u003ch4\u003eCan Febmix Admix Original SW replace lime in mortar?\u003c\/h4\u003e\n\nYes, it is designed to replace lime in the mix, delivering a smooth, workable mortar without the drawbacks associated with lime.\n\n\u003ch4\u003eDoes Febmix Admix Original SW help with frost resistance?\u003c\/h4\u003e\n\nYes, once set, it provides a degree of frost resistance and long-term protection against freeze-thaw cycles.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"5L","offer_id":52605651026262,"sku":"171469","price":4.14,"currency_code":"GBP","in_stock":true},{"title":"25L","offer_id":52605651059030,"sku":"171470","price":19.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/febmix-admix-original-sw-8097950.jpg?v=1772638634"},{"product_id":"sika-black-jack-901-black-bitumen-paint","title":"Sika Black Jack 901 Black Bitumen Paint","description":"Sika Black Jack 901 Black Bitumen Paint is a durable, protective coating designed to provide long-lasting waterproofing, weatherproofing, and corrosion resistance. It forms a tough protective layer that helps shield surfaces from moisture, oxidation, and general environmental wear.\n\nThe coating is resistant to low concentrations of alkalis and acids and can withstand prolonged exposure to the elements, making it suitable for a wide range of construction and maintenance applications.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSika Black Jack 901 is suitable for application to many common building materials, including iron, steel, lead, zinc, aluminium, asbestos-cement, concrete, stone, wood, felt, and brick. It is most commonly used for protecting metal surfaces such as corrugated iron sheets, fire escapes, stairways, ladders, storage tanks, gutters, downpipes, fences, railings, and gates.\n\nThe product can also be used as a protective coating for concrete structures, stonework, brickwork, concrete screeds, and sand\/cement surfaces. In addition, it is suitable for overcoating felt and wood, helping to extend the lifespan of these materials.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis fast-drying bitumen paint is suitable for use on most common building surfaces and provides reliable protection against moisture and corrosion. It is solvent-based, using white spirit as the carrier, and forms a consistent protective film when applied correctly.\n\nAt a coverage rate of approximately 11m² per litre, each coat achieves a wet film thickness of around 0.1mm and a dry film thickness of approximately 0.05mm, ensuring effective and even protection.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSika Black Jack 901 is supplied in 1 litre, 2.5 litre, 5 litre, and 25 litre tins and is available in black.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Sika Black Jack 901 used for?\u003c\/h4\u003e\n\nIt is used as a protective coating for metal, concrete, masonry, wood, and felt surfaces to provide waterproofing, weather protection, and corrosion resistance.\n\n\u003ch4\u003eCan Sika Black Jack 901 be used on metal surfaces?\u003c\/h4\u003e\n\nYes, it is ideal for protecting metal items such as gutters, railings, fences, tanks, and corrugated iron sheets.\n\n\u003ch4\u003eHow quickly does Sika Black Jack 901 dry?\u003c\/h4\u003e\n\nIt is fast drying under normal conditions, allowing recoating and return to service in a short time, depending on temperature and site conditions.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"1L","offer_id":52605651517782,"sku":"171735","price":10.54,"currency_code":"GBP","in_stock":true},{"title":"2.5L","offer_id":52605651550550,"sku":"171736","price":19.47,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":52605651583318,"sku":"171737","price":29.81,"currency_code":"GBP","in_stock":true},{"title":"25L","offer_id":52605651616086,"sku":"171738","price":126.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sika-black-jack-901-black-bitumen-paint-7952166.jpg?v=1772638633"},{"product_id":"everbuild-507-rendagrip","title":"EVERBUILD 507 Rendagrip","description":"Everbuild 507 Rendagrip is used as a bonding agent for render applied to concrete, brickwork, blockwork, and similar surfaces. It is particularly effective at improving adhesion to smooth or low-suction substrates where traditional render bonding can be difficult.\n\nIt also helps reduce suction on porous surfaces, ensuring a more consistent render finish. The product can be applied in a single coat and allowed to dry before rendering, and it can be applied to damp surfaces, offering flexibility on site.