Sikagard®-700 S

SILOXANE BASED WATER REPELLENT IMPREGNATION

Sikagard®-700 S is a one-part water repellent impregnation for absorbent cementitious substrates. It penetrates well into the open pores of the substrate, providing durable water repellency, while still allowing water vapour diffusion in both directions.
Sikagard®-700 S complies with the requirements of EN 1504-2 for hydrophobic Impregnation (penetration depth class I).

  • Reduction of capillary water absorption.
  • Reduces efflorescence.
  • Reduces dirt penetration into the pores.

Usage

Sikagard®-700 S is used as water repellent and colourless protective surface treatment on absorbent exposed materials such as concrete, cementitious rendering, concrete tiles, fibre cement, brickwork (clay and lime sand, non-vitrified), natural stone.
Sikagard®-700 S can also be used as hydrophobic primer under solvent based or emulsion protective coating. Sikagard®-700 S is used as water-repellent impregnation (hydrophobic treatment) for absorbent substrates such as concrete in civil engineering or building concrete structures.

  • Suitable for protection against ingress (Principle 1, method 1.1 of EN 1504-9)
  • Suitable for moisture control (Principle 2, method 2.1 of EN 1504-9)
  • Suitable for increasing the resistivity (Principle 8, method 8.1 of EN 1504-9)

Packaging

20 L pail

Advantages

  • Reduction of capillary water absorption.
  • Reduces efflorescence.
  • Reduces dirt penetration into the pores.
  • Improves thermal insulation.
  • Can be overcoated with solvent based and dispersion coating.
  • Higher durability and resistance than conventional silicone based treatments.
  • Does usually not change the appearance of the substrate.
  • Reduces chloride ion ingress and movement.
  • Does not act as a vapour barrier.

Colour

Colourless liquid

Product Information

Composition

Silanes/Siloxanes blend in organic solvent.

Shelf life

12 months from date of production if stored in unopened, undamaged and original sealed packaging.

Storage conditions

Store in dry and cool conditions. Protect from moisture.

Density

~ 0.800 kg/l (at +20°C)

Flash Point

Closed cup: ~30°C (~86°F)

Application Information

Ambient Air Temperature

+5°C min. / +30°C max.

Substrate Temperature

+5°C min. / +30°C max.

Substrate Moisture Content

<5-6% when measured with Tramex method

Waiting Time / Overcoating

Can be overcoated with water/solvent based polymer paints – contact the paint manufacturer for details.
When overcoating with Sikagard® or SikaColor® Emulsion or solvent based coating, wait at least 5 hours after the hydrophobic impregnation.

Curing Treatment

Sikagard®-700 S does not require any special curing but must be protected from rain for at least 3 hours at +20°C.

Sikagard®-700 S

Technical Data Sheet (TDS)

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