Johnstone's Covaplus Vinyl Matt Brilliant White 10LJohnstone's Trade Covaplus Vinyl Matt is a high opacity emulsion for interior use on plaster surfaces. Ideal for walls and ceilings where it dries to a wipeable matt finish. Wipeable products are suitable for light traffic areas where occasional cleaning is required. Can be applied to coated plaster surfaces without thinning. On new plaster, thin the first coat with water to manufacturer's recommendations. Easy to apply with excellent coverage. Low