How To Find Ceiling Joists Under Lath And Plaster
One option is to cut out the damaged area and install a 3 8 thick sheet of blue board and plaster.
How to find ceiling joists under lath and plaster. How to find joists in lath and plaster ceiling. How does one find joists in plaster ceilings so that i don t just start cutting through the board plaster and lath only to find out that the joist is there. When you try to find the joists with a detector all you get is the points where the lattes are nailed to the cross batons which is almost everywhere on the ceiling.
Plaster mixed with horsehair or goat hair was then forced onto the lathe forming a key that holds it to the lathe. Most smaller items can be hung pretty securely anywhere on the wall by screwing into the wood lath but for heavy things that weight more than 10 15 lbs like large mirrors and tvs you ll need to learn how to find studs in a plaster wall. It s a terrace so the joists are running transversely so i measured 16 out from a transverse wall and drilled up failed to find it so drilled a fraction of an inch to the side failed and now have 10 of holes in the artex ceiling but still no joist.
A sagging ceiling does not necessarily mean that the plasterwork has broken away from the lath though old houses settle and the ceilings go along for the ride. Work out the centres between the joists by viewing it from the loft could be between 400mm and 600mm from centre to centre then you can find the first joist from below by safely assume that there is a joist alongside the external wall of the room and then measure in the correct width to each joist centre on the ceiling below. Whats people lookup in this blog.
Those old ceilings have latte lathe batons across the joists running at 90 degrees from the joists. Repairing lime plaster ceilings quick tip 1 finding studs in lath plaster walls you plaster ceilings explained lath and or plasterboard super easy wall stud ceiling joist finding trick you. If you own an old house with plaster and lath walls you may have discovered how utterly useless a stud finder can be.
Tapping and listening indicated that the joist was above the first hole. How to find ceiling joists under lath and plaster. Repairing lime plaster ceilings repairing lime plaster ceilings super easy wall stud ceiling joist finding trick you repairing plaster interiors jlc online.
Whats people lookup in this blog. When originally installed wood lathe was nailed to the ceiling joists. So if your ceiling is sagging or sloping it may still be ok.