![]() ![]() Check instructions on your tin, but for most paints, you will need 2 subsequent full coats.Painting in wet plaster is commonly referred to as 'fresco painting.' Fresco is a painting technique that involves applying pigments onto wet or freshly laid lime plaster. You should not count a mist coat as a full coat of paint. It’s best to leave your mist coat to dry for 24 hours due to the additional water it contains. Apply as normal with a brush and/or roller – but do watch out for extra splashes and drips. ![]() How to apply a mist coatĪfter prepping the walls, thin your Frenchic paint with a maximum of 10% tap water and stir well. As you apply new paint to badly adhered existing paint, it can pull away the surface. Paint that is not well adhered can crack, flake or even come off in strips! You may not be aware of the extent of the issues until you come to redecorate, even years later. If there are problems, it’s much more difficult to sort them out after the surface has been painted. However, by not applying one, you are running the risk of problems with adhesion. And sometimes, you won’t have any problems as a result. Sometimes, it is tempting not to bother with a mist coat. This is due to the very porous nature of bare plaster and should mean that subsequent coats are smooth. This provides a good base for applying subsequent, un-thinned coats of your chosen colour.ĭon’t be surprised if there is a patchy looking finish after your mist coat has dried. The thinned paint partially absorbs into the plaster to seal it. Generally, you only need a single mist coat. ![]() Now it’s time for the mist coat… What is a mist coat and what is it for?Ī mist coat is the application of a slightly thinned coat of paint in order to seal bare plaster – which is super porous. It’s a good idea to put down protective floor covers in the area you’re painting – even more so with thinned paint as it can be more prone to dripping. Brush, hoover and/or wipe with a damp (not wet) cloth – then allow to dry. Use a 120-grit sandpaper or finer for this and always remove sanding dust before starting to paint. If there are any imperfections, you can fill and/or sand these before moving on.Īlternatively, if you have a super smooth, glass-like finish, it can be a good idea to lightly sand to whole area to maximise adhesion. If there are any rough patches or debris adhering, knock this off with a quick sand. Once dry, check the surface of your new plaster. Generally, for most areas of new plaster, it can take around 4 weeks to dry out – but in damp or cool conditions this may take longer. This is important as retained moisture may cause issues for your paint either straightaway or over time. Make sure plaster is fully dryįirst and foremost, ensure your plaster is completely dry. Read on as we briefly discuss drying times, preparation and mist coats when painting new plaster. Without the right care and attention, paint on new plaster can become flaky or uneven. Use a mist coat to seal the super-porous bare plaster before painting.Prepare your plaster and put down protective floor covers.Make sure plaster is completely dry, which typically takes around 4 weeks or even longer in cool or damp conditions. ![]()
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