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis extra-grip bonding agent contains a fine aggregate that enhances the render key and improves long-term adhesion. It is waterproof once cured and suitable for use in a wide range of conditions.\n\nEverbuild 507 Rendagrip has a viscosity range of approximately 15,000–50,000 cP at 23°C, a minimum film-forming temperature of around 5°C, and a bond strength of 3.2 N\/mm² (EN 13892-8). It also offers excellent high-temperature stability, remaining stable after 4 weeks at 50°C.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nEverbuild 507 Rendagrip is supplied in a 10 litre pail and comes as a red liquid for easy identification during application.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Everbuild 507 Rendagrip used for?\u003c\/h4\u003e\n\nIt is used as a bonding agent to improve the adhesion of render to concrete, brickwork, blockwork, and smooth substrates.\n\n\u003ch4\u003eCan Everbuild 507 Rendagrip be applied to damp surfaces?\u003c\/h4\u003e\n\nYes, it can be applied to damp surfaces, making it suitable for a wide range of site conditions.\n\n\u003ch4\u003eHow many coats of Rendagrip are required?\u003c\/h4\u003e\n\nOnly one coat is required. Once dry, the render can be applied directly.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":52605651747158,"sku":"171175","price":61.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/everbuild-507-rendagrip-3626608.jpg?v=1772638633"},{"product_id":"sika-1-waterproofer","title":"Sika 1 Waterproofer","description":"Sika®-1 is a trusted waterproofing admixture used to improve the resistance of mortars and concrete against water penetration. It is commonly added to renders, masonry mortars, and screeds, as well as both reinforced and unreinforced concrete, helping to protect structures from moisture ingress.\n\nThe product is suitable for use on brick, concrete, and stone substrates and can be applied in both internal and external environments. Typical applications include basements, swimming pools, tunnels, water tanks, manholes, and culverts. Sika®-1 is also well suited for use in tropical and hot climate conditions.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nSika®-1 works by blocking the capillaries and pores within the cementitious system, forming an effective barrier against the transmission of liquid water. This increases the overall impermeability of mortar and concrete while maintaining good workability.\n\nIt is ready to use straight from the container, disperses easily during mixing, and is chloride-free, making it safe for use in reinforced concrete applications.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSika®-1 is supplied in 5 litre and 25 litre pails and comes as a yellow liquid, making it easy to identify during application.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Sika®-1 used for?\u003c\/h4\u003e\n\nSika®-1 is used as a waterproofing admixture for mortars and concrete to reduce water penetration in structures exposed to moisture.\n\n\u003ch4\u003eCan Sika®-1 be used indoors and outdoors?\u003c\/h4\u003e\n\nYes, Sika®-1 is suitable for both internal and external applications, including below-ground and above-ground structures.\n\n\u003ch4\u003eIs Sika®-1 suitable for reinforced concrete?\u003c\/h4\u003e\n\nYes, Sika®-1 is chloride-free, which makes it safe for use with reinforced concrete without increasing the risk of corrosion.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"5L","offer_id":52605656531286,"sku":"171103","price":46.79,"currency_code":"GBP","in_stock":true},{"title":"25L","offer_id":52605656564054,"sku":"171104","price":233.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sika-1-waterproofer-3686078.jpg?v=1772638571"},{"product_id":"sikamix-integral-waterproofer-5l","title":"SikaMix Integral Waterproofer 5L","description":"SikaMix Integral Waterproofer is a versatile waterproofing admixture designed to improve the durability and water resistance of mortars, screeds, and concrete mixes. Supplied in a 5-litre jerry can, it integrates directly into the mix to help protect structures from moisture penetration.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSikaMix Integral Waterproofer is suitable for use in pool and tank linings, roof areas, and general mortar and screed applications. It is commonly used in external renders and pointing where improved water resistance is required.