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Primers and Additives
Primers and additives are vital for any surface repair, providing solutions that improve adhesion, durability, and surface protection. This category includes repair primers, admixtures, corrosion inhibitors, curing compounds, and release agents. Each is designed for specific repair tasks, enhancing performance in industrial and construction settings. These products improve bonding, longevity, and resistance to wear and corrosion, ensuring the successful application of repair materials.
Fosroc Cebex 100
Fosroc Cebex 100 is an expanding and plasticising powder admixture for site batched cementitious grouts where a reduced water/cement ratio and positive expansion is required. Applications include bed grouting, duct grouting, non-shrink infilling and jointing. Cebex 100 is a suitable pre-stressing grout admixture when complying with BS 8110...
Fosroc Nitoprime Zincrich Plus
Fosroc Nitoprime Zincrich Plus is the recommended anti-corrosion primer for exposed steel reinforcement for use with Fosroc concrete repair mortars. Fully compatible with all Renderoc mortars and fluid micro-concretes Complies with LU Standard 1-085 ‘Fire Safety Performance of Materials’. BS EN 1504-7: Reinforcement corrosion protection...
Fosroc Renderoc Primer
Fosroc Renderoc Primer is a high performance polymer/ cement slurry primer for use in conjunction with Fosroc cementitious repair materials. Two component cementitious slurry material comprising specially selected cementitious powders and liquid polymer additives The primer facilitates bond strengths conforming to the classification of the...
Sika Accelerator
Sika Accelerator is a chloride free liquid admixture for set acceleration and rapid hardening of cement based mortar, concrete, screeding and render. Also provides frost protection in the wet mortar during the setting period; even in sub-zero temperatures (down to –8°C). May also be used neat with cement as a plugging aid. Non-corrosive to...
Bonda APW Soft Wax Mould Release Agent
Bonda APW Soft Wax Mould Release Agent is a soft universal release wax that gives excellent release from a wide range of rigid mould compounds including plaster, Jesmonite, GRP, metal, wood, and glass. Made from a blend of soft waxes Can also be used to release polyurethane foams and casting materials from moulds that have intricate and...
SikaBond SBR+
SikaBond SBR+ is a white liquid, which has numerous uses as an admixture, primer, bonding agent and sealer. Polymer Emulsions of this type have been used extensively over the last 20 years by the building industry as an admixture for cement and concrete applications, including repair and renovation, surfacing of floors and bonding generally....
Sika Monotop 1010
Sika MonoTop-1010, bonding primer and reinforcement corrosion protection cement based slurry containing recycled waste materials, for use with concrete and steel. Suitable for control of anodic areas (Principle 11, method 11.1 of EN 1504-9) Interior and exterior use Easy to use, just add water Good resistance to water and chloride...
Tremco ES100 One Coat Universal DPM
Tremco ES100 One Coat Universal DPM is a two part, epoxy based damp proof membrane. It has been developed specifically for suppressing residual moisture in concrete and sand/cement subfloors and provides a guaranteed surface damp proof membrane with a single coat liquid application. Accommodates up to 97% RH Solvent free Very cost...
Tremco ES200 Fastrak Fast Curing Universal DPM
Tremco ES200 Fastrak Fast Curing Universal DPM is a solvent free, two part, epoxy based damp proof membrane which achieves emicode EC1 status. Developed specifically for suppressing residual moisture in concrete and sand/cement subfloors and provides a guaranteed surface damp proof membrane with a single coat liquid application....
Watco Tack Coat
High strength 100% solids epoxy resin adhesive primer, with sub-zero option for use at low temperatures. For use with Watco Concrex Makes shallow or intricate repairs easier Overcoat in 30-60 minutes Cures at 0°C Suitable for use on concrete and metal Note: While great care is taken with the colour samples shown, no guarantee can...
Sika MaxMix Cement Colour
A concentrated one shot cement colourant that provides a permanent colour to all types of mortars, rendering, concrete and pointing. The liquid disperses evenly through the mix, to give a uniform shade for each mix batch - shading can be adjusted to give a wide variety of colour depths. Economical - just 25ml of product needed per 10kg...
