Professional silicate paint No. 303
ready-to-use silicate paint for interior use
AURO Profi-Silikatfarbe Nr. 303 is the answer for interior walls prone to mould. Thanks to its alkalinity it has a fungicidal and algicidal effect – a combination of potassium water glass and the biogenic binder REPLEBIN® ensures professional product properties.
The paint is permanently white, vapour-permeable and contains no added preservatives. It is suitable for concrete or plaster, as well as for plasterboard, Rigips, clay or woodchip wallpaper.
Advantages at a glance
- Fungicidal and algicidal effect – the problem solver for walls prone to mould
- Permanently white
- Highly vapour-permeable (permeable to water vapour)
- Consolidates the substrate
- No added preservatives
- Opacity class 1, wet abrasion class 2
- Easy application, AgBB-compliant
Application & Processing
Apply 1 to 2 coats of silicate paint with a brush or roller. Only uneven substrates or substrates with varying absorbency need to be primed beforehand with AURO Haftgrund fein Nr. 505 or AURO Tiefengrund Nr. 301.
Tip: For a coloured finish, up to 10 % AURO Full-Shade and Tinting Paint No. 330 can be added.
Technical data
| Area of application | Interior walls, areas prone to mould |
| Application | Brush or roller |
| Hiding power class | Class 1 |
| Wet scrub resistance class | Class 2 |
| 5 litre container | Coverage approx. 40 m² |
| 10 litre container | Coverage approx. 80 m² |
Ingredients (full declaration)
AURO fully discloses its formulations. The following overview shows the substance groups that make up this silicate paint:
- Renewable natural substances – 34.2 %
- Processed natural substances – 9.3 %
- Mineral substances – 56.5 %
- Synthetic substances – 0 %
Ingredients: Mineral fillers, water, titanium dioxide, potassium water glass, REPLEBIN® (bio-based binder), silicates, cellulose, rapeseed and castor oil surfactants, xanthan gum.
Frequently asked questions
Does silicate paint help against mould?
Yes. Its high alkalinity gives it a fungicidal and algicidal effect, which makes it particularly suitable for interior walls prone to mould.
On which substrates can I use the paint?
On concrete, plaster, plasterboard, Rigips, clay or woodchip wallpaper. Only substrates with uneven or high absorbency need to be primed beforehand.
Can I tint the paint?
Yes, up to 10 % AURO Full-Tone and Tinting Colour No. 330 can be added.
Is the paint free from added preservatives?
Yes, Professional Silicate Paint No. 303 contains no added preservatives whatsoever and is AgBB-compliant.
How well does the paint cover?
It achieves opacity class 1 (the highest class) with a hiding power of 99.5 %.
How much area does one container cover?
5 litres are sufficient for around 40 m², 10 litres for around 80 m² with two coats.
Handelsmarke Adresse
AURO Pflanzenchemie AGAlte Frankfurter Straße 211, 38122 Braunschweig, Deutschland
+49 531 281410
bestellung@auro.de