Plastering Over Painted Exterior Walls: A Guide to Successfully Plastering Painted SurfacesHome Improvement ExpertFeb 20, 2025Table of ContentsPreparation Steps for PlasteringApplying the PlasterCommon Challenges and How to Overcome ThemFinal ThoughtsFAQTable of ContentsPreparation Steps for PlasteringApplying the PlasterCommon Challenges and How to Overcome ThemFinal ThoughtsFAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeMany homeowners wonder if they can plaster over painted exterior walls, and the good news is yes, you can! However, there are important considerations to ensure proper adhesion and a long-lasting finish. First, you need to assess the type of paint on the walls. If the paint is glossy, it’s crucial to sand it down to create a rough surface that allows the plaster to adhere better. Additionally, cleaning the walls thoroughly is key to removing any debris or grease that could interfere with the plastering process.Preparation Steps for PlasteringBefore applying plaster, make sure to prepare your walls properly. Start by washing the surface with soap and water, followed by rinsing with clean water. For extra assurance, applying a bonding agent can enhance adhesion. If there are any cracks or imperfections, fill them in with a suitable filler and allow it to dry completely.Applying the PlasterOnce your walls are prepped, it’s time to apply the plaster. Use a trowel to spread the plaster evenly over the surface. Work in manageable sections and don’t forget to feather the edges for a smooth finish. Allow the plaster to cure according to the manufacturer’s instructions before painting or sealing.Common Challenges and How to Overcome ThemOne common challenge is ensuring that the plaster adheres properly. If you notice any peeling or flaking, it’s best to remove the plaster and start over. Also, consider the weather conditions; applying plaster in extreme temperatures can lead to poor results. Remember, patience is key!Final ThoughtsPlastering over painted exterior walls can rejuvenate your home’s appearance, but the preparation is crucial. Have you ever tried plastering over painted surfaces? What tips would you share? Let’s chat in the comments below!FAQCan I plaster over any type of paint?It’s best to avoid glossy paints; sanding them first can help.welcome to CoohomHome Design for FreePlease check with customer service before testing new feature.