Cromar AlphaChem Mortar Plasticiser
Cromar AlphaChem Mortar Plasticiser, otherwise known as Pink Mix, is a pink coloured liquid admixture used in bricklaying and plastering mortars. Enhances workability and freeze thaw resisitance in sand and cement mixes Reduces the likelihood of cracking and crazing Super strength pink formula Complies with EN934-3 (2009) Pink colour...
Ronacrete RonaScreed FastDry Prompt
Fast drying liquid screed additive for site batched screeds - formerly known as RonaScreed 8 Day Overlay. Reduces on site delays - much more cost effective than cement replacement products Lay flooring over 50mm screeds after 4 days Over 75mm and 100mm screeds after 6 days Conforms to BS EN 13813 Early commissioning of underfloor...
Sika MaxMix Frostproofer & Accelerator
Sika MaxMix Frostproofer and Accelerator is a highly concentrated chloride free air entraining admix which is designed specifically for cold weather working, eliminating the requirement for a second frost proofing admix. It reduces the setting time of sand and cement based mortars, renders, screeds etc and is the ideal choice for a cold...
Sika MaxMix Mortar Plasticiser
Sika MaxMix Mortar Plasticiser is a highly concentrated air entraining liquid plasticising admixture which is 25 times the strength of conventional products. It forms extremely stable air bubbles in mortar mixes - this improves the workability of mortar, giving it a “buttery” consistency and helps prevent shrinkage, cracking, crazing and...
Ronacrete Ronafix Universal
Admixture for thin bonded, floating and unbonded screeds and toppings. Applications include: Floor screeds, concrete repair Waterproof renders Slurry coats/levelling and protective Heavy-duty floor toppings Protection of steel reinforcement Bedding and bonding mortars Tanking and waterproofing Conforms to BS EN 934-2 Open to...
Fosroc Concure WB
Fosroc Concure WB is a water based concrete curing compound based on a low viscosity wax emulsion. For use as a spray applied membrane to retain moisture in concrete for effective curing. Suitable for all general concreting applications and of particular benefit for large area concrete surfaces, such as airport runways, roads and...
SikaMix Powdered Mortar Plasticiser
SikaMix Powdered Mortar Plasticiser (PMP) is a pre-measured air entraining admixture which complies to EN 934 and replaces or complements the use of lime in sand and cement bricklaying and rendering. Features and Benefits Ready to use sachets - tub contains 250 sachets Improved workability Increases durability Reduces shrinkage...
Sika FerroGard 903+
Sika FerroGard 903+ is a surface applied mixed corrosion inhibitor, designed for use as an impregnation of steel reinforced concrete. Features and Benefits Complies to principle 11 of EN 1504-9 method 11.3 (applying inhibitor to the concrete) Does not change the appearance of the concrete structure Does not alter the water vapour...
Sika MaxMix Waterproofer
Sika MaxMix Waterproofer is a highly concentrated waterproofing and air entraining admixture for sand and cement which is 25 times the strength of conventional products. It forms extremely stable air bubbles in sand/cement mixes. This improves the workability of mortar/render giving it a “buttery” consistency and helps prevent shrinkage,...
Cromar AlphaChem Mould Release Oil
Cromar AlphaChem Mould Release Oil has improved release performance compared with oils and creams. Quick release of hardened concrete by reacting chemically with the cement at the surface. Ensures the quick, clean release of hardenened concrete Can be applied to timber, steel and plastic faced moulds or shutter faces Can be applied to...
Fosroc Auracast 200
Fosroc Auracast 200 is a cement admixture formulated using a unique combination of the latest generation of polycarboxylate polymers which act synergistically to outperform conventional superplasticisers. Specifically developed for the precast concrete industry coupling superior high range water reducing capabilities and excellent dispersion...
