The screw pulls the lath against the plaster s back side while the washer gives the screwhead a wide clamping surface.
Repair lath plaster ceiling step through attic.
After the first coat sets apply a second coat filling any voids.
While minor repairs can be undertaken by building owners most repairs will require the assistance of a plasterer.
Lath and plaster walls provide a room with better soundproofing as opposed to drywall walls of an ordinary thickness 1 2 inch.
You thread the drywall screw through a plaster washer and then drive it through the plaster and into the ceiling joists wall studs or wood lath.
Follow the same process if you re working on the lath side leaving adhesive wipe up as an optional step.
The only way to add insulation is.
Slip a 2 inch plastic washer over a 1 5 8 inch drywall screw and drive it into the lath through one of the adhesive filled holes.
Soundproof drywall though rivals lath and plaster walls in terms of soundproofing.
To keep the plaster from cracking and to hide the screws set a fiberglass screen into the first coat of plaster.
There is even a system available in the states called big wallys plaster magic or you can see an video that explains the principles here gluing lath and plaster.
Historical background return to top.
Insert a 1 5 8 inch drywall screw through the center of a plaster washer.
Plastering is a skilled craft requiring years of training and special tools.
Adding wire lath over wood lath improves an infill repair.
Small runs are cut through the original plaster at the bottoms of the walls in order to install new wiring and then drywall panels are installed over the plaster.
The screw and washer pull the loose plaster tight against the framing restoring the ceiling.
Use your drill to drive the screw into the sagging plaster a few inches from the edge of any holes you created in step 1.
Use a felt pad to finish the job and smooth out the ceiling.
Plant washers about 8 to 12 inches apart on both sides of the crack.
Lath and plaster walls have a slightly better insulating r value than do drywall wall systems.
To repair plaster a building owner must often enlist the help of a plasterer.
Place the plaster mix on a hawk and trowel it over the damaged areas.