Deepens the colour of architectural concrete and concrete walls for a wet look and strongly lowers their water uptake. The water-based siloxane and silane sealer leaves the pores open.
Concrete and floorsVB-2 is a concrete-wall sealer with a wet-look finish. It lowers water uptake more strongly than VB-1 and permanently deepens the colour of the concrete.
The boundary between a sealed section and a raw one will show, so seal the wall in one go, not in sections with gaps between them.
A multi-component siloxane and silane product, water-based, alkali and UV resistant, meeting the requirements of PN-EN 1504-2 tab. 3.
Concrete accepts a sealer only when it is dry, clean and seasoned. A fresh slab is still giving off mix water and will push any coating off with it.
A new floor and fresh precast units need time to season - for precast concrete it is usually around 28 days.
Before sealing the whole area, test on a patch hidden by a planter or in a corner of the patio. The same product can read differently on two batches of the same material, and on a surface with old coating left on it, it will not bond at all.
Yes, if you choose a product that forms a polymer layer - it binds the loose particles on the surface and gives a dust-free finish. It is not a substitute for a hardener where the concrete itself is dusting because it was poorly floated - the problem is then in the slab, not on it.
Yes - choose a product approved for indoor use. With a solvent-based one, ventilate during application and for the period given in the product instructions.
Remove them before sealing, with an oil stain remover. A sealer applied over a stain seals it in and fixes it - oil will not evaporate through a sealed layer.
It helps - it limits the ingress of water and the salts dissolved in it.
Composition and finish. The -1 versions are single-component, based on siloxanes alone, and dry colourless. The -2 versions are multi-component - siloxanes with modified silanes - and give a lasting wet-look finish. Both meet PN-EN 1504-2 tab. 3 and both leave the pores open.
Consumption depends on the absorbency of the material, because the product is applied to saturation - so the surest way to work it out is to seal one square metre, see how much product it took, and multiply by your area, adding a margin.
After 5-6 hours. Until then, protect the freshly sealed surface from rain and from direct sun.
Apply to full saturation in one generous coat; on absorbent material, repeat the application wet-on-wet.
Write to us with the area and the type of surface - we will help you work out how much you need.
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A sealer will not bond to a dirty surface. Start by cleaning it thoroughly.
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