There are a couple of different methods of installing faux stone veneer.
Installing stone veneer over painted concrete block.
Some masons say that this is an adequate surface for accepting a scratch coat.
Flat natural edge and corner pieces.
A scratch coat will give the mortar something to hold on to instead of the layer of paint over concrete.
Metal lath is an acceptable surface that will allow you to apply veneer to brick first apply corrosion free 18 gauge metal lath to the brick with masonry fasteners.
Mortar cannot be installed directly over painted concrete itself.
You will be affixing the stone veneer to the scratch coat using a stone veneer mortar.
If your substrate is cmu or concrete then you can sandblast it remove the residue and install stone veneer with a polymer modified mortar or thinset.
The application in this article involves attaching the faux stone to the surface with a pre mixed adhesive that s supplied in a kit.
This is the part 2 video of us showing how to apply the stone ledgers under the cantilever ledge to give your walls houses block walls or whatever you want.
The kit includes three types of stone.
Sand or water blast the paint dirt or oils so that you have a raw fresh porous but not crumbling surface.
Call an rcp block brick near you for available products and tips.
First a surface more textured and solid must be applied over the painted concrete.
If the stone veneer is going to cover an installation of brick or concrete it.
This surface is called a scratch coat.
Remove any remaining stain or paint from the wall with a right angle grinder fitted with wire brush.
Below are the steps involved.
The surface to which you are adhering the stone must be clean and free of paint dust or dirt.
One type is screwed directly into the wall.
Cover the lath with a scratch coat of mortar to.
Use a pre blended polymer fortified type s mortar and water known as svm stone veneer mortar.
Installing the stone veneer.
In this video this old house landscape contractor roger cook dresses up a block wall with stone veneer panels.