Stone Veneer Installation Instructions
Step by step stone veneer instructions, along with our stones lightweight
composition, makes for simple installation. Begin with a
structurally sound, unpainted, unsealed, untreated, clean surface.
with any technical questions.
Applying Stone Veneer To ExistingInterior Use: Cover area with 2.5 galvanized wire lath,
nailed horizontally with 1” & 3” galvanized nails across
wall every 6” on center into the studs. The
diamonds in the lath form a pocket to retain the mortar mix.
Smooth side down, rough side up. Make sure lath is flat against
the wall. Trim excess lath with wire snips. Now, see “Scratch
Exterior Use: Refer to “APPLYING THE STONES.” Cover substrate
with 15 # felt paper, then attach 2.5 galvanized wire lath
(or use paperbacked 2.5 galvanized wire lath, (WATER PENETRATION
TO SUBSTRATE CAN CAUSE DAMAGE) overlap- ping 2” on horizontal
joints, 6” on vertical joints. Repeat exact procedures in
step (a. Interior Use) now, see “Scratch Coat.” This stone
should not be assumed to add strength to load bearing capacity.
This veneer is for aesthetic purposes. Stone should
be installed a minimum of 4” above finished grade. Stone should
not be used in below-water applications such as swimming pool
liners or in areas vulnerable to slush formed by salt or chemicals
used to melt ice or snow. We do not recommend our stone for
flooring or driveway uses.
Applying Stone Veneer To Masonry
Stone may be applied directly to a clean masonry wall.
Painted or sealed surfaces must first be cleaned by sand
blasting to form an adhesion for the mortar mix, or by attaching
metal lath with 1” masonry nails, then repeating steps in
(a. Interior Use) prior to installing stone. Now, see “Scratch
Applying Stone Veneer To Metal Studs
Stone may be applied to metal studs of 18 gauge minimum.
Repeat exact procedures in steps (a. Interior Use) and (b.
Exterior Use) installing 15 # felt paper (or paper backed
2.5 galvanized lath) and 2.5 galvanized lath with # 8 self-tapping
metal screws. Make sure screws penetrate the studs no less
than 1/4”. Now, see “Scratch Coat.”
Mixing/Applying “Scratch Coat”
Mix one bag Portland Type 1, Type S or Type N mortar add
sand per manufacturers instructions. (Average 3 bags mortar
mix per pallet of stone.) Add water, blending to a creamy
paste-like consistency, yielding enough to install a minimum
of 90 feet of stone. All tightly secured wire lath should
be completely covered by using a stainless steel trowel
with 1/2” – 3/4” thickness of mortar mix. Once cured, the
rigid backing ensures bondage of the stone veneer of your
Applying The Stones
Apply stone to a workable area so mortar does not set up
before the stoneis applied. If you are using corner stones,
these stones should always be applied first. Remaining stones
are applied bottom up, or top down. In hot/dry weather, spray
a fine mist of clean water on to the back of the stone to
prevent water absorption from the mortar mix. In cold weather,
temperatures should be 40 and rising. Trowel a thin layer
of mortar mix on to the back of the
stone. Position and embed the stone on to the surface in a
tight uniform pattern. For a natural look, joints should not
exceed 1” in width. Press the stone firmly, wiggling it to
ensure bondage. Proper embedding will force the mortar mix
to squeeze out around the edges. A correct consistency of
the mortar mix will allow the stone to stay in place while
the mortar mix cures. Wipe wet mortar mix from the stone front
with a wet sponge.
Grouting Compound/Fill Joints Use 1 bag of masonry mix
and sand per manufacturers instructions. Color can be added
to the grout with iron oxide pigments if desired. Fill grout
bag with approximately 2 quarts of paste. Squeeze paste
and fill all joint areas between stones. Do not allow paste
to dry. Wipe with wet sponge. Never use acid, a wire brush
or pressure washer, to clean stone veneer. Stone can be
cleaned with granulated soap/detergent. Rinse thoroughly.
As mortar joints cure and become firm, use a wooden or metal
striking tool to remove excess mortar and level the grout
in the joints. Fill in holes, gaps and openings.
Sealing stone is optional and usually unnecessary. Sealing
the stone will darken the stone color and add a gloss. You
can test the color by applying water to the stone to give
you a view of what sealing your stone may look like. Sealing
can be accomplished with masonry sealer. Allow stone veneer
wall to cure, then, follow masonry sealer manufacturers’ instructions.
is made in the U.S.A.
Read and understand all the installation instructions
before you begin!
Friendly Installation Instructions