Plaster Magic patching plaster for filling to the lath
When a hole in old plaster goes all the way down to the lath, you need a patching plaster built to fill that depth. Big Wally’s Plaster Magic Patching Plaster is a dry, pre-mixed formula. You just add water. It’s made to infill plaster over wood lath, wire lath, rock lath, and beaver board.
It’s clean and green, made with pure natural ingredients and no added fillers or foreign matter. So you’re packing real plaster back into the wall, not a synthetic filler.
Coverage and sizes
- 1 gallon fills approximately 250 square inches
- 2 gallons fill approximately 500 square inches
- Pre-mixed dry formula, just add water
- Made by Big Wally’s
Frequently asked questions
What is the best way to patch a deep hole in old plaster?
Use a patching plaster built to fill all the way down to the lath. Big Wally’s Plaster Magic Patching Plaster is made to infill plaster over wood lath, wire lath, rock lath, and beaver board, so you pack real plaster back into the wall instead of a shallow surface filler.
How do you use Plaster Magic Patching Plaster?
It is a dry, pre-mixed formula. You just add water. It is designed for filling holes that go all the way to the lath, over wood, wire, rock lath, and beaver board.
What does Plaster Magic Patching Plaster contain?
Pure, natural ingredients with no added fillers or foreign matter. It is clean and green, so you are packing real plaster back into the wall, not a synthetic filler.
How much area does Plaster Magic Patching Plaster cover?
1 gallon fills approximately 250 square inches, and 2 gallons fill approximately 500 square inches.
Repairing old plaster? These guides from The Craftsman Blog show you how to fix cracks, sags, and holes without tearing it out.
Related tutorials
From The Craftsman Blog
How To: Patch Plaster
When chunks of plaster are missing — courtesy of the plumber or electrician — you need to fill the gap, not replace the wall. Scott shows the simple patch. Patching plaster is what builds the surface back.

