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Protective Coatings
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Protective Coatings are applied to concrete and other cement based substrates and surfaces to increase their resistance against agressive influences such as water ingress, chloride ingress (from de-icing salts or marine atmospheres), atmospheric carbonation, or any other type of exposure that could be damaging to the concrete surface.

For most externally exposed concrete surfaces their main mode of deterioration is loss of passivating alkalinity due to atmospheric carbonation and therefore during concrete repair works, or from new on important structures,the surfaces should be protected with a suitable anti-carbonation coating. Obviously it is also sensible for the protective coating to be waterproof, but in order to prevent blistering of the coating the material should also be water vapour permeable to allow any residual moisture, or moisture ingress from other surfaces, to escape and evaporate without damaging the coating.

In addition dpendent on the location and exposure of the concrete surfaces, the protective coatings may also need to be resistant to the ingress of chloride ions from de-icing salts and marine atmospheres, or resistant to direct attack from acidic gases in polluted environments. There are protective coatings for every type of structure and almost every type of exposure available to buy below in our Online Shop, but if you need any advice or assitance in making the right product selection for your project, then please do not hesitate to call any of our offices and one of our concrete repair and prtotection specialists will be pleased to assist you.

SG680SSG680SSG680SSG680S
Sikagard-680S

Sikagard-680S is a one part, solvent containing, clear or coloured protective coating, based on methacrylic resins resistant to weathering, alkalis and ageing. It is designed for use on mineral substrates including concrete and other cementitious surfaces to protect the concrete against aggressive atmospheric influences such as carbonation and water / water-borne chloride ingress, plus it promotes a self-cleaning effect on the treated surfaces, but does not adversely influence the characteristic texture of the concrete.

Sikagard-680S complies with the requirements of EN 1504-2 as protective waterproof, anti-carbonation coating for concrete surfaces.

Sikagard-680S Clear Glaze is a colourless grade of the material drying to a gloss finished coat,which is designed as a protective coating for exposed aggregate concrete surfaces- Please refer and order Sikagard-680S Clear Glaze from the next seprate Product entry below.

Sikagard-680S coloured finishes dry to a matt finish, and are available in a wide range of colour shades.

Sikagard-680S is suitable for: - Protection against water ingress in accordance with Principle 1, Method 1.3 of European Standard EN 1504-9. - Moisture control in accordance with Principle 2, Method 2.3 of European Standard EN 1504-9. - Increasing the resistivity in accordance with Principle 8, Method 8.3 of European Standard EN 1504-9.

Sikagard-680S is solvent containing and so is suitable for application on damp surfaces and is very quickly rain resistant after application to the concrete surface.

Sikagard-680S has very high diffusion resistance against carbon dioxide and therefore can considerably reduce the rate and depth of carbonation of the concrete - giving a durable and longer lasting finish.

The Standard (Group 1) Colours available are shown on the colour card below - other colours i.e in almost any RAL or BS 4800 Colour Shade are available on request - Additional costs and minimum quantities may apply. Please call any of our offices to discuss your requirements. 

Color
Pack Size / Price
Quantity :
Sikagard-680S Clear Glaze

Sikagard-680S Clear Glaze is exactly as it says, a 'Clear Glaze' grade of Sikagard-680S Coloured. It is a one part, solvent containing, clear protective coating, based on methacrylic resins resistant to weathering, alkalis and ageing. It is designed for use on mineral substrates including concrete and other cementitious surfaces to protect the concrete against aggressive atmospheric influences such as carbonation and water / water-borne chloride ingress, plus it promotes a self-cleaning effect on the treated surfaces, but does not adversely influence the characteristic texture of the concrete.

Sikagard-680S complies with the requirements of EN 1504-2 as protective waterproof, anti-carbonation coating for concrete surfaces.

Sikagard-680S Clear Glaze is a colourless grade of the material drying to a gloss finished coat,which is designed as a protective coating for exposed aggregate concrete surfaces.

Sikagard-680S Clear Glaze is solvent containing and so is only foe external application and is suitable for application on slightly damp concrete surfaces, and is very quickly rain resistant.