Ronacrete RonaScreed SBR
Admixture for site batched screeding mortars and fine concretes, used to lay new screeds and toppings as thin as 10mm bonded. The cured mortar bonds securely to suitably prepared surfaces and is water-resistant. Bonded screeds from 10mm Open to foot traffic next day, heavy traffic after 3 – 5 days Excellent wear resistance Lay flooring...
Mapei Primer G
Synthetic resin-based water-dispersion primer with very low volatile organic compound (VOC) for treating gypsum surfaces prior to installing ceramic tiles, as an anchoring coat for gypsum-based sprayable plasters, and to improve the adhesion of smoothing compounds on cementitious or anhydrite and gypsum-based surfaces. Some application...
Sika Wintermix
Sika Wintermix is air entraining chloride free liquid admixture for mortar and concrete which also acts as an accelerator for work in sub - zero temperatures. Features and Benefits Increased frost resistance during setting. Non - corrosive to imbedded metal (chloride ion free) Eases tamping down and alignment Improves...
Cromar AlphaChem Accelerator, Frostproofer & Hardener
Cromar AlphaChem Accelerator, Frostproofer & Hardener is heat‐generating accelerator for cement based mixes. Suitable for use as an aid to cold weather working when the heat generated will offset the retarding effect of low temperatures Designed to aid the use of cement in cold weather, even at sub-zero temperatures Accelerates setting...
Fosroc Nitobond SBR
Fosroc Nitobond SBR is a modified styrene butadiene rubber emulsion which is supplied as a ready to use white liquid. It is designed to improve the qualities of site-batched cementitious mortars and slurries. For improving and bonding concrete repair mortars, floor toppings and screeds, waterproof renders and cementitious slurries Being...
SikaBond Rapid DPM
SikaBond Rapid DPM is a solvent free reaction curing resin primer and damp proof membrane for cement based substrates. Used for priming, consolidating and sealing of absorbent and non-absorbent sub-floors, consolidating weak cement screed and isolation of old adhesive residues. 1-part, ready to use. Rapid drying (approx 45 minutes at 50%...
Cromar Liquid Mortar Tone
Liquid mortar tone is an Iron Oxide based liquid dye that's formulated to provide a permanent colour to all types of mortars, rendering, concrete and pointing. Permanent cement colourant Mix at a rate to suit your own requirements Add more liquid to increase the intensity of the colour mix Do not add to other admixtures. Please...
Watco Tack Coat Sub Zero
A polyaspartic resin primer for use at low temperatures. Use inside or out with Concrex Epoxy Floor Repair Mortar Helps with essential floor repairs during the winter months Suitable for chiller room floors, concrete, stone, or render Primer is ready for repair mortar in less than an hour Note: While great care is taken with the...
Mapei Mapecure E 30
Film-forming curing compound in water emulsion for concrete, to protect fresh concrete from rapid water evaporation caused by wind or sunlight and to reduce surface cracking. Especially recommended for protecting concrete structures such as: Industrial floors Exterior paving (road, parking lots) Airport runways, renders, dam faces...
Mapei Primer 3296
Primer 3296 is for consolidating and improving the characteristics of weak, crumbly or powdery surfaces. It is also suitable for outdoor use for consolidating the surface of concrete slabs, screeds, renders, bricks, sandstone, tuff, cement and lime-based decorative mortar. Acrylic primer in water dispersion for consolidating porous surfaces...
Ronacrete Curing Membrane
Spray applied curing membrane for mortars and concrete repair, flooring and renders, foming a surface barrier slowing the rate of moisture loss. Reduces chances of cracking Supplied ready to use Good coverage - 5.0-6.5m2 per litre Ronacrete Curing Membrane - For professional and industrial use More Information Delivery Info
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Primers and additives for repair products are critical to ensuring that surface repairs in industrial, commercial, and construction projects achieve long-lasting success. By addressing specific challenges like poor adhesion, corrosion, and improper curing, these products ensure that repair materials perform to their highest potential. This category can be broken down into five key subcategories, each designed to fulfil a unique role in the repair process:
Repair Primers
Repair primers are used to prepare surfaces for the application of repair materials, such as concrete, mortar, or metal coatings. Their primary function is to enhance adhesion, ensuring that the repair material bonds tightly to the substrate and remains durable over time. They are essential for preparing porous surfaces like concrete or masonry, as well as metal surfaces that are prone to rust or corrosion. Without a quality repair primer, there is a greater risk of the repair material separating or delaminating from the substrate, leading to premature failure. These primers are commonly used in structural repairs, bridges, roads, and large-scale industrial projects where longevity is paramount.
