How to Install Stone Veneer Indoors

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Things You'll Need

  • Stud finder

  • Pencil

  • 3/8-inch cement board

  • 1 1/4-inch wood screws

  • Screwdriver

  • Type S mortar mix

  • Water

  • Mixing tub

  • Large notched trowel

  • Stone veneer

  • Rubber mallet

  • Grout bag

Re-create the look of natural stone walls in your home.

Stone veneer is a thin material used to simulate the appearance of natural stone walls. These veneers are available as single stones or in panels that appear to be several stones grouped together for quick installation. Stone veneer is much lighter than natural stone and usually costs less and is easier to install as well. You can install stone veneer on your interior walls provided you add a layer of cement board to the walls to create a durable base for the veneer.


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Step 1

Slide the stud finder across the wall and mark the studs with a pencil. Studs are generally spaced 16 inches apart, measuring from the center of one stud to the next.

Step 2

Attach 3/8-inch cement board to the walls with 1 1/4-inch wood screws, driving the screws through the cement board and into the studs with a screwdriver. Space the screws approximately 8 inches apart along the length of the studs.

Step 3

Mix Type S mortar with water in a mixing tub according to the directions on the packaging. Generally a 40-lb. package of Type S mortar calls for 2.6 qts. of water, but follow the directions for the specific brand of Type S mortar you are using.


Step 4

Spread a layer of the Type S mortar approximately 1/8 inch to 1/4 inch thick onto the cement board with a large trowel. Drag the notched end of the trowel through the mortar to create lines on the surface of the mortar.

Step 5

Press the stone veneer into the mortar and tap the veneer gently with a rubber mallet to set the veneer firmly into place. Continue to set the veneer until the entire area is covered. Let the mortar set for 24 hours.

Step 6

Mix additional Type S mortar and scoop the mortar into a grout bag. Apply the grout into any spaces between the stones where the mortar appears thin or gaps are visible.


If the cement board you are using has a smooth side and a rough side with a grid, face the smooth side toward the wall.

A mixing tub is a large plastic basin used to mix mortar or grout. These are available at home improvement stores.

Grout bags resemble pastry bags used to decorate cake. These bags are used to pipe grout or mortar between tiles or stones.