\n\nThe product can also be used as part of a waterproofing system for below-ground structures such as basements, helping to reduce water ingress and improve long-term performance.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis integral waterproofer works by reducing surface absorption and lowering the permeability of concrete and mortar mixes. Its air-entraining formulation improves workability without flattening the mix, making application easier, particularly in render mixes.\n\nSikaMix Integral Waterproofer is low in toxicity, chloride-free to less than 0.01%, and will not corrode steel reinforcement such as brick ties, helping to protect the integrity of the structure over time.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSikaMix Integral Waterproofer is supplied in 5 litre jerry cans and comes as a soft, mobile gel\/liquid, allowing for easy dosing and mixing.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is SikaMix Integral Waterproofer used for?\u003c\/h4\u003e\n\nIt is used to improve the water resistance of mortars, screeds, and concrete in applications such as renders, basements, pools, and roof areas.\n\n\u003ch4\u003eDoes SikaMix Integral Waterproofer affect workability?\u003c\/h4\u003e\n\nNo, it actually improves workability thanks to its air-entraining properties, making mixes easier to apply.\n\n\u003ch4\u003eIs this product safe to use with steel reinforcement?\u003c\/h4\u003e\n\nYes, it is chloride-free and will not corrode steel reinforcement or brick ties.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":52605656596822,"sku":"171760","price":7.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sikamix-integral-waterproofer-5l-5303207.jpg?v=1772638570"},{"product_id":"sika-maxmix-concentrated-integral-waterproofer-1ltr","title":"Sika Maxmix Concentrated Integral Waterproofer - 1Ltr","description":"Sika Maxmix Concentrated Integral Waterproofer is a high-performance admixture designed to significantly improve the water resistance and durability of mortar mixes. Supplied in a compact 1-litre dosing bottle, its concentrated formula delivers the equivalent performance of 25 litres of standard waterproofer, making it an efficient and cost-effective solution on site.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSika Maxmix is suitable for use in pool and tank linings, external renders, and external pointing where enhanced water resistance is required. It is also ideal for use in structures below ground level, helping to protect masonry and mortar from moisture ingress.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis concentrated integral waterproofer improves the water resistance and overall workability of mortars, making mixes easier to apply and finish. It provides resistance to freeze-thaw cycling, improves frost resistance, and helps extend open time during application.\n\nSika Maxmix also reduces bleeding, efflorescence, shrinkage, and cracking, helping to deliver a stronger, more durable finished mortar with improved long-term performance.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSika Maxmix Concentrated Integral Waterproofer is supplied in a 1 litre dosing bottle and comes as a semi-viscous yellow liquid for easy measuring and mixing.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eHow concentrated is Sika Maxmix?\u003c\/h4\u003e\n\nOne litre of Sika Maxmix provides the equivalent performance of 25 litres of standard integral waterproofer.\n\n\u003ch4\u003eWhat applications is Sika Maxmix suitable for?\u003c\/h4\u003e\n\nIt is suitable for pools, tanks, external renders, pointing, and below-ground structures.\n\n\u003ch4\u003eDoes Sika Maxmix help prevent cracking?\u003c\/h4\u003e\n\nYes, it helps reduce shrinkage and cracking while improving frost resistance and durability.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":52605656662358,"sku":"171802","price":9.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sika-maxmix-concentrated-integral-waterproofer-1ltr-8856512.jpg?v=1772638570"},{"product_id":"sika-water-seal-5l","title":"Sika Water Seal 5L","description":"Sika Water Seal is a deep-penetrating, water-repellent treatment designed to protect masonry from rain, damp, and environmental damage. Supplied in a 5-litre tin, it helps preserve the appearance and durability of exterior surfaces without altering their natural look.