Plaster patch behind light fixture how to#
Allow to dry as you work your way through this how to patch drywall project. Immediately apply a thin layer of compound on top of the tape. The plaster that goes between the lath is called keys, and it locks the material in place. I would avoid plastic anchors because they are the weakest of the options, especially when the weight of the unit pulls perpendicular to the surface rather than parallel to it. Lay a 1/8-in.-thick bed of patch drywall compound over the joints and press paper tape into the compound with a flexible 6-in. With all the loose old plaster removed, use a flat trowel to coat the exposed lath with plaster base coat, being sure to work the material into the spaces between the lath. Screwing into framing members (e.g., joists) is preferred, but toggle bolts or other expanding drywall anchors can be used. If the fixture is too large to be supported by the fixture box alone, you can use conventional attachment mechanisms to support the fixture in the ceiling. They are also available with extra strong braces that fit between framing members. If you are replacing the box, a fan type box has extra strength and long screws to support the weight of a fan. The box then attaches to the support bar.Ī circular fixture is usually light enough to be supported by the screws into a well mounted ceiling fixture box. In some cases, where boxes need to be suported between strucutral members, they use metal braces that reach to structural members. Most fixtures have screw holes that align with the standard spacing on the fixture box. The box is usually firmly mounted to a joist or other structural support. Carefully cut the sheathing off.In the US, a ceiling lighting fixture generally is mounted to an electrical box.
Allow the adhesive to set - this may require you to pull gently down on the panel - especially if its a non gap-filling stuff like PVA. screens, refrigerators, inside cabinets, around pictures, carpet under doorways, on plastics (such as storage containers in the kitchen), and on walls above heat sources. With plaster you can create unique forms Customizing your light fixtures made from plaster comes with a wide range of options.
Add wooden cleats behind each side for support. Other locations include polished light fixtures, t.v. So it’s no surprise that this medium can make your light fixtures equally as versatile. Turn off the power to the lights and remove any ceiling fixtures. Stick it up thole, and then pull it down firmly over the hole from above. Carbon and dirt are more likely to collect there, and mold is more likely to grow there. Set the drywall patch against the wall and secure it with 1 -inch drywall screws. Test-run the fit, and then coat the panel in adhesive - PVA or any other good sticky stuff. Pry off the loose plaster with a painter’s tool clean up the debris. Using a utility knife, score the plaster along the patch outline. If you don't have a cable stripper, this can also be done by taking a sharp utility knife or razor blade and slicing the sheathing parallel to the wires, being careful not to slice the insulators. Hold drywall patch against plaster wall, and mark its outline with utility knife. Once the hole is cut in the wall for the box, feed the cable (or cables) out through the wall opening.īefore feeding the cable into the old work box, use a cable stripper to remove about 6 inches of the outer vinyl sheathing from the NM-B cable, exposing the conductors and the ground wire. If the cable is already connected on the source side of the circuit, make sure the circuit breaker supplying power to it has been shut off at the main service panel. At this point, the new cable should be unattached to any electrical devices. There should be 8 to 12 inches of excess cable at the new wall opening. Make sure the new lengths of cable are sized appropriately for the amperage of the circuit.
More complicated wiring scenarios may call for two cables. If the new outlet is a simple circuit extension, there will likely be just one cable running from the last outlet location to the new box location.
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