Cultured Stone - A Division of Owens Corning
• Keystones - 4 types
• Pavers - 1 type
1. Product Name
• Cultured Stoneª
• Cultured Brickª
• Architectural Trim
• Terra Craftª
2. Manufacturer
Cultured Stone A Division of Owens Corning
P.O. Box 270
Napa, CA 94559-0270
(800) 255-1727
(707) 255-1727
Fax: (707) 255-5572
3. Product Description
Cultured Stoneª products are intended for interior or exterior nonstructural use as a lightweight veneer facing on masonry, metal
framed, or wood framed construction for
architectural aesthetics. Products are created
by master craftsmen who select the best textures, sizes and shapes from natural stones.
These products are suitable for use on residential and commercial projects of many
types. Cultured Stone products are produced
in preselected sizes and shapes. No additional foundation or structural support is required.
Installation is quick and easy, and costs far less
than a full thickness natural stone wall.
Cultured Stone products are cast in molds
using a unique process that replicates existing
colors and textures with meticulous detail.
Each color and texture has its own blend of
ingredients, including Portland cement, lightweight aggregates and iron oxide pigments,
producing the look and feel of natural stone.
• Stone veneer - 77 types
• Brick veneer - 5 types
• Hearthstones - 12 types
• Quoins - 1 type
• Capstones - 16 types
• Watertable/Sill - 4 types
Random sizes, shapes and textures of finished
product duplicate natural stones as mold masters. Stone diameter varies from 2" - 30"
(51 - 762 mm). The average thickness of
Cultured Stone wall veneers is 1 3/4" (45 mm).
Thickness may vary from 1" - 3 1/2" (25.4 - 89 mm)
depending on the texture.
Shipping weight is approximately 8 -12 psf (39
- 59 kg/m2).
Cultured Stone Textures
• Blended Textures
• Carolina Ledgestone
• Cobblefieldª
• Coral Stone
• Country Ledgestone
• Dressed Fieldstone
• Driftstone
• Drystack Ledgestone
• European Castle Stone
• Fieldstone
• Limestone
• Old Country Fieldstone
• Pro-Fit Ledgestoneª
• River Rock
• Southern Ledgestone
• Split Face
• Stream Stone
• Water Wash Wall Stone
• Weather Edge Ledgestone
Cultured Brickª Styles
• Used Brick
Terra Craftª
• Water Wash Patio Pavers
Architectural Trim Styles
• Capstones
• Hearthstones
• Keystones & Trim Stones
• Quoins
• Watertables & Sills
See manufacturer’s published literature for
available colors.
Note - Cultured Stone products are durable and
colorfast in interior and exterior applications.
Cultured Stone products should not be
assumed to add to the load bearing
Interior Application
capacity of a wall. Product should not be
used below water level, such as in swimming
pool liners. Chlorine and other chemicals may
discolor the Cultured Stone product and
other masonry materials. Product should not
be used in areas vulnerable to slush formed
by chemicals used to melt ice or snow. Install
a minimum of 4" (102 mm) above grade.
Hearthstones are not recommended or warranted for exterior use or as a surface area
subject to foot traffic. Terra Craftª pavers are
available for patios, walkways and driveways.
4. Technical Data
ASTM International
• ASTM C67 Standard Test Methods for
Sampling and Testing Brick and Structural
Clay Tile
• ASTM C91 Standard Specification for
Masonry Cement
• ASTM C150 Standard Specification for Portland Cement
• ASTM C177 Standard Test Method for
Steady-State Heat Flux Measurements and
Thermal Transmission Properties by Means
of the Guarded-Hot-Plate Apparatus
• ASTM C207 Standard Specification for
Hydrated Lime for Masonry Purposes
SPEC-DATA TM and MANU-SPEC TM are registered trademarks of Reed Elsevier Inc. The ten part SPEC-DATA format conforms to the editorial style
of The Construction Specifications Institute and is used with their permission. The manufacturer is responsible for technical accuracy. ©2004 Reed Construction Data. All Rights Reserved.
Cultured Stone - A Division of Owens Corning
Texas Department of Insurance Product
Evaluation EC-21
Building Materials Evaluation Commission
BMEC #01-04-256
Test reports and product data are available
upon request.
