![]() ![]() You can handle some small cracks with a two-coat process using a flexible patching compound, and there isn’t any sanding required. If the repair or crack is still visible, apply a third coat and feather the edges with sandpaper once dry.Lightly sand the repair area to remove any high spots and ridges while also feathering the edges of the repair.Wait 45 minutes to an hour so it can dry. Starting at the top of the tape, apply the compound and remove the excess. Immediately apply a second coat of compound over the top of the mesh tape.Starting at the top, lightly press the mesh tape into the bed of compound before using the putty knife to cut it at the bottom. Apply mesh tape over the fresh compound.Remove the excess compound by pulling the blade of the knife across the crack at an angle (not perpendicular to the crack). Start at the top of the crack and drag the compound down, pushing it into the crack as you go. Using the putty knife, apply a thin coat of joint compound to the crack.Look for compound, paint flakes, and other debris in the crack and scrape it out. Start the project by cleaning up the crack with the utility knife.After explaining to Kevin that his paint job is only as good as the prep work, the two discuss where cracks are most likely to occur before diving into a few repairs. Give our team of experts a call or contact us today to get in touch about your next project.Mauro Henrique gives Kevin O’Connor a lesson on patching cracks in plaster and drywall. You are then ready to paint! We suggest at least three coats of your chosen emulsion applied sparingly with a roller. If there are any minor cracks showing fill with a multi-use filler, let it dry and then sand it back. Apply your chosen colourful topcoatĪllow 24hrs for the mist coat to dry. You must always water down your first coat to create the best adhesion. Standard emulsion has a higher vinyl content and means it’s too thick to paint fresh plaster effectively, it won’t adhere and can cause peeling. As the mist coat is very runny, look out for drips or streaks and paint over them quickly to get an even finish once dried. Work in a smooth upwards motion until the entire wall is covered. Using a roller will cover your plaster quickly, although it can get quite messy as it will spatter the paint easily. ![]() You will know when the mist coat is completely mixed together when the water isn’t settling on the surface of the emulsion. You don’t have to use the exact same paint you’ve chosen for the final topcoat but you should use a similar colour for an even finish. You can make your mist coat by watering down a standard emulsion, 4 parts water to 6 parts paint. This is usually called a ‘mist coat’ which is a water based emulsion. If the plaster is too shiny the paint won’t adhere. Lightly sand the plaster with 120 grit sandpaper to remove any small imperfections and to key the surface. Applying a mist coat can be messy as the paint is thinner than usual. ![]() Use dust sheets to protect floors and large furniture, then tape any fixtures and fittings that you want protected from the paint. Don’t be tempted to speed this process up with heaters or dehumidifiers, this could crack and damage the plaster. Please be patient and allow time for it fully dry out. Depending on the depth and number of coats of plaster, as well as the temperature in the room it can take weeks for the plaster to dry. If there are any darker shades it means it’s still wet in places. It should have a light uniformed background. Make sure the plaster is completely dry before doing anything. Vessel to mix the emulsion and water together.You have to take steps to seal the plaster so you can get the perfect finish with your colourful topcoat. When thinking of painting over plaster on a new wall or ceiling it’s important you do all the necessary preparation compared to a wall that’s been previously painted. Home > Blog > A complete guide to painting new plaster ![]()
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