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nSika Water Seal is used to substantially reduce rain and damp penetration on vertical masonry surfaces, helping to protect against discolouration, weathering, and frost-related damage such as spalling. It also aids in preventing efflorescence, keeping surfaces looking cleaner for longer.\n\nIn industrial or urban environments, sealing masonry with Sika Water Seal helps protect surfaces from attack by acidified atmospheres and reduces staining caused by smoke and pollution.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nThis colourless, long-lasting treatment penetrates deeply into the surface to create an effective water-repellent barrier while still allowing the masonry to breathe. It helps protect treated surfaces from discolouration caused by pollution and significantly reduces the risk of efflorescence.\n\nSika Water Seal is economical and easy to apply, with application possible by brush or spray, making it suitable for both small and large areas.\n\n\u003ch3\u003ePackaging \u0026amp; Colour\u003c\/h3\u003e\n\nSika Water Seal is supplied in a 5 litre tin and comes as a colourless liquid, ensuring the natural appearance of treated surfaces is maintained.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat surfaces can Sika Water Seal be applied to?\u003c\/h4\u003e\n\nIt is suitable for vertical masonry surfaces such as brickwork, stone, and concrete.\n\n\u003ch4\u003eWill Sika Water Seal change the appearance of the surface?\u003c\/h4\u003e\n\nNo, it is colourless and does not alter the natural appearance of the treated surface.\n\n\u003ch4\u003eDoes Sika Water Seal allow the surface to breathe?\u003c\/h4\u003e\n\nYes, it is breathable, allowing moisture vapour to escape while preventing rain and damp penetration.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":52605656695126,"sku":"171803","price":52.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/sika-water-seal-5l-9488390.jpg?v=1772638570"},{"product_id":"everbuild-multi-purpose-wood-filler","title":"EVERBUILD Multi-Purpose Wood Filler","description":"EVERBUILD® Multi-Purpose Wood Filler is a ready-to-use, water-based filler designed for quick and effective wood repairs. It’s ideal for tidying up imperfections and restoring a smooth, professional finish on a wide range of timber surfaces, whether for DIY projects or professional joinery work.\n\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\nThis wood filler is suitable for filling small holes, splits, surface imperfections, and damaged areas in wood. It’s also perfect for covering the recesses left by nails and screws, helping to create a clean, even surface ready for sanding, painting, or staining.\n\n\u003ch3\u003eAdvantages\u003c\/h3\u003e\n\nEVERBUILD® Multi-Purpose Wood Filler is water-based, making it low odour, non-flammable, and easy to work with. It comes ready to use straight from the container, with no mixing required, saving time and reducing mess.\n\nThe filler sands down easily once dry and provides a durable repair that blends well with the surrounding wood.\n\n\u003ch3\u003ePackaging \u0026amp; Colour Options\u003c\/h3\u003e\n\nEVERBUILD® Multi-Purpose Wood Filler is available in:\n\n100ml squeezable cartridges\n\n250ml tubs\n\nIt comes in a wide range of colours, including Dark Oak, Light Oak, Mahogany, Pine, Teak, White, as well as Light Stainable (also available in 100ml) and Medium Stainable pastes, allowing for a close colour match to most wood types.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat can EVERBUILD® Multi-Purpose Wood Filler be used for?\u003c\/h4\u003e\n\nIt’s used to fill small holes, cracks, splits, and nail or screw recesses in wooden surfaces.\n\n\u003ch4\u003eIs this wood filler ready to use?\u003c\/h4\u003e\n\nYes, it’s supplied ready to use with no mixing required.\n\n\u003ch4\u003eCan the filler be painted or stained?\u003c\/h4\u003e\n\nYes, once dry it can be sanded and then painted or stained to match the surrounding wood.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals\"\u003ebuilding chemicals\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Easi Sq Light \/ 100ml","offer_id":52605656727894,"sku":"171205","price":3.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/everbuild-multi-purpose-wood-filler-3374254.jpg?v=1772638571"}],"url":"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-chemicals.oembed","provider":"JJ Building Materials","version":"1.0","type":"link"}