How Do I Paint Exterior Concrete Walls?

Concrete is used in the UK on most exteriors, this can be a difficult substrate to paint as it absorbs paint, transports moisture and must be able to breathe.


Clean from all atmospheric, algae, mould contamination using Valtti Mould Removal Solution (1 part solution:4 parts water).


  1. Hydrosol Masonry Primer

Topcoat Options

  1. Finngard Silicone Protect
  2. Finngard Opaque (High-performance option)
  3. Hydroblock WB  (Clear protection). Note, no primer is required before application of Hydroblock WB
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Paint Calculator

How much paint do I need? 

Use this calculator to work out your requirements, if you have any question please get in touch with one of our team who will be more than willing to help you.

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Disclaimer: Tikkurila UK Paint Calculator is provided as a guide only. The coverage rates will vary depending on surface being coated and the particular product range being used. More information on these products can be found on the cans, on the technical data sheets on individual product pages, by using our live chat service or by calling our technical team on 0131 334 4999.

Every effort has been made to ensure the accuracy of the estimate, however paint requirements may vary depending on the surface, type of paint, sheen level and colour chosen.