# UK Construction Products Ltd (UKCP) > UK Construction Products Ltd formulates, manufactures and distributes specialist liquid and powder admixtures, release agents and additives for readymix and precast concrete, mortars and screeds across the UK construction industry. UKCP has over 30 years' technical experience developing additives and admixtures for dry mortars, silo mortars and concrete applications. Its in-house development team formulates bespoke "black box" additives in powder or liquid form using the raw materials from the customer's own production site, supplied in paper sacks or bulk bags. The additive range includes powder air entrainers, rapid set accelerators, retarders, water repellents and custom blends for dry bagged mortar manufacturers and the wider construction industry. - Head office: Unit 2, Lions Drive, Shadsworth Ind Est, Blackburn BB1 2QS, United Kingdom - Telephone: 07717 707163 - Email: sales@ukconstructionproducts.co.uk - Website: https://ukconstructionproducts.co.uk ## Products - [LSA Max](https://ukconstructionproducts.co.uk/products/lsa-max): LSA Max is a liquid admixture for semi-dry screeds, developed to give very rapid drying times, high early strength and foot traffic after 24 hours. It produces a Cat A, C40, F7 screed with compressive strengths of up to 60 N/mm². - [PSA](https://ukconstructionproducts.co.uk/products/psa): PSA is a powder screed admixture supplied in water soluble sachets, formulated to give rapid drying and improved strength in traditional sand and cement screeds. Screeds can be lightly trafficked after 24 hours and achieve compressive strengths above 25 N/mm². - [FASTSET 1](https://ukconstructionproducts.co.uk/products/fastset-1): FASTSET 1 (FASTSET FS1) is a polymer modified, cementitious repair compound for cosmetic concrete repair. It sets within 5 to 10 minutes, depending on temperature, to suit the rapid repair of concrete structures. It conforms to Class R3 of EN 1504-3. - [FASTSET 30](https://ukconstructionproducts.co.uk/products/fastset-30): FASTSET 30 (FASTSET FS30) is a polymer modified, cementitious repair compound for cosmetic concrete repair. It sets within 20 to 30 minutes, depending on temperature, giving more working time than FASTSET 1 while still allowing a rapid repair. It conforms to Class R3 of EN 1504-3. - [FASTSET FS120](https://ukconstructionproducts.co.uk/products/fastset-fs120): FASTSET FS120 is a polymer modified, cementitious repair compound for cosmetic concrete repair. It sets in 2 hours at 20°C, giving time for larger quantities of repairs, followed by rapid strength gain. It conforms to Class R3 of EN 1504-3. - [FASTSET R4 (30)](https://ukconstructionproducts.co.uk/products/fastset-r4-30): FASTSET R4 (30) is a polymer modified, cementitious repair compound that meets the requirements for Class R4 EN 1504-3 high strength and high build repair mortars. It sets within 20 to 30 minutes, depending on temperature, with extremely high early strengths. - [Liquid AEA](https://ukconstructionproducts.co.uk/products/liquid-aea): Liquid AEA is a liquid air entraining admixture for mortars, dosed with the mixing water. As an air entrainer, it is designed to stabilise very small air bubbles in the mix, which typically improves workability and cohesion. Results depend on the mix, so trial it with your own materials. - [Powder AEA](https://ukconstructionproducts.co.uk/products/powder-aea): Powder AEA is a powder air entraining admixture for mortars, designed to be blended with the dry ingredients of bagged and silo mortars. As an air entrainer, it stabilises very small air bubbles when the mortar is mixed, which typically improves workability, cohesion and freeze thaw durability. - [Powder Water Retainer](https://ukconstructionproducts.co.uk/products/powder-water-retainer): Powder Water Retainer is a water retaining additive for dry mix mortars. Water retainers help fresh mortar hold on to its mixing water, which improves workability, open time and adhesion and reduces the risk of premature drying on absorbent substrates. - [SP10](https://ukconstructionproducts.co.uk/products/sp10): SP10 is a mid range water reducing superplasticiser liquid based on polycarboxylate technology. It gives water reduction of more than 10%, helps prevent bleeding and segregation, and is an economic plasticiser for readymix concrete and screeds. - [SP20](https://ukconstructionproducts.co.uk/products/sp20): SP20 is a high range water reducing superplasticiser liquid based on polycarboxylate technology. It gives water reduction of more than 20% and suits self levelling, self-compacting and low water to cement ratio precast concretes, as well as mortars, adhesives and grouts. - [HP-Xcel](https://ukconstructionproducts.co.uk/products/hp-xcel): HP-Xcel is a chloride free concrete accelerator and low temperature plasticiser. This non-chloride, non-corrosive liquid hardening accelerator speeds cement hydration for faster setting and higher early strength, and helps provide safer winter concreting without delays. - [UKCP Rapid