EWI-333 SiSi Render Primer - 21kg-2EWI-333 SiSi Render Primer - 21kg-1

EWI-333 SiSi Render Primer – 21kg

£48.36

In stock (can be backordered)

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Our Silicone Silicate Primer (EWI-333) is designed for final preparation of surfaces prior to applying EWI Pro Silicone Silicate render products. It bonds dusty surfaces, regulates absorptive capacity and reduces the required quantity of render. The product should not used on organic substrates, e.g. emulsion paint coats, wood and similar surfaces.

This is a 21kg tub; 7kg tubs are also available.

  • Waterproof
  • Frost-proof
  • Vapour-permeable
  • Increases groundwork adhesion
  • Facilitates render application

EWI-333 Silicone Silicate (SiSi) Primer is a deep-penetrating primer used to prepare the substrate prior to the application of Silicone Silicate renders. EWI-333 Silicone Silicate Primer strengthens the substrate and limits its absorptive capacity without compromising breathability. It facilitates the application of render and enhances the render’s adhesion to the substrate. SiSi Render primer can also be dyed according to match the final colour of the render. It is suitable for both interior and exterior surfaces. It does not contain solvents.

This tub is 21kg, although 7kg tubs are also available.

Intended Use:

Silicone Silicate Primer EWI-333 is designed for final preparation of surfaces prior to applying EWI Pro Silicone Silicate Render. It bonds dusty surfaces, regulates absorptive capacity and reduces the required quantity of plaster mortar. The product should not used on organic substrates, e.g. dispersion (emulsion) paint coats, wood and similar surfaces.

Technical Specifications:

Composition: Potassium Silicate dissolved in water as well as acrylic resin, quartz aggregate and pigments

Bulk density: approx. 1.50 g/cm3

Application Conditions:

Application temperature (air, substrate, materials): from +5°C to +25°C

Coat drying time: approx. 4 hours

Time to leave before plastering: approx. 24 hours after priming

Colour: white or another plaster-matching colour (recommended for plaster with scratch-effect finish)

Quantity to be used: approx. 0.2-0.3 kg/m2depending on substrate structure and absorbency)

SKU: EWI-333-21
Weight 21 kg

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