Questions tagged [lath-and-plaster]

or "plaster and lath" is an old fashioned technique for finishing interior walls. It consists of horizontal strips of wood (the laths) nailed to the stud work and then that is plastered.

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Should I add vapor barrier between lath and drywall if only on half the wall? [closed]

I’m renovating a bathroom in my 125 year old home in Northern Michigan. The bathroom has lath and plaster walls with old wood panel wainscoting on the bottom 1/3rd of the walls. The plaster above the ...
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Would a metal lath wall support a piece of wall-hung furniture?

I live in a building built in the 1950s, and thanks to a kitchen renovation project (being done by professionals), I have a much clearer understanding of the interior wall construction. It's a mid-...
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Patching brick, lath and plaster - electrical box

How do patch this? The box is within brick covered by lath and plaster. How do I attach the box to make sure it is set at the correct depth?
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Impact on wall integrity when installing outlets on baseboards vs. higher up on lath-and-plaster wall?

I'm getting new outlets installed in a second floor room and am trying to decide whether to install them in the baseboard or higher up on the wall. I have: Lath-and-plaster walls No crawlspace and at ...
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Asbestos in plaster walls [closed]

I bought my house 4 months ago and it was never disclosed to me that my house contains asbestos. It was built in 1901. I had some of my plaster, drywall, vinyl flooring and adhesive tested from ...
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In what years was plaster over fiberboard used for walls in US Northeast?

Here is a piece of wall I broke open. Fiberboard backing was nailed to joists with plaster (grey) and a skim coat (white). New Jersey house built 1896 and renovated many times since. Original ...
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Finding Studs Behind Wood Paneling + Lath and Plaster

I have a house that was built in 1924 and the original wall finish is lath and plaster. At some point, the entire home was refinished with 1/4" faux wood paneling. I'm having a difficult time ...
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Do 1920s homes with lath-and-plaster walls have lath-and-plaster ceilings?

I'm in an old home and learned extensively about lath-and-plaster. I'm dealing with a problem like in What methods for installing light fixture in middle of room, with lathe and plaster ceiling?. ...
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Can I plaster over metal lath without a backing material?

One alternative to traditional drywall is plaster over metal lath. Most of the videos I've watched use some kind of backing (e.g. brick, OSB, or plywood) with a layer of tar paper over the top behind ...
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Old diamond metal lath plaster ceiling strength for supporting heavy loads?

I am an avid DIYer and have been renovating a space in an old commercial space from the 1950s. It is a hodge-podge of various building materials over the years. In our space is, from what I gathered ...
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Is plaster repair a DIY job?

Existing plaster/lath walls in decent shape, 1920s farmhouse. Lead/Asbestos? Unknown but possible. I actually like Plaster's sound-proofing and would like to keep. Plaster has no decorative elements. ...
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What's the best way to hang frames and shelves on plaster walls?

I live in an old house (about 90 years old) with plaster walls. I have all kinds of trouble hanging things up in the plaster, so I mostly just use 3-M Command strips whenever possible. But there are a ...
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Proper way to mount TV on wall that might be lath-and-plaster?

I have a flat screen TV that I have always mounted on drywall using plastic drywall anchors—eight of those has always held it up just fine and I probably could have used just four. New home is in a ...
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Tips for getting cables through old work box knockouts and into wall

I’m replacing a botched 3 gang switch box (formerly consisted of two incompatible boxes together, cover plate did not fit right). I have clamps on all my cables and am ready to put them through the ...
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Do I need to use a bonding agent between scratch and base coat plaster on the ceiling?

I'm doing a traditional 3-coat plaster over wooden lath to repair a 4x4 hole on an interior ceiling. I'm using StructoLite base coat plaster. I applied Plaster Weld to the lath prior to putting up the ...
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How to get new wire into old box in plaster wall?

