Lay drywall tape around the edges of the drywall. Space the screws about 6 inches apart around the edges and about 12 inches apart in the center of the rectangle. Smooth the edges of the repair, then set the drywall inside the rectangle and screw it in place with 1 1/4-inch drywall screws. The only way to fasten an heavy object such as shelving or a sink to a lath and plaster wall is to screw directly into the studs (the studs are the upright lengths of wood), or you could remove a section of the lath and plaster and fix noggins in between the studs and then plasterboard the area and fasten to the noggins.įorget trying to find the studs using a stud detector, many of them are useless. Collect the plaster pieces in a garbage bag for disposal. The other side of this lath and plaster wall has been previously renovated or else you would see the laths and the plaster on the inside. When this happens the only real remedy is to remove the plaster and the laths and board out the studs with plasterboard. This has been removed as the plaster had become detached from the laths and was bulging. If there’s no stud to anchor a lath end, slip a piece of lath into the cavity and screw it to the back of the existing ones, parallel with the studs. Use drywall screws, and always drill pilot holes to avoid splitting the wood. Plaster was used for centuries as a wall covering and it wasn’t until the mid-1940s that it began to be replaced in favor of newer and faster option, drywall. Depending on your situation they can be both beautiful and annoying. My fear is that someone's going to advise a solution along the lines of "cut a surgical hole out the plaster and from there restructure the entire wall with your pinky and then masterfully skim over it and pretend nothing's happened." This is a bit beyond my skill, I think, so I might have to go for option 4 in this insistence.This is what a lath and plaster wall will look like with the plaster and the laths removed. Step 1 Fix the Lath Photo by Ben Stechschulte Replace any missing lengths of lath, and refasten all loose pieces. Lath and plaster walls are a part of life in an old house. Lots of people seem to advise this, but another miscellaneous man (on a forum this time) said that sometimes very old studs can crack when drilled into?ģ) Use butterfly/molly fixings to just go through the plaster/lath, close your eyes and hope that 6-8 of these across both brackets will be strong enough? You could try to drill holes carefully and plug it, maybe. In my experience I can normally get a good enough fixing for a patteress through the lats. I would recommend using a strap toggle type anchor behind the bottom screw and one of the top screws. If there is not a stud in the immediate vicinity, you need to use a serious anchor. Unless your screws hit a stud or an anchor of some sort, the bracket is decorative, not functional. The rough texture of plaster is desirable in historic homes or ones with old-world design. Screws in wallboard do not support anything. To quickly fix a plaster wall with spider or narrow cracks, youll need some drywall tape, joint compound to fill the gaps, and sandpaper to get it looking even again. Because plaster is more contour-friendly than drywall, it’s easier to apply to curved walls. You can also opt for fire retardant coating. Make good and fix the heater or brackets. Plaster is more fire-resistant than drywall, especially when laid over metal lath. Lath and plaster wall (clad in that PVC stuff), Ive only got 1 joist in a position to do anything useful. A man in a shop told me this, but I haven't read it on any forums, so I'm not sure whether to trust this miscellaneous "man in a shop".Ģ) Find out where the vertical studs are using a cosmically strong magnet and just fix to this, as normal. You could try and cut a hole out behind the heater and slide wooden battens into the cavity and screw through the plaster and lath wall to secure the wood. Got a tarty glass shelf thing to put up in the bathroom. Use extra long screws and fix the brackets to this. Plaster walls are not commonly used for new builds, but if you live in an older home, the walls may be made of lath (strip of wood) and plaster. For very small holes, you can simply remove loose plaster from the hole, then fill the hole with patching plaster or spackling compound, smoothing the surface. Therefore, if you really want to replace your lath and plaster walls with drywall, then you need to remove the plaster walls completely down to the studs. A finished drywall wall ready for painting. 1) Use an extra long drill bit to go right through to the brick, and then stick in an extra long raw plug that goes through and into the brick and sits facing out the plaster. Your only insulation option is going to be blown-in insulation.
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