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    Cements Additives & Sealants

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    Picture of 201 Mortar Admix 5 litre

    201 Mortar Admix 5 litre

    39048
    Everbuild 201 Mortar Admix is an air entraining plasticiser that replaces lime in the mix. Provides an easy to work, 'butter like' consistency to the mortar. It also prevents shrinkage, cracking and crazing during setting.

    For use in brick laying and plastering mortars. Helps to improve frost resistance and long term resistance to freeze-thaw cycles when set.

    Tested to BSEN934-Part 3.

    Areas of Use:
    - Load bearing brickwork
    - Block laying
    - External/Internal rendering
    - Pointing/repointing brickwork
    £5.02
    Picture of 503 SBR Bond 5 litre

    503 SBR Bond 5 litre

    40020
    The Everbuild SBR Bond is a latex based, water-resistant bonding agent and admixture for use in areas subject to humidity, dampness and continuous water contact. Improves water resistance of cement mixtures by forming a reinforcing polymer that increases long-term durability and flexibility of the mix on renderings and floor screeds.

    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. It contains anti-foam to control the density of cementitious mixes and is also freeze thaw stable, with improved frost resistance.

    It offers greatly improved adhesion to a wide range of substrates including dense concrete, steel, tiles etc.
    £20.16
    Picture of 709 Floor Flex Plus Latex 5 litre

    709 Floor Flex Plus Latex 5 litre

    40023
    This 709 Floor Flex Plus is a premium rubber based Latex additive for use with a self level floor compound and powder tile adhesives to both strengthen the mix and provide a limited degree of movement capability in the sub floor.
    The Flex Plus is ideal for use when covering sound timber floors, and the 5-litre container is sufficient to mix a 20-kilo bag of self level floor compound or adhesive.
    £5.92
    Picture of Cementone Cemplas Mortar Plasticiser  25ltr

    Cementone Cemplas Mortar Plasticiser 25ltr

    65019
    "Bostik Mortar Plasticiser improves the workability of mortar without the addition of lime. It helps reduce grittiness to provide a smooth mortar with improved durability and protection against frost. It also reduces the water content of the mortar.Containing a blend of modified, lignin-based surface-active agents that are free from chlorides, Bostik Mortar Plasticiser can be used in a range of applications, such as bricklaying, blockwork and rendering. Improves workability and durability of mortar. Minimises cracking and crazing. Reduces water content of mortar. Complies with EN 934-4."
    £21.46
    Picture of Cementone Cemplas Mortar Plasticiser  5ltr

    Cementone Cemplas Mortar Plasticiser 5ltr

    39049
    "Bostik Mortar Plasticiser improves the workability of mortar without the addition of lime. It helps reduce grittiness to provide a smooth mortar with improved durability and protection against frost. It also reduces the water content of the mortar.Containing a blend of modified, lignin-based surface-active agents that are free from chlorides, Bostik Mortar Plasticiser can be used in a range of applications, such as bricklaying, blockwork and rendering. Improves workability and durability of mortar. Minimises cracking and crazing. Reduces water content of mortar. Complies with EN 934-4."
    £5.29
    Picture of Cementone Concrete Mould Release Oil 5ltr

    Cementone Concrete Mould Release Oil 5ltr

    40048
    "Bostik Concrete Mould Oil is a water in oil release agent formulated for application onto timber or metal formwork. It is ready to use and produces a uniform, stain-free surface, which allows easy removal of shuttering. It is economical to use because it is not absorbed into timber or plywood. Allows easy removal of shuttering. Ideal for timber or metal formwork. Ready to use. Economical to use as it is not absorbed into timber or plywood."
    £12.04
    Picture of Cementone Dustproofer & Hardener 5ltr

    Cementone Dustproofer & Hardener 5ltr

    40021
    "Bostik Dustproofer & Hardener is a colourless, viscous liquid based on Sodium Silicate that is formulated for hardening and dustproofing old or new concrete floors. It penetrates the surface and combines with the hydrated cement to give long lasting protection. It extends the life of concrete and terrazzo floors and makes them easier to clean and maintain. It is ideal for garages and workshops, factory floors and public areas as it improves resistance to chemicals, oil, grease and abrasion. Hardens and dustproofs concrete floors. Improves resistance to oil, chemicals and abrasion. Ideal for workshops and garage floors."
    £8.98
    Picture of Cementone Exterior Waterseal 5ltr

    Cementone Exterior Waterseal 5ltr

    39025
    "Bostik Water Seal is a high performance waterproofer for trade use, that penetrates deep below the surface to provide a water resistant barrier on porous exterior surfaces. It is suitable for concrete, brick, stone, slate, terracotta, render and timber.The surface remains permeable to water vapour, allowing it to ‘breathe’, preventing water being trapped. Water Seal is transparent and should not alter the appearance of the treated surface. Some surfaces may darken very slightly, so always carry out a test on a small area before full application. Water Seal also helps to prevent condensation, efflorescence and frost damage. Fast drying, exterior masonry and wood protector. Prevents water penetration in a single coat. Protects against rain, damp and frost. Increases life of most building materials."
    £23.49
    Picture of Cementone Integral Waterproofing Liquid 5ltr

