Undercoats & Primers

This 750ml stain block from Ronseal is ideal for covering & hiding bold colours, dark marks & stains, and permanently blocks stains in just one coat around the interior of your home. It covers nicotine, crayon, grease and much more as a tough basecoat.Water-basedSuitable for Embossed wall coverings & plaster surfacesApply using a Brush or rollerInstructions for Use - Thoroughly stir the paint before you start. If you’re using it to seal bare surfaces, thin it with up to 20% water. Pour the paint into a tray and apply to the wall with a brush or roller. Leave for four hours to dry before painting or wallpapering.Guarantee - StatutoryFeatures and benefitsPermanently blocks stainsCovers nicotine, ink, crayon and greasePaint over in 4 hoursOnly requires one coatRonseal One Coat Stain Block permanently blocks stains from showing through your paintwork. It dries in 4 hours and comes in an easily storable tin can. For added convenience, you'll only need to apply one coat to your walls and as it's paintable, it's ideal for colour matching to your existing decor.