I'm rewiring my house, which was built in 1921. I need to bring new cable to a triple-wide switch box (see photos). I cannot push the old knob & tube wire out through the knockouts--it must be ...
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Is there space between plaster ceiling lath and joists?

Two story, midwestern suburban colonial built in 1947. Gable roof. Plaster walls and ceilings. House faces north, and ceiling joists run north-south direction. I am hearing rodents inside of interior ...
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What kind of paint should be used on old plaster and lathe walls?

Are the steps to painting a plaster and lathe walls, house is early 1900's, the same as any other type of wall? What type of primer should be used? What type of paint? On the internet I read about the ...
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How should I fill channels left in old plaster after dado rail removal?

I just purchased a condo in the Boston area. The house has been built early 1900s. I'm removing dado (chair) rails in the dining room that don't look great and are just dust collector at this point. ...
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Based on the picture, what do you recommend using to patch this hole?

This is a 90 year old lath and plaster wall that was cut into to install a thermostat. The hole is 1.5" by 14". Should we use: drywall patch mesh tape and joint compound just plaster ...
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What is the best way to fix broken OLD plaster in a very old house? [closed]

I've recently bought a house which was built in the 1900s. The entire plaster walls are covered with wallpapers. First time home buyer mistake, our first project is to remove the wallpaper and paint ...
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What is the role of re-enforcing mesh in plastering, when is it required, and which mesh types are prefered?

What is the role of re-enforcing mesh in plastering? Keep in mind, I'm not talking about the lathe, which is shown in this image. I'm talking about the mesh, shown in this image. When is a re-...
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How to keep Structolite from cracking as it dries

I have a house that was built in 1901 and needs a lot of plaster work. I've tried both Structolite and Gypsolite as a base coat over bare brick. Both of them crack as they dry, less than an hour after ...
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During what construction era was plaster installed over metal lath?

My home dates to the 1890s. It has clearly been through many renovations over the years before I owned it. The walls in my living room have defied all stud finders: normal ones find nothing, magnetic ...
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Exposed lath and keys on entire ceiling

We bought a house built in 1846. In one room, the ceiling has suffered immensely from a previous, serious roof leak. In said room, almost all the plaster skim coats over the lath and keys are missing, ...
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Securing French cleats to drywall over lath and plaster with structural screws

I'd like to build a French cleat storage system on an exterior wall in my basement shop, but am concerned about whether the cleats will have sufficient support given the construction of the wall. The ...
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Can I use hollow wall anchors in a lath and plaster wall?

I have a stable enough lath and plaster wall, which I would like to put a box framed picture on. Usually with a box frame picture on to a plaster board or dry wall, or even a brick or stone wall, I'd ...
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Hanging heavy things on old walls. Running out of options. What would you do

Just moved in to an old victorian home and the wife wants shelves in the mud room. Now I know what you are thinking "Shelves?! Seriously?!", Just hear me out. These are 6 foot shelves with 4 steel ...
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What do you think this odd layer under wall paper may be?

I'm taking down wall paper in my 1920s house. The walls are plaster/lath. At some point, the room seems to have been skim coated, primed, and then wallpapered. The wall paper has come down fairly ...
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What is my wall made of and how should I hang a 50lb mirror?

I plan to hang a mirror weighing 50lb on the wall. What type of anchors should I use? I think my wall is plaster over drywall, but I'm not sure. The house was built in the US in 1952, and the surface ...
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How to patch a wood lath plaster rounded corner?

I am attempting to repair a rounded plaster corner. (Image below). The plaster was blown out during an electrical re-wire for the bathroom switch pictured. I’m assuming the wire corner bead runs ...
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2 answers
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How to anchor coat hooks and shelving in a rock-lath & plaster wall?

I've purchased an older home from an era when they used rock lath and plaster for the walls. I had never heard of this kind of construction, though I've done plenty of electrical wiring in older homes ...
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1 vote
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What methods for installing light fixture in middle of room, with lathe and plaster ceiling?

