If you have cracks in the corners then use a caulking gun with an acrylic latex caulk when the primer is dry. Once the cutting in is complete, you can use a roller on an extension pole to paint the rest of the wall. This means you will paint a 2-3 inch strip around the corners, ceiling, and baseboard. If the plaster is new, you’ll need to let it dry for 4-8 weeks, depending on thickness, before you prime the walls.īegin by cutting in around the edges of the wall with a 2- inch paintbrush. This is an important step because it will help the paint adhere to the surface. Once the walls are smooth and dry, you will need to prime them. If not, sand with fine-grit sandpaper (120-150) until the walls feel smooth. Sand the spackled areas, if the walls feel smooth to the touch then you can move on to the next step. Allow the patches to dry completely before moving on to the next step. If there are large holes you can spackle with hot mud that doesn’t shrink much. Once the walls are cleared, you can patch any holes or cracks with putty or joint compound with the putty knife. If the paint contains lead then either hire a professional to do the prep work for you or take all the necessary safety precautions to do it yourself. You can do this yourself with a lead test kit, or you can hire a professional to come and do it for you. If your walls were painted before 1978 then it’s important to check for lead levels before you start sanding or stripping the paint. You will want to open any curtains or blinds and turn on all the lights so you can see any imperfections in the walls that need to be addressed. Make sure you have the proper lighting in the room as well. If you have any electrical outlets, you will need to remove the covers or tape around them with painter’s tape. This means you will need to move all of the furniture out of the way and cover the floor with a tarp or drop cloths. The first step is always to prep the room before you start to paint your plaster walls. Do I need to mist coat old/new plaster?.What kind of primer should I use on plaster walls?.Do I need to sand the walls before I paint them?.Do I need to use a primer on my plaster walls?.Can I just paint over existing paint on my plaster walls?.What type of paint should I use on plaster walls?.You can pour good quality paint into a pan and use a roller to evenly apply the first coat of paint to the plaster walls. Priming and Painting the Plaster Walls:Īpply a high quality primer on the plaster wall and allow the primer to dry for the maximum amount of time. It is also important to wipe off all the sanding dust by using a vacuum cleaner or a piece of simple cloth. When it is properly dry, sand the patched area using a fine-grit sand paper and apply the second coat of patching compound, allow it to dry and sand the surface again. Give the patched surface enough time to dry completely. After that, take a putty knife to apply a thin layer of patching compound over the mesh tape. It is also important to cut a piece of mesh tape in the most appropriate size so that it fits the space and then place it over the patched area. If your plaster walls have holes and large cracks, you should readily fill them with plaster patching compound by using a putty knife. This will ensure that patching compound adheres properly and this will also reduce the interior paint cost in Lyndhurst NJ. When the repairing is done, don’t forget to spot-prime the areas you scrape. Give a close look to your old plaster walls for any damaged areas of plaster and use a scraper to remove crumbled and flaking pieces. You also need to remove all the nails from the walls by using the claw end of the hammer. Take all the pictures and photo frames and switch outlet covers off the walls. Here are few other tips on how to paint old plaster walls.Īt first, you need to move all the furniture of your room to the center of the room and cover the floor with few pieces of drop cloths. You should also use the top quality latex based paint to get the best result when painting your old plaster walls. It is also important to use oil-based or any high quality primer to prevent all kinds of moisture on the surface. When it comes to paint old plaster walls, you first need to fix all damaged areas of the walls by using a high quality patching compound recommended for use especially on plaster walls. Typically, old plaster walls are more temperamental than the drywall, therefore, you should not skip any part of the prep work or you may find yourself doing repairs in the long run. Old plaster walls are little difficult to paint and you have to put a little more effort into the surface preparation job before you apply the first coat of paint.
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