    Cementone Integral Waterproofing Liquid 5ltr

    39047
    "Bostik Integral Waterproofer is a liquid additive that provides long-term water protection to mortar, non-structural concrete and rendering. It is an alkaline soap of mixed fatty acids, which reacts chemically with cement to form hydrophobic salts, which reduce water penetration.Bostik Integral Waterproofer helps reduce efflorescence and lime bloom by restricting moisture movement and helps reduce crazing in rich mixtures by controlling the rate of evaporation.It waterproofs and plasticises mortar for external or basement renderings, pointing and in swimming pools, sewers and tank linings as part of the overall waterproofing system specification. It will not corrode reinforcing metalwork, but is not suitable for use in structural concrete. Waterproofer and plasticiser for mortar. Ideal for renders. Reduces efflorescence and crazing."
    £5.67
    Picture of Cementone Liquid Cement Colour 1ltr Black

    Cementone Liquid Cement Colour 1ltr Black

    40034
    Bostik Liquid Colour for Cement are a high quality pigment dispersion for colouring cement mixes such as mortar, render and screeds. The colours are lightfast and disperse easily and evenly into the mix. Bostik Liquid Colour for Cement use pigments that conform to EN 12878: 2014. Bostik Liquid Colour for Cement is suitable for colouring mortar, rendering – e.g. walls, swimming pools and colouring flooring – sand/cement screeds, and granolithic floors.
    £9.38
    Picture of Cementone Liquid Cement Colour 1ltr Red

    Cementone Liquid Cement Colour 1ltr Red

    40035
    Bostik Cementone Liquid Colour for Cement are a high quality pigment dispersion for colouring cement mixes such as mortar, render and screeds. The colours are lightfast and disperse easily and evenly into the mix. Bostik Liquid Colour for Cement use pigments that conform to EN 12878: 2014. Bostik Liquid Colour for Cement is suitable for colouring mortar, rendering – e.g. walls, swimming pools and colouring flooring – sand/cement screeds, and granolithic floors.
    £8.94
    Picture of Cementone No1 Powder Cement Colour 1kg Black

    Cementone No1 Powder Cement Colour 1kg Black

    40010
    Bostik Colours for Cement have been specifically formulated to colour cement, renders (e.g. walls, swimming pools), mortars and flooring (sand/cement screeds, granolithic floor). Bostik Colours for Cement use pigments that conform to EN 12878: 2014 and are lightfast, with easy dispersion into the dry mix. They are suitable for interior and exterior use and are intermixable to give a wide range of shades. Does not affect performance of mix. 1kg Tub.
    £8.56
    Picture of Cementone No1 Powder Cement Colour 1kg Brick Red

    Cementone No1 Powder Cement Colour 1kg Brick Red

    40033
    Bostik Colours for Cement have been specifically formulated to colour cement, renders (e.g. walls, swimming pools), mortars and flooring (sand/cement screeds, granolithic floor). Bostik Colours for Cement use pigments that conform to EN 12878: 2014 and are lightfast, with easy dispersion into the dry mix. They are suitable for interior and exterior use and are intermixable to give a wide range of shades. Does not affect performance of mix. 1kg Tub.
    £8.56
    Picture of Cementone No1 Powder Cement Colour 1kg Buff

    Cementone No1 Powder Cement Colour 1kg Buff

    40012
    Bostik Colours for Cement have been specifically formulated to colour cement, renders (e.g. walls, swimming pools), mortars and flooring (sand/cement screeds, granolithic floor). Bostik Colours for Cement use pigments that conform to EN 12878: 2014 and are lightfast, with easy dispersion into the dry mix. They are suitable for interior and exterior use and are intermixable to give a wide range of shades. Does not affect performance of mix. 1kg Tub.
    £7.78
    Picture of Cementone No1 Powder Cement Colour 1kg Russet Brown

    Cementone No1 Powder Cement Colour 1kg Russet Brown

    40011
    Bostik Colours for Cement have been specifically formulated to colour cement, renders (e.g. walls, swimming pools), mortars and flooring (sand/cement screeds, granolithic floor). Bostik Colours for Cement use pigments that conform to EN 12878: 2014 and are lightfast, with easy dispersion into the dry mix. They are suitable for interior and exterior use and are intermixable to give a wide range of shades. Does not affect performance of mix. 1kg Tub.
    £7.34
    Picture of Cementone SBR Waterproofing & Strengthening Admixture 5ltr

    Cementone SBR Waterproofing & Strengthening Admixture 5ltr

    40019
    "Bostik SBR is a specially modified Styrene Butadiene Co-polymer Latex for cement and mortar.It toughens, waterproofs and improves chemical and abrasion resistance of renders, screeds and mortar. It is an excellent all round primer and bonding agent and is especially suitable for external applications. Bostik SBR can be used for waterproof rendering, flooring screeds and toppings, as well as for bonding renders and suction control. Strengthens and waterproofs mortar mixes. Improves water, chemical and abrasion resistance. For waterproof rendering, floor toppings & screeds."
    £22.21
    Picture of Cementone Wintaplas Chloride Free Frostproofer & Plasticiser 5ltr