Set](https://ukconstructionproducts.co.uk/products/rapid-set): UKCP Rapid Set is a highly active, rapid set, high early strength cement additive for Portland cement systems. It accelerates precast and ready mixed concrete and activates GGBS, allowing 75% cement replacement without compromising early strength development. - [CompaktAid](https://ukconstructionproducts.co.uk/products/compaktaid): UKCP CompaktAid is a precast block compaction and processing aid for dry and semi-dry concrete. It improves compaction, density and pigment dispersion, giving better colour intensity, a better surface finish and reduced efflorescence in blocks, paving flags and block paviours. - [CompaktAid Plus](https://ukconstructionproducts.co.uk/products/compaktaid-plus): UKCP CompaktAid Plus is a high performance semi-dry precast compaction and processing aid. It combines improved compaction with better cement dispersion to help improve early strengths, and offers binder reduction and reduced efflorescence in blocks, paving and roof tiles. - [Xpress](https://ukconstructionproducts.co.uk/products/xpress): Xpress is an early strength activator for precast concrete based on CEMI and GGBS binder systems. It boosts early age strengths where at least 50% GGBS is used, improving handling and reducing breakages in semi-dry units such as blocks and bricks. - [Accelerator A](https://ukconstructionproducts.co.uk/products/accelerator-a): Accelerator A is a rapid set, high early strength cement additive for Postmix. Based on a blend of inorganic ultra-rapid set accelerators, it gives set times from 5 minutes at 20°C and very high early strengths in Portland cement systems. - [Accelerator PMA](https://ukconstructionproducts.co.uk/products/accelerator-pma): Accelerator PMA is a rapid set, high early strength cement additive for Postmix. Based on a blend of inorganic ultra-rapid set accelerators, it gives set times from 5 minutes at 20°C and very high early strengths in Portland cement systems. - [Grout Aid](https://ukconstructionproducts.co.uk/products/grout-aid): Grout Aid is a black box blend of additives for manufacturing cementitious pourable grouts. Blended with cement and sand, it produces a highly fluid, shrinkage compensated grout with little or no bleed. - [Eco-lease RB](https://ukconstructionproducts.co.uk/products/eco-lease-rb): Eco-lease RB is a maximum concentration, 100% biodegradable mould release agent made from natural vegetable oils and naturally occurring polymeric extracts. It gives easy formwork release and uniform, stain-free concrete surfaces on site and in the precast yard. - [MRA EF](https://ukconstructionproducts.co.uk/products/mra-ef): MRA EF is a maximum concentration, 100% biodegradable mould release agent blended from natural vegetable oils and naturally occurring polymeric extracts. It gives easy formwork release and a clean, uniform, non-stained concrete surface for site and precast yard use. - [MRA1](https://ukconstructionproducts.co.uk/products/mra1): UKCP MRA1 is a maximum concentration, low to medium viscosity mould release oil formulated for easy release of plastic and thermoplastic mould liners. It gives a high quality surface finish, is suitable for all types of formwork and offers corrosion protection to metal surfaces. - [Protekt](https://ukconstructionproducts.co.uk/products/protekt): Protekt is an environmentally safe, fully biodegradable protective compound for plant and equipment. A blend of fatty acids in a vegetable oil base, it forms a barrier that prevents concrete build up on plant and machinery and avoids the need for corrosive acid based cleaners. - [Concremove](https://ukconstructionproducts.co.uk/products/concremove): Concremove is a concrete remover for plant and tools, developed to replace highly corrosive mineral acids. It cleans away dry hardened concrete, efflorescence and tar deposits from most surfaces without damaging or corroding them. - [BlokSeal](https://ukconstructionproducts.co.uk/products/blokseal): BlokSeal is a surface sealer and efflorescence reducer for the protection of concrete blocks and bricks. It is a low viscosity, water based, APEO free core-shell pure acrylic copolymer emulsion with high exterior durability and low VOC, applied neat or diluted by brush, roller or low pressure spray. - [AcryMul50](https://ukconstructionproducts.co.uk/products/acrymul50): UKCP AcryMul50 is an APEO free pure acrylic copolymer emulsion with 50% solids. It is a multipurpose binder for interior and exterior coatings and water and damp proofing, with low VOC, scrub resistance, efflorescence resistance and high gloss. ## Product ranges - [All products](https://ukconstructionproducts.co.uk/products): The full UKCP range of liquid and powder admixtures, screed additives and concrete repair products. - [Liquid Solutions](https://ukconstructionproducts.co.uk/products/liquid-solutions): UKCP liquid solutions are admixtures, release agents, plant care products and acrylic emulsions for readymix and precast concrete, screeds and mortars. The range includes superplasticisers, accelerators, compaction