Sikagard-680S has very high diffusion resistance against carbon dioxide and therefore can considerably reduce the rate and depth of carbonation of the concrete - giving a durable and longer lasting finish.

For coloured grades of the material please refer to the seperate Product Listing above.

Color
Pack Size / Price
Quantity :
SG675WESG675WESG675WESG675WESG675WE
Sikagard 675W Elastocolor
Sikagard-675W ElastoColor is a one part, plasto-elastic, water dispersed, coating based on styrene acrylate resin for the protection and enhancement of fairfaced concrete. It complies with the requirements of European Standard EN 1504-2 and is used for the protection and enhancement of concrete structures (normal and lightweight concrete), particularly for exposed concrete surfaces with a risk of hairline surface cracking.

Sikagard-675W ElastoColor is used as a componment of concrete repair and protection systems as an elastic protective coating on Sika levelling / smoothing mortars; it can also be used to refresh and upgrade by overcoating, existing soundly adhering coatings.

In accordance with European Standards EN 1504, Sikagard-675W ElastoColor is suitable for: - Protection against water ingress in accordance with Principle 1, Method 1.3 of EN 1504-9 - Moisture control in accordance with Principle 2, Method 2.2 of EN 1504-9 - Increasing the resistivity in accordance with Principle 8, Method 8.2 of EN 1504-9

Sikagard-675W ElastoColor is water vapour permeable, has very good resistance against weathering and ageing, very good chalking resistance and high covering power (good opacity). Plus of course it prevents water ingress and has high diffusion resistance to CO2 (carbon dioxide).

Sikagard-675W ElastoColor is an excelent choice of protective coating for many buldings and exposed concrete suraces, it is easily applied, as delivered to site, by brush, roller or spray. The Standard (Group 1) Colours available are shown on the colour card below - other colours i.e in almost any RAL or BS 4800 Colour Shade are available on request - Additional costs and minimum quantities may apply. Please call any of our offices to discuss your requirements.

Color
Pack Size / Price
Quantity :
SG550WESG550WESG550WE
Sikagard 550W Elastic

Sikagard-550W Elastic is a one component, water dispersed, plasto-elastic coating based on UV-curing acrylic resin with excellent crack-bridging properties even at temperatures considerably below 0°C.

Sikagard-550W Elastic complies with the requirements of European Standards EN 1504-2 as a protective coating. It is used for the protection and enhancement of all types of concrete structures (normal and lightweight concrete), particularly exposed outdoor concrete surfaces with a risk of cracking.

Sikagard-550W Elastic is used as a component of concrete repair and protection systems as an elastic protective coating on Sika levelling / smoothing mortars. It is suitable for: - Protection against ingress in accordance with Principle 1, Method 1.3 of EN 1504-9. - Moisture control in accordance with Principle 2, Method 2.2 of EN 1504-9. - Increasing the resistivity in accordance with Principle 8, Method 8.2 of EN 1504-9

Sikagard-550W Elastic is crack-bridging even at low temperatures (-20°C), has high diffusion resistance against Carbon dioxide (CO2), reducing the rate of carbonation, is water vapour permeable and has very good resistance against weathering and ageing.

Due to the fact that it is water dispersed and solvent-free, plus UV resistant, it is also environmentally friendly and has a greatly reduced tendency to dirt pick up and contamination, due to its self-cleaning effect.

The Standard (Group 1) Colours available are shown on the colour card below - other colours i.e in almost any RAL or BS 4800 Colour Shade are available on request - Additional costs and minimum quantities may apply. Please call any of our offices to discuss your requirements.

Color
Pack Size / Price
Quantity :
Sikagard-552W Aquaprimer

Sikagard-552W Aquaprimer is one component, water dispersed, acrylic resin based, adhesion promoting primer for water dispersed polymer paint coatings - such as Sikagard 550W Elastic. It is part of a system that complies with the requirements of EN 1504-2 as protective coating for concrete structures.

Sikagard-552W Aquaprimer is uitable for use to prime concrete, cement renders and other mineral substrates including Sika Levelling Mortars etc. It can also be used as a vapour permeable primer on firmly adhering existing water based coatings.

Sikagard®-552 W Aquaprimer is water dispersed, solvent-free and environmentally friendly. 

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