Sikagard 740 W
Sikagard 740 W is a one part low viscosity, reactive impregnation for concrete and cementitious substrates based on concentrated Silane emulsion. Sikagard 740 W complies with the requirements for hydrophobic impregnation and is classified as a sealer.
Sikagard 740 W is a one part low viscosity, reactive impregnation for concrete and cementitious substrates based on concentrated Silane emulsion. Sikagard 740 W complies with the requirements of EN 1504-2 for hydrophobic impregnation (penetration depth class I & resistance to freeze and thaw salt stresses).
Sikagard 740 W is classified as sealer Type 1b to the ALBERTA infrastructure and transportation specifications.
Sikagard 740 W is used as water-repellent impregnation (hydrophobic treatment) for absorbent substrates such as concrete in civil engineering or building concrete structures in both vertical and horizontal traffic area
- Suitable for protection against ingress
- Suitable for moisture control
- Suitable for increasing the resistivity
Features and Benefits:
- Good penetration
- Economic and easy to use
- Reduces capillary water absorption, protection against driving rain and splashing on vertical areas
- Reduction of absorption of aggressive or deleterious agents dissolved in water (i.e. chlorides)
- No change in water vapour permeability
- Increases the resistance of concrete to freeze and thaw cycles and de-icingsalts
- Water based emulsion
- Low VOC
- Resistant to sea water
- Ready to use
For more details please download the product data sheet from the 'DATASHEETS' tab above.
It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.
|Typical Coverage (per coat)||6.3 - 9.5m² per litre|
|Touch Dry||6 hours|
|Application||Brush, Roller, Spray|
|The figures stated above are approximate. Please ensure you refer to all datasheets for full application information.|
|William Ferdinandsen on 27/02/2017|
Question: In general, how long does the product last on a new bridge in a marine environment? In other words, how long before the product should be re-applied?
Sika do not offer design lives for these types of products, but it is fairly common place for hydrophobic impregnations to be re-applied every 2-3 years. However that is if the product is used singularly instead of as a full part of a concrete repair system.
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