Repair Admixtures
Admixtures are integral to modifying and enhancing the properties of repair materials. Added directly into the concrete or mortar mix, these additives can be designed to improve flexibility, increase strength, accelerate or slow down curing time, and reduce shrinkage. This allows the repair material to better resist environmental stressors such as freezing, thawing, and chemical exposure. Some admixtures also enhance workability, making the application of repair materials smoother and more efficient. This subcategory is especially important for projects exposed to extreme temperatures or those requiring high-performance repairs, such as foundations, parking structures, or industrial floors.
Corrosion Inhibitors
Corrosion inhibitors play a critical role in protecting steel reinforcements embedded within concrete from rust and corrosion. When left unchecked, corrosion can cause steel to expand and crack the surrounding concrete, leading to severe structural damage. These inhibitors create a chemical barrier that prevents water, oxygen, and chlorides (such as de-icing salts) from reaching the steel, thereby extending the lifespan of the repair. They are frequently used in the refurbishment of reinforced concrete structures, such as bridges, car parks, and marine structures, where corrosion from saltwater or chemicals is a significant concern.
Curing Compounds
Curing compounds are used to ensure that freshly applied repair materials retain their moisture during the curing process, which is essential for achieving maximum strength and durability. These compounds form a protective barrier over the surface of the repair material, preventing rapid moisture evaporation that could otherwise lead to cracks, reduced strength, or incomplete curing. In outdoor repairs, where wind and sunlight can accelerate moisture loss, curing compounds are particularly important for preventing defects and ensuring the long-term stability of the repair. They are commonly applied in concrete slab repairs, road surfaces, and large industrial flooring installations.
Release Agents
Release agents are critical in situations where formwork, moulds, or other temporary structures are used to shape repair materials. These agents are applied to the form or mould surface to ensure that it separates easily from the cured material without damaging the finish. In addition to aiding in the removal of formwork, release agents help prevent imperfections on the repaired surface, such as voids or cracks, ensuring a smooth, professional result. This makes them especially valuable in applications involving concrete casting, prefabrication, and complex structural repairs, where maintaining surface integrity is crucial.
Applications of Primers and Additives
Each product within the primers and additives category serves a vital role in specific types of repairs, ensuring the long-term durability and performance of both large-scale and localised repairs. They are used across a wide range of environments, including:
Concrete Repair
Primers, admixtures, and curing compounds are indispensable for ensuring durable and lasting concrete repairs. These products are applied in everything from bridge decks and roadways to industrial floors and foundations.
Structural Steel Repair
Corrosion inhibitors are key in protecting steel reinforcement bars within concrete, extending the life of structures exposed to moisture and corrosive environments such as coastal buildings and parking garages.
Surface Preparation
Release agents are necessary in any project where formwork is involved, especially when casting complex shapes or ensuring a smooth finish is required.
Masonry Repair
Admixtures can significantly improve the performance of mortar repairs on brick or stone buildings, helping them resist environmental stress and last longer.
Complementary Products
Several products complement primers and additives in the repair process, helping to enhance performance or streamline the application. These include:
Surface Conditioners
Used prior to priming, these products help clean and prepare substrates for optimal adhesion.
Bonding Agents
Often applied with primers, these agents improve adhesion between the old substrate and new repair material.
Waterproofing Solutions
Protect repaired surfaces from moisture ingress, which is especially useful for concrete repairs in basements or water tanks.
Sealants
Applied after curing to protect the surface from environmental damage and wear.
Crack Injection Systems
Used in conjunction with primers to fill and seal cracks in concrete or masonry surfaces, preventing further damage.