![]() When they are filled use a 45 or 90 minute fast set to tape all joints where new and old meet. You can add dabs of construction adhesive under it too, it the framing to screw to is only on one edge.Īfter the filler pieces are in, and the existing plaster is cleaned back to get rid of the remnants of the corners that stick downward, then you can start filling in the gaps with fast set. 3/8 sheetrock is still available, get a piece and set in place with screws long enough to find the framing, say about 1 5/8" to 2" long. ![]() The sandy "brown coat" and thin "white coat" usually are about 3/8" thick over the rock lath. even if it is only on an edge, or in the middle, it does not matter, this will allow a filler piece of drywall to screwed in place, not nailed, nailing will vibrate all kinds of stuff that may crack things you don't want cracked. A small diameter nail probe should locate something. There should be framing that the rock lath is secured to, typically as backers over the wall that was taken out or other wood that was on either side of the wall. It replaced wood lath somewhere around the 1940's or 50's. If you followed the steps above correctly, you should now have a freshly plastered ceiling ready for painting!įor more plastering tips, check out our guide to patching plaster.What you have is what is called "rock lath" It is a forerunner of modern drywall. ![]() How To Plaster a Ceiling - Final Thoughts Give all your tools a final wash and clean all buckets and mixing gear. While cleaning up and carrying tools through your house, ensure you don’t track plaster throughout your floors and carpets. Clean-Up TimeĪs mentioned earlier, plastering is incredibly messy. Using water while trowelling up will add a smooth, glowing finish to your plaster. The Pros then proceed to trowel back and forth as explained above. Many Professional plasterers wet a paintbrush and flick the water onto the ceiling. Final TrowelĪs the name suggests, the final trowel is your last before the plaster fully sets. Continue ‘Trowelling Up’, but add water while trowelling. Make sure to include the height of that riser in your measurement of the landing’s depth. Pro Tip: Don’t forget that a landing will have a riser beneath it, just like any other step on your stairs. Try and keep it as even and consistent as possible while minimising the lines left from the trowel.Ĭheck out the video below by Tommy’s Yard around the 3:55 mark for a lesson on skim coating. Starting from the edge of the wall, trowel the plaster onto the ceiling in thin (roughly 2mm thick) and even rows. Scoop a generous amount of plaster onto your hawk, and then scoop a bit off with your trowel. Therefore, please be patient and start with minimal plaster, as it’s easier to apply and control. Plastering will be hard at first and will take plenty of practice before you perfect it. Now you’re ready for the action! A ‘Skim Coat’ is a thin first layer of plaster you will apply to your ceiling. ![]() Pro Tip: Buy or borrow a mixing paddle for your electric drill if you don’t want to mix your plaster by hand 4. Refer to your plaster package instructions for the correct mixing ratio. You don’t want your plaster to be too thick or too runny, so add water as you work. Make sure you give it a good mix so that everything blends in and you get an even texture and consistency throughout the plaster. If there are any high spots or crumbling plaster, you’ll need to sand these spots down with a sanding block. Ensure all light fixtures are taped and covered up before you begin. Remove any nails or screws from the ceiling. ![]() You’ll also need a few buckets for mixing plaster and a bucket of water for cleaning your tools. Wear safety goggles, a dust mask and some old clothes you don’t mind ruining. Ideally, you should remove all furniture from the room, but if this isn’t possible, cover them with plastic sheets instead.Ĭheck out our ‘ Painting A Room With No Mess‘ post for more tips on preparing your work area. Splatters and spills are a part of the process, so ensure surrounding furniture is protected. Plastering a ceiling is incredibly messy, so cover your whole floor with a few large drop cloths. ![]()
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