What options are there for running electrical to the middle of a lathe and plaster ceiling? My room is about 9' by 9' with a slab floor. The joists run east-west, and the lathe runs north-south. ...
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Repair Small Holes In Brown Coat & Plaster

Removing nails from a plaster wall results in much of the surrounding plaster cracking and falling away. The brown coat under the plaster is a sand aggregate that also starts to crumble easily since ...
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Cut plaster hole, without hole saw, options?

I need to cut one 6" hole for a can light into a plaster ceiling and don't want to spend the money on a hole saw. What are my best options?
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What metal is along the top of a plaster wall in a 1930s house?

I have a house built in the 1930s with lath and plaster walls. I was planning to install a hook, so I needed to find a stud. My normal stud finder didn't work (as expected), so I used some rare earth ...
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How to deal with lath and plaster over top plate of partition wall?

I'm renovating a bathroom, and there was lath and plaster on one wall and in the ceiling, which I have ripped out. The problem is that the room was not originally a bathroom, but a bigger room that ...
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How can I effectively replace sections of 7/8" plaster with drywall?

We had to take down several large sections, about 6x4ft sections, in order to run updated electric. The problem is that the 3 layer plaster is 7/8in thick. What is my best solution to put up new even ...
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Fixing up a 1920 Rowhouse - second floor ceiling insulation

So - I thinking of pulling the whole plaster and lath ceiling down in a second floor bedroom and putting up drywall and thought might be a good opportunity to insulate between the roof and the ceiling....
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Broke plaster anchoring electrical box

I put a little too much pressure on my electrical box when tightening down a new switch. It was previously anchored by what I believe was overhanging tabs on both the top and bottom of the plaster, ...
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Repairing lath & plaster wall- structural elements

I'm repairing/replacing a lath & plaster external wall in a tenement flat. It has been very badly mould damaged by long term damp, the source of which has now been fixed. The plaster was in very ...
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What can I use to fix a gap between the light fixture and the ceiling?

It's a very old house that the ceiling is made out of lath and plaster so it would be too much work to dig a hole to put in a large junction box for the wires. They won't fit in the base of the light ...
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Found Lath and Plaster wall under remodel drywall. Is it restorable?

I'm currently in the process of restoring my 1906 home's bathroom. At some point in the last 10-15 years the bathroom was given a cheap remodel. New plumbing and outlets were run and drywall was hung ...
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Merge walls of different thickness on same vertical without notice

Picture a plaster wall. Now imagine that a significant section has been removed of it and now needs replaced. Ive tried to replace the plaster with 1/2 inch only to realize the wodth difference im ...
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2 votes
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Repairing small damage to outside corners. Plaster walls.

I'm thinking of using bondo. Is there a less-complex way to do it. I'm concerned that regular plaster material will fall off.
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What is this thin metal wire in wall of 50s home?

What is the purpose of this thin metal wire? It attaches to a nailhead on the other stud, which is securing an electrical box. Is this a grounding wire or something else?
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How to fix a stripped hole in a plaster wall?

I hired a "professional" painting crew to paint the stairs area, where the crew installed new brackets for the handrail. Unfortunately I did not supervise the work myself. I recently noticed that I ...
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How should I go about insulating a 1920's stucco house in LA?

I own a two story, 3200 Sq ft house in Los Angeles. The exterior is stucco and the walls are lathe and plaster. A year ago we had some water damage after a rain storm. When the contractor demo'd ...
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Repair damaged plaster behind door trim

I have begun pulling off the original trim in my 1920s townhouse. The plan is to strip away the 100 years of paint to reveal some of the detail. The plaster behind the trim is in pretty bad shape. Do ...
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Attach partition wall to lath and plaster wall

I am looking to add a small closet (2×4 ft) in the corner of a room with lath and plaster walls. I would like to frame in two sides and attach it to the existing wall. Do I have to limit myself to the ...
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