    Cementone Wintaplas Chloride Free Frostproofer & Plasticiser 5ltr

    39050
    "Bostik Accelerator & Frostproofer accelerates the setting of mortar mixes year round but particularly in cold weather and during the Winter months. It also plasticises the mix to improve workability. It is ideal for bricklaying, rendering, blockwork and mortars containing embedded metal. Plasticises and accelerates setting time of mortar mixes. Chloride free, ideal for mortars with embedded metal. Ideal for Winter & cold weather use."
    £8.78
    Picture of Fungicidal Wash 5ltr

    Fungicidal Wash 5ltr

    40054
    "Bostik Fungicidal Wash has been formulated to kill moulds, lichen and algae on external surfaces such as brick, render, patios, paving and drives.This water-based solution is suitable for exterior use only. Powerful formulation. Kills moss. lichen and algae. For outdoor use only."
    £20.25
    Picture of Good & Proper Instant Mortar Cement Grey
    Picture of Good & Proper Instant Mortar Dark Grey
    Picture of Opti-Mix Mortar Plasticiser 1 litre

    Opti-Mix Mortar Plasticiser 1 litre

    39043
    Everbuild Opti-Mix Mortar Plasticiser is the world’s first 1:25 plasticiser is just Pure Admix, smells and works like the best traditional Admix.

    Benefits include: superior plasticising action, controlled dosage, consistent mix design, easy to use, no waste. 1 litre is equivalent to 25 litres of standard product.
    £10.55
    Picture of ProJoint™ Contract SBR 5Ltr

    ProJoint™ Contract SBR 5Ltr

    40018
    "Water-based emulsion of a modified styrene-butadine polymer. Designed to improve the strength and workability of sand and cement mortar.  Can also be used for priming the surface of natural stone or cement slabs or setts to promote adhesionIn order to achieve the best possible outcome for your paving project, we recommend that you use our professional strength SBR for priming, and as an additive in your bedding mortar. With non-foaming properties SBR controls the density of the mortar and results in a significant increase in compressive, tensile and flexural strength High solids content over 45% Excellent Freeze:thaw resistance Improves strength and workability or mortar Promotes adhesion of natural stone and concrete paving to substrates - can be used as a primer Typical addition is 200ml per 1g of cement"
    £19.38
    Picture of Sika-1 Waterproofer 5 litre

    Sika-1 Waterproofer 5 litre

    39046
    Everbuild Sika-1 Waterproofer is an aqueous solution containing complex colloidal silicates. In the presence of water these swell and block the capillaries and pores in the applied sand/cement renders, screeds and mortar to provide an effective barrier against the transmission of liquid water.
    £61.37
    Picture of Wykamol Dryseal

    Wykamol Dryseal

    38020
    DrySeal has a unique, thixotropic consistency and excellent water-repellent properties on a range of building materials. As opposed to conventional liquid products, Dryseal can be applied in one working operation to achieve the desired loading for maximum effectiveness.

    Dependent on porosity, the effective siloxane ingredient deeply penetrates the substrate within a short period of time (between 30 minutes to several hours) where it reacts to become a polymer silicone resin.

    DrySeal also protections against pollutants and damage from frost and salt, and prevents water penetration even under wind pressure.

    Typical Coverage: approx. 20 - 25 m² in a one coat application, dependent on substrate porosity
    £50.99
    Picture of Wykamol Enviroseal

    Wykamol Enviroseal

    38030
    Enviroseal is a highly-effective, liquid based water repellent containing silicone emulsion for use above ground. It can be applied to multiple substrates, including porous brickwork, cement renderings, asbestos, cement or mineral boards, unglazed tiles, cast concrete, roughcast, stonework (including calcareous materials such as those containing limestone), wood, canvas and leather.

    Surfaces treated with Enviroseal remain permeable to vapour so that moisture within the structure does not remain trapped.

    Enviroseal is clear and colourless and will not normally alter the appearance of treated surfaces. In some cases, however, very slightly darkening may occur, so a small test area should be applied when appearance is critical.

    Depending upon the nature of the surface treated and conditions of exposure, two coats of Enviroseal can be effective for at least 10 years.
    £9.99
    Picture of Wykamol Thermaldry Paint

    Wykamol Thermaldry Paint

    38021
    No More Damp Thermaldry is a styrene acrylic copolymet dispersion, water based paint, which is both thermally insulating and water repelling.

    Thermaldry incorporates Micro-Technology in the form of hollow glass beads, with a size of 50 um and a crush strength of 500 psi. The micro, hollow glass beads act like miniature 'Thermos Flasks', blocking thermal energy by reflecting it away from the wall and protecting the walls from damp, which causes moisture and therefore mould growth.

    All of these properties combined enables Thermaldry to increase the wall temperature, thus reducing the 'dew point' or the temperature at which condensation occurs.

    Ideal for use in:

    Bathrooms
    Utility Rooms
    Kitchens
    Lintels over windows and doors which produce cold spots
    Cold walls and ceilings
    Industrial Applications
    £45.49