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. 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.
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. It is also important to use oil-based or any high quality primer to prevent all kinds of moistureon the surface. You should also use the top quality latex based paint to get the best result when painting your old plaster walls.Here are few other tips on how to paint old plaster walls.
At 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. Take all the pictures and photo frames and switch outlet covers off the walls. You also need to remove all the nails from the walls by using the claw end of the hammer.
Preparing the Surface:
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. When the repairing is done, don’t forget to spot-prime the areas you scrape. This will ensure that patching compound adheres properly and this will also reduce the interior paint cost in Lyndhurst NJ.
If your plaster walls have holes and large cracks, you should readily fill them with plaster patching compound by using a putty knife. 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. After that, take a putty knife to apply a thin layer of patching compound over the mesh tape.
Give the patched surface enough time to dry completely. 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. It is also important to wipe off all the sanding dust by using a vacuum cleaner or a piece of simple cloth.
Priming and Painting the Plaster Walls:
Apply a high quality primer on the plaster wall and allow the primer to dry for the maximum amount of time. 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.