• UL File #R7704 for Mineral Composition Units
• Flamespread, 0
• Smoke developed, 0
Exterior Application
• ASTM C270 Standard Specification for
Mortar for Unit Masonry
• ASTM C482 Standard Test Method for Bond
Strength of Ceramic Tile to Portland
• ASTM C567 Standard Test Method for Unit
Weight of Structural Lightweight Concrete
Uniform Building Code
• UBC Standard 32-12 for Water Absorption
• UBC Standard 14-1 Kraft Waterproof Building
• UBC Standard 26-10 Parts I and IV; Test
Method for Compressive Strength of
Cylindrical Concrete Specimens
Building Officials and Code Administrators
International (BOCA)
City of Los Angeles, California - Research
Report RR23744
International Conference of Building Officials
National Evaluation Service, Inc. - National
Evaluation Report NER-358 - Cultured Stoneª
and Sacramento Stone«
Southern Building Code Congress International
Underwriters Laboratories, Inc. (UL) listed
U.S. Department of Housing and Urban
Development (HUD) - Materials Release No.
Cultured Stone wall veneers and hearth
stones are made from noncombustible materials. They are listed by Underwriters
Laboratories, Inc. (UL File #MH11019), for use as
floor protectors and wall shields with stoves
and on fireplace hearths. Mortar joints must
not exceed 1/2" (12.7 mm) in width and the
mortar must be even with the top of the
hearth surface.
Exterior Application
5. Installation
Complete installation recommendations are
available from the manufacturer.
ing as mortar will not set up properly under
such conditions. Do not use antifreeze compounds to lower the freezing point of mortar.
Handle and store product according to
Cultured Stone recommendations. Spread out
Cultured Stone products at the jobsite so
there is a good variety of sizes, shapes, and
colors to choose from. Plan some variety and
contrast in the overall design. Use small stones
next to large ones, heavy-textured pieces
next to smooth, and thick stones next to thinner ones. Mixing Cultured Stone products from
different boxes during application will allow a
desirable balance of individual stones on the
finished project. Tinting mortar complements
the color of the stone being installed. For
example, use tan mortar with earth tone
stones. This will greatly enhance the appearance of the finished installation. Regular mortars can be tinted to complement Cultured
Stone products using iron oxide pigments.
Exterior Applications
Make sure that the application of Cultured
Stone products and the structure to which they
are being applied incorporate good building
practices. On exterior applications, the incorrect installation or absence of flashing, cant
strips, gutters and downspouts may result in
diversion of water runoff onto finished surface
areas. Masonry and other building products
subjected to these conditions may develop
staining and, when combined with severe
freeze/thaw conditions, may eventually cause
surface damage. The application of Cultured
Stone products under these conditions is not
Determine the amount of Cultured Stone
product needed by measuring the area to be
covered. Measure the length times the height
to arrive at the square footage of flat stone
needed. Subtract square footage for window
and door openings. Measure the linear feet of
outside corners to determine the amount of
corner pieces needed. One linear foot of corner pieces covers approximately 3/4 of a
square foot of flat area. Subtract the flat area
covered by the linear feet of corner pieces
from the square footage of flat stone
required. Obtain some extra stone to allow for
cutting and trimming.
If stone is being applied in hot or dry weather,
the back of each piece should be moistened
with a fine spray of water or a wet brush to
adequately prevent excessive absorption of
moisture from the mortar. If being installed
over concrete, masonry or scratch coat substrate, the substrate surface area should also
be dampened before applying mortar.
Applications should be protected from freez-
SPEC-DATA TM and MANU-SPEC TM are registered trademarks of Reed Elsevier Inc. The ten part SPEC-DATA format conforms to the editorial style
of The Construction Specifications Institute and is used with their permission. The manufacturer is responsible for technical accuracy. ©2004 Reed Construction Data. All Rights Reserved.
Applying Mortar to Prepared Surface Area
Using a trowel, apply mortar 1/2" - 3/4"
(12.7 - 19.1 mm) thick to prepared surface
area. Do not spread more than a workable
area of 5 - 10 ft2 (0.47 - 0.93 m2) so that mortar
will not set up before stone is applied.