aids, mould release agents, concrete remover and sealers. - [Powder Solutions](https://ukconstructionproducts.co.uk/products/powder-solutions): UKCP powder solutions are dry additives and compounds for precast concrete, postmix and grout manufacture, screeds, dry mix mortars and concrete repair. The range includes accelerators, an early strength activator, a grout additive, a sachet dosed screed admixture, FASTSET repair compounds and mortar additives. - [Screed Admixtures](https://ukconstructionproducts.co.uk/products/screed-admixtures): UKCP screed admixtures are liquid and powder additives that speed up drying and increase the strength of sand and cement screeds. The range includes LSA Max and PSA for bonded, unbonded and floating screeds. - [Mortar Admixtures](https://ukconstructionproducts.co.uk/products/mortar-admixtures): UKCP mortar admixtures are air entraining and water retaining additives that improve the workability, cohesion and durability of mortars, renders and plasters. The range includes Liquid AEA, Powder AEA and Powder Water Retainer, plus bespoke blends for dry mortar manufacturers. - [Concrete Repair](https://ukconstructionproducts.co.uk/products/concrete-repair): UKCP FASTSET products are polymer modified, cementitious repair compounds for concrete. Choose FASTSET 1 (5 to 10 minutes), FASTSET 30 (20 to 30 minutes) or FASTSET FS120 (2 hours) for cosmetic repair, or FASTSET R4 (30), a Class R4 high strength, high build repair mortar. - [Concrete Admixtures](https://ukconstructionproducts.co.uk/products/concrete-admixtures): UKCP concrete admixtures are liquid and powder additives for readymix and precast concrete. The range includes SP10 and SP20 polycarboxylate superplasticisers, HP-Xcel chloride free accelerator and plasticiser, and UKCP Rapid Set, a high early strength additive and GGBS activator. - [Precast Admixtures](https://ukconstructionproducts.co.uk/products/precast-admixtures): UKCP precast admixtures improve the production of semi-dry concrete products such as blocks, bricks, paving flags, block paviours and roof tiles. The range includes CompaktAid and CompaktAid Plus compaction and processing aids and Xpress, an early strength activator for high GGBS mixes. - [Postmix and Grout Additives](https://ukconstructionproducts.co.uk/products/postmix-and-grout-additives): UKCP postmix and grout additives are powder additives for manufacturers of bagged cementitious products. Accelerator A and Accelerator PMA give rapid set and high early strength in Postmix, and Grout Aid turns sand and cement into a flowable, shrinkage compensated grout. - [Release Agents and Plant Care](https://ukconstructionproducts.co.uk/products/release-agents): UKCP release agents and plant care products help concrete leave the mould cleanly and keep plant, tools and equipment free from build up. The range includes Eco-lease RB and MRA EF biodegradable release agents, MRA1 mould release oil, Protekt equipment protection and Concremove concrete remover. - [Sealers and Polymers](https://ukconstructionproducts.co.uk/products/sealers-and-polymers): UKCP sealers and polymers are APEO free, pure acrylic copolymer emulsions. BlokSeal seals concrete blocks and bricks and reduces efflorescence, and AcryMul50 is a 50% solids multipurpose binder for coatings and damp proofing. ## Technical resources - [Technical datasheets](https://ukconstructionproducts.co.uk/datasheets): Technical datasheets for UKCP products, available to download as PDF files. - [LSA Max technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/lsa-max-technical-datasheet.pdf) - [PSA technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/psa-technical-datasheet.pdf) - [FASTSET 1 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/fastset-1-technical-datasheet.pdf) - [FASTSET 30 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/fastset-30-technical-datasheet.pdf) - [FASTSET FS120 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/fastset-fs120-technical-datasheet.pdf) - [FASTSET R4 (30) technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/fastset-r4-30-technical-datasheet.pdf) - [Liquid AEA technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/liquid-aea-technical-datasheet.pdf) - [Powder AEA technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/powder-aea-technical-datasheet.pdf) - [Powder Water Retainer technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/powder-water-retainer-technical-datasheet.pdf) - [SP10 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/sp10-technical-datasheet.pdf) - [SP20 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/sp20-technical-datasheet.pdf) - [HP-Xcel technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/hp-xcel-technical-datasheet.pdf) - [UKCP Rapid Set technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/rapid-set-technical-datasheet.pdf) - [CompaktAid technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/compaktaid-technical-datasheet.pdf) - [CompaktAid Plus technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/compaktaid-plus-technical-datasheet.pdf) - [Xpress technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/xpress-technical-datasheet.pdf) - [Accelerator A technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/accelerator-a-technical-datasheet.pdf) - [Accelerator PMA technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/accelerator-pma-technical-datasheet.pdf) - [Grout Aid technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/grout-aid-technical-datasheet.pdf) - [Eco-lease RB technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/eco-lease-rb-technical-datasheet.pdf) - [MRA EF technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/mra-ef-technical-datasheet.pdf) - [MRA1 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/mra1-technical-datasheet.pdf) - [Protekt technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/protekt-technical-datasheet.pdf) - [Concremove technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/concremove-technical-datasheet.pdf) - [BlokSeal technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/blokseal-technical-datasheet.pdf) - [AcryMul50 technical datasheet (PDF)](https://ukconstructionproducts.co.uk/downloads/datasheets/acrymul50-technical-datasheet.pdf) - [Technical support](https://ukconstructionproducts.co.uk/technical-support): Product selection, application advice and troubleshooting from the UKCP technical team. - [Application guides](https://ukconstructionproducts.co.uk/application-guides): Step by step guidance on using UKCP products on site. - [Frequently asked questions](https://ukconstructionproducts.co.uk/faqs): Answers to common questions about UKCP products and services. ## Company - [About UKCP](https://ukconstructionproducts.co.uk/about-us): Who UKCP is and its 30 plus years of experience formulating construction additives and admixtures. - [Bespoke formulation](https://ukconstructionproducts.co.uk/bespoke-formulation): Custom "black box" additive and admixture packages developed with raw materials from the customer's own production site. - [Contact us](https://ukconstructionproducts.co.uk/contact-us): Telephone, email and head office details, plus an enquiry form. - [Request a sample](https://ukconstructionproducts.co.uk/request-a-sample): Request product samples for trials and testing. ## News and guides - [LSA Max: Rapid Drying and Foot Traffic in 24 Hours](https://ukconstructionproducts.co.uk/news/lsa-max-rapid-drying-screed-admixture): LSA Max is UKCP's liquid admixture for semi-dry screeds, developed to deliver very rapid drying, high early strength and foot traffic after 24 hours. - [Choosing the Right Screed Admixture for Your Project](https://ukconstructionproducts.co.uk/news/choosing-the-right-screed-admixture): A screed admixture changes how a sand and cement screed mixes, finishes, gains strength and dries. This guide explains how to match the right admixture to your project. - [Bespoke Additive Packages for Dry Mortar Manufacturers](https://ukconstructionproducts.co.uk/news/bespoke-additive-packages-for-dry-mortar-manufacturers): UKCP develops bespoke black box additive packages in powder or liquid form, built around the raw materials already used on a manufacturer's own production site. - [What Is an Air Entraining Agent and When Should You Use One?](https://ukconstructionproducts.co.uk/news/what-is-an-air-entraining-agent): An air entraining agent is an admixture that creates tiny, stable air bubbles in mortar or concrete, improving workability and resistance to freeze and thaw damage. - [How to Carry Out a Rapid Cosmetic Concrete Repair with FASTSET](https://ukconstructionproducts.co.uk/news/rapid-cosmetic-concrete-repair-with-fastset): A step by step guide to rapid cosmetic concrete repairs with FASTSET 1 and FASTSET 30, UKCP's polymer modified, rapid setting cementitious repair compounds. - [Laying Semi-Dry Screed over Underfloor Heating: A Practical Guide](https://ukconstructionproducts.co.uk/news/semi-dry-screed-over-underfloor-heating): A practical, step by step guide to laying semi-dry sand and cement screed over wet underfloor heating, from preparing the base to commissioning the heating. - [Screed Drying Times Explained: What Affects Them and How to Check](https://ukconstructionproducts.co.uk/news/screed-drying-times-explained): Screed drying time depends on thickness, mix water, site conditions and the admixture used. Learn what affects it and how to check a screed is ready for floor coverings. - [Using PSA Water Soluble Sachets in Sand and Cement Screeds](https://ukconstructionproducts.co.uk/news/using-psa-water-soluble-sachets): How to use PSA, UKCP's powder screed admixture supplied in 200g water soluble sachets, to produce rapid drying traditional sand and cement screeds. - [Why Water Retention Matters in Dry Mix Mortars](https://ukconstructionproducts.co.uk/news/why-water-retention-matters-in-dry-mix-mortars): Water retention is a mortar's ability to hold on to its mixing water against suction and evaporation. Here is why it matters and how water retaining additives help.