LATH PLASTER REPAIR INSTALL
LATH PLASTER REPAIR PATCH

It is the smoothing by tooling that makes it flat and smooth.Plaster and lath are a durable form of interior wall finishing that has been used for centuries now. You cannot located the repairs when finished. The classic mixture is barely 10% to 20% plaster of Paris (by weight) to speed setting and the rest Lime Paste. Use sand as the filler in the middle layer. Wood (or metal) lathe to form correct keys. It is an enormous amount of work to force the plaster through If you really want to do 3-coat plaster, use chopped fiberglass Rotate so the leading edge is barely high. Large enough (around 1-1/2 to 2 inches in diameter) to slightly You can sweep it both ways if the handle is Setting compounds harden by chemical reaction, NOT by drying.Ĭoncrete working tools to make a flat and level surface.Ī rectangular steel trowel is the tool of choice. Less water means less shrinkage and cracking as it dries after setting. thick to fill in keys around opening in the plaster. When mixed correctly you should be able to put it on 3/4 in. Mix with as little water as you need to allow working. Use setting type compound (Durabond if you can work it flat, Paint it on, let it dry to tacky, add mud. I dilute Elmer's glue with water and use that as aīonding agent on the drywall surface and any plaster edges.

The old nails are simply not going to hold in dry lath. Screw the lath to joists with drywall screws. Whatever it takes to get close to the exiting thickness of the plaster Paint sheen will make it worse (anything more than flat will flash).įill in with some 1/2 in drywall or a couple layers of 3/8. Fixing divots or nail holes in plaster with mud is one thing, but a large surface area, especially in a decently lit room, will show as a patch. Paster and mud are made of different base materials, have different hardness and much different textures. I’ve been building for 20 years, have been hands on for all trades, have performed every manner of work on new construction, repair, remodel, etc. Honestly, and not a dig on you, but by your questions, any repair that you do yourself will not turn out well.Īs far as DIY goes, you’re better off re-sheeting the entire wall with drywall, mudding in the corners and calling it a day weekend.

LATH PLASTER REPAIR INSTALL

The only real way to repair plaster is to replace the lath or install a different, but correct underlayment grind away the existing plaster back to a solid surface, bevel it to accept the feathering, get your scratch coat on and then get to mixing and matching your top coat.

LATH PLASTER REPAIR PATCH

Do not inlay a drywall patch and mud over it.

Plaster work IS NOT something you can teach yourself in one go on a patch job.ĭo not use MH patch. In all seriousness, even for a skilled plasterer, it is difficult to feather and match new plaster to old, over a large area, especially if they’re differing plaster types or it’s a plaster type no longer used. (If it’s horsehair plaster, it’s gonna be really difficult to match).Ģnd, find a real plasterer, discuss the work you want done and hire them.

Lath plaster repair