Discussion in 'Builders' Talk' started by winterdiy, Jan 6, 2017. winterdiy Member. Fixing into a more modern stud wall with plasterboard is much the same – don't try to fix anything other  than “blu-tak” onto the plasterboard – instead fix through that and into the studs. Removing the lath and plaster wall without checking if it is a load-bearing wall or not, which can put your safety at risk Hiring the cheapest contractor who claims to know how to plaster walls. These sheets are not very thick, and can easily break. How should I fix the stripped hole in the plasterboard? When the coat has set, unwind the wire, remove the pencil, and push the wire into the wall cavity. 6. A stud locator – seriously – this will help locate the studding in partition or stud-walling Bradawl Electric or hand-drill Computer controlled robotic arm (to hold your pencil) A screw driver or driver bit drill attachment Suitable screws Putting strong fixings into plain brick/render/plaster walls is easily made with Rawl plugs and screws (or their generic counterparts). When repairing lath and plaster walls, it is highly advisable to get into the habit of using similar materials.Repairing holes in lath and plaster walls can range from being very difficult to quite quick and simple. Accidentally hitting a section of lath may cause a vibration and loosen the plaster away from the lath. You'll find it virtually impossible to make a firm fixing into lath and plaster so put your screws into the wooden studs which run floor to ceiling at around 14 inch intervals for  the length of the wall. Depending on size, sleeves will take #4, #6 or #8 screws. Once the lower screw and bracket were in place, I tightened this top screw. Step 2: Drive Your Screw Into the Wall. A handrail needs to support a 200 lb load in all directions. For all its ambience, character, and positive acoustical … I'd carefully cut (with chisel) the laths continuing on into the rest of the wall and make sure they are fixed properly (screw or nail). Furthermore, can I nail into plaster walls? These lath and plaster stud walls will normally only be found on 'internal' walls between rooms, hallways  or stairs. Gather the necessary tools. You'll find it virtually impossible to make a firm fixing into lath and plaster so put your screws into the wooden studs which run floor to ceiling at around 14 inch intervals for the length … Fixing to lath & Plaster is often difficult as the wall does not have much strength at all where the laths and plaster are! Zircon MetalliScanner m40. Due to this reason, it is not recommended for you to drill directly into the plaster. 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. You can see the pink plaster, which is pushed onto and into the yellow laths, which in turn are fixed at narrow spacing to the upright timber studs. I tried the plastic insert with wings like this. If not, re-drill with proper bit, and toggle bolt. Hanging stuff on plaster walls can be challenging. The more expensive ones allow you to adjust the position of the TV. Below is a lightly edited transciption of the audio track. Then fix your screw into … Hanging heavy objects on the wall can be tricky, and with all the options available out there, downright confusing. Drill a pilot hole before hammering larger nails into plaster. Then you drill the screw into the anchor, changing your drill bit of course or you can just use a screwdriver with some muscle.I leave mine a little bit away from the wall so the wire from the picture will fit on it. Place the tip of the bit against the center of the masking tape "X." 4. For lighter items, simply screwing into the plaster with a 1 1/4” drywall screw is usually enough to get the job done. This time-tested repair method restores the plaster wall to good-as-new condition. Instead, use plaster anchors made of metal like a molly bolt or a toggle bolt. Forget trying to find the studs using a stud detector, many of them are useless. We moved into a house built in 1906, so many of the walls are still lath and plaster. I'm Rory Brennan, owner of Big Wally's Plaster Magic and Preservation Plastering. To install: Seat the round flange flush with the wall surface by tapping the screwhead. Choose a drill bit slightly smaller than the screw intended for the hole, when applicable. Lath and plaster walls have a slightly better insulating R-value than do drywall wall … Be sure to use one that's long enough to get behind the plaster and lath. I didn’t screw the screw in all the way, so that I could take the hanger on and off to drill the second hole. This may not only cause a crack in your wall, it could compromise large sections of plaster. You have to go slow. If You Hit Lath: Step 3: Add Screw. Place another bit of tape below the hole. Then you will use a screwdriver to tighten the molly bolt, securing it. Although walls may have a smooth surface, some walls deceptively hide an inconsistent combination of wood (lath) and plaster, with deep and shallow levels of density among the plaster, lath and stud. Sometimes they’ll include recommendations for other related newsletters or services we offer. These are ideal for plaster walls as sometimes it can be hard to know what the thickness of plaster walls are. Hanging things on lath and plaster walls is a tricky business. This is unusual nowadays, but some older houses have partition walls made of boarding. Lath and plaster walls provide a room with better soundproofing, as opposed to drywall walls of an ordinary thickness (1/2-inch). As soon as you see brown dust, you are into the second layer. After wetting the lath and surrounding plaster, spread a rough coat of compound into the hole. You can detect timber walls by a simple scratching test below the wall covering. Lath and plaster is a process used to finish interior walls and ceiling. The plaster that goes between the lath is called “keys”, and it locks the material in place. How do you screw into old plaster walls? Drill through the tape and into the plaster at the marked location. Place the tip of the nail in the pilot hole and gently tap the nail into place. From here you will lightly tape in the molly bolt. Just drill a pilot hole before screwing in screw. Updating lath and plaster walls to drywall can be done by covering or replacing them altogether. Long before the advent of drywall, using plaster to coat walls was a common practice. However, lath and plaster has its downsides. http://www.plastermagic.com | Before you get started on any plaster wall repair project, it's important to know what a lath and plaster wall looks like. Using your drill bit, drill a clean and straight hole into the wall, through the plaster and lath. I'm Rory Brennan, owner of Big Wally's Plaster Magic and Preservation Plastering. Find the studs, either with your handy stud locator (cost a few bob from any decent DIY shop) or by simply tapping  on the wall in various places. Again, see the picture above. This time-tested repair method restores the plaster wall to good-as-new condition. When the coat has set, unwind the wire, remove the pencil, and push the wire into the wall cavity. The main thinking behind finding the studs in this type of walling is that we need to fix our bracket or what-have-you into the stud rather than the hollow lath and plaster part of the wall. This helps guide the screw into the plaster. Or,  you could use a bradawl to poke through the laths in different places until you meet resistance - but  then of course you'll have to fill all those little holes with filler and sand them and paint and it  all gets very messy just for putting up a shelf. With your drill, drill a pilot hole in the wall at this mark. Or use thick adhesive to glue it to the back of the lath and plaster. How to Find Studs in Plaster Walls Using the Stud Finder. You simply drill a hole into the wall with the anchor itself, then insert the screw into the anchor. Homeowners and contractors covered masonry walls with a cement-based material to hide the structure. One extra screw isn't gonna break the camels back If you hit lath, you can add your screw directly into the wall. But I'd drill first with a thin bit, and if I happened to hit stud, I'd use a wood screw. You can see that the thin lengths of timber (laths) are nailed across the joists and then plaster is applied to the laths. Sink A Self-Drilling (Threaded) Anchor. Using a small hammer tap the screw to push the plug through the plaster and into the wall itself and stop when the length of screw sticking out equals the length of the wall plug. Once you know that, and you have your walls laid out, just start drilling holes with a small bit through the plaster and lath until you find a joist. Hold the drill steady and drill straight into the plaster. 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