If, when you push on the wall, it flexes as though it has broken away from its support base, call a plaster specialist—the repair will involve removing the loose plaster and replacing it. The holes were caused by water damage to the plaster. What country are you in and what style of house etc? It can be a good idea to scrape out and fill cracks as No. If you miss, the bit will sink in right to the chuck. Cut a square piece a bit larger than the damaged area and hold it over the hole to trace the outline onto the wall. First brush away loose plaster and dust.
On the third day, spread another coat, and after it dries, smooth it gently with a damp sponge. It is a little overwhelming, especially for a room as small as this bathroom. Install the Wood Frame Hold the new drywall patch in place to check that it fits into the new hole easily without being forced. Older buildings were built with a plaster ceilings. Using a margin trowel, smear the mix against the old plaster edge, as shown, and over the lath. Alternative, hold the wood down tight with some string, drill small hole in plasterboard disc, stick the disc in, holding string tight, when set cut of string, or push it up into void, then Fill and sand. I seems like I should be able to go down the spaces in the board and adhere the plaster to the wood from above with a construction adhesive or something similar.
Have a chat with the lads on Sunday and see what they think… Cheers Ian Hello, Some interesting suggestions there. That delay cost me as the plaster continued to deteriorate. If you come up short on wood, check a garden store for a cheap trellis to disassemble. A lot of folks then go for a lining paper before painting…. The surface will look like it has been repaired.
First scrape out all cracks and vacuum out loose material. Most holes are small enough that a simple patch is adequate to fill and cover the hole. The putty knife will pick up on any surface roughness in the plaster and transfer this to the latex with a wavy pattern. Plant washers about 8 to 12 inches apart on both sides of the crack. Leave as is or decorate with varnish, wood stain, or paint.
Instead, you need to use a dry powder texture paint depending on your ceiling finish, you can also use a pre-mixed latex texture paint with an appropriate applicator. Go over the patch a couple times to remove most of the mud. What is the wall built from etc. Sand patch and surrounding plaster smooth. Great article about the use of hair in lime plasters for reinforcement. It's much harder than the wall's original plaster, and it sets in the blink of an eye. Cheers Ian We have a ceiling where some of the plaster has failed photo available on request.
Do you have a crack or hole in your wall at home? The technique for repairing lath and plaster is basically the same whether dealing with lath and plaster walls or ceilings. Best regards Ian Hi Ian interesting article…. Often strips of plasterboard are fixed in between the joists on small lathes nailed onto the side of the joists to hide wiring and the underside of the floorboards above. When applying plaster it sounds like I need at least two layers, once base and another finishing. Hey Billy, Sounds like a lot of character! Previous builder repairs on other smaller loose patches have not held and this hole is now pretty big, with more loose material around it.
I Begin the Plaster Ceiling Repair For my repair I cut away all the loose surface plaster with a utility knife. If necessary, trim around the edges of the hole to remove any obstructions that prevent a good fit. So-called patching plaster sold at home centers. Yorkshire based educator and supplier of lime products. So, here are some books I found interesting which will be useful to get you started! Apply the plaster mixture in layers, allowing each to set before applying the next. Normally you will be able to find a local product that is suitable for your house though. All ceilings have been overboarded and re-skimmed with great success — since the laths were secure to joists and plaster heavily cracked.
Old house online has a great description here which will give you an idea of whats involved. Use the marks on the walls to snap a chalk line onto the plasterboards, showing you where to place the screws. Sometimes, if the plaster is not too thick, you can stand back and look for ghosts or shadows of the lath showing through the finish coat. Latex caulk is easy to clean up. Apply a First Coat of Joint Compound We use a for the first two coats of this repair. As you would expect from Haynes these books have great photos and easy to understand and follow instructions.
Using a wide putty knife that I wetted down, I spread this caulk to cover the exposed area. Some plaster is of poor quality, and this may cause the plaster to crack and crumble. You could cut rockwool or fiberglass to fit the odd spacing. Both holes are about the size of a watermelon. Here is my ceiling after the repair, and below that you can see a better view of my Starry Night bathroom. Interestingly after the hole there is a crack which runs parallel under? Measure the opening of the squared hole and cut two furring strips, 6 inches longer than this measurement.