Starting Point
Apply mortar and stone working from the bottom up, or most stones can be applied from
the top down. Working from the top down
may help avoid splashing previously applied
stone with dripping mortar. Ledgestone types
should be installed from the bottom up.
Joint Width
In order to obtain the most natural look, joints
should be as narrow as possible; average
joints should not exceed 1/2" (12.7 mm) in
width. An attractive look can also be
achieved by fitting stones tightly together if
Setting the Stones
Press each stone into the mortar setting bed
firmly enough to squeeze some mortar out
around the stone’s edges. Apply pressure to the
stone to ensure a good bond. Ensure complete
coverage between the mortar bed and back
surface of the stone. Mortar may also be
applied to the entire back of the stone.
Incorporate good building practices. Building
code requirements vary from area to area, so
check with authorities for local requirements.
Carefully read all installation instructions before
proceeding with Cultured Stone products
application. Observe applicable jobsite safety
Current data on building code requirements
and product compliance may be obtained
from Cultured Stone products technical support specialists. Products are tested and listed
by Underwriters Laboratories, Inc. Installation
must comply with the requirements of all
applicable local, state and national code
6. Availability & Cost
Cultured Stone products are available from a
network of authorized masonry suppliers
throughout the United States and Canada.
Distributors are also located in many countries
Cultured Stone - A Division of Owens Corning
These products are priced on a square foot
basis. Jobsite delivered cost will vary depending on distance from the manufacturing plant.
Installation cost may be affected by the type
of substrate and the necessary preparations.
Budget total installed cost information may
be obtained from a local dealer or installer.
7. Warranty
Cultured Stone products are covered for a
period of 50 years from the date of purchase
when used on a structure which conforms to
local building codes and when installed in
accordance with the manufacturer’s instructions. Cultured Stone - A Division of Owens
Corning will repair or provide, free of charge,
new materials to replace any determined to
be defective.
This warranty is limited to the original purchaser and may not be transferred to any subsequent owner. This warranty does not cover
damage resulting from settlement of the building or other wall movement, contact with
chemicals or paint, discoloration due to airborne contaminants, or staining or oxidation.
This warranty covers only manufacturing
defects in Cultured Stone products manufactured by Cultured Stone - A Division of Owens
Corning. Cultured Stone - A Division of Owens
Corning is not responsible for labor costs
incurred in removal and replacement of
defective products. Hearthstones are not warranted for use on the ground or as a surface
area subject to foot traffic.
Terra Craftª products are covered by a separate 5 year Limited Warranty.
Scuffing occurs on all natural stone.
Occasionally, some scuffing will occur on the
surface of Cultured Stone products. Some
scuff marks can be removed by cleaning as
described above.
On rare occasions, efflorescence may occur
on Cultured Stone products. To remove efflorescence, allow the stone to dry thoroughly,
then scrub vigorously with a stiff bristle brush
and clean water. Rinse thoroughly. Do not use
a wire brush. For more difficult efflorescence
problems, scrub thoroughly with a solution of 1
part white household vinegar to 5 parts
water. Rinse thoroughly.
9. Technical Services
A staff of trained technical personnel offers
design assistance and technical support to
architects, engineers, applicators and owners
to discuss type selection, costs, and installation procedures. For technical assistance, contact Cultured Stone - A Division of Owens
10. Filing Systems
• First Source«
• Sweet’s Catalog Files
• Additional product information is available
from the manufacturer upon request.
8. Maintenance
Most applications require no maintenance.
Exterior applications where excessive dust or
dirt accumulates should be washed down
Use a strong solution of granulated soap or
detergent and water with a bristle brush. Do
not use a wire brush as it will cause damage
to the surface. Rinse immediately with fresh
water. Do not attempt to clean using acid or
acid based products. Do not clean with high
pressure power washer.
Salt and De-Icing Chemicals
Do not use de-icing chemicals on areas
immediately adjacent to a Cultured Stone
products application.
SPEC-DATA TM and MANU-SPEC TM are registered trademarks of Reed Elsevier Inc. The ten part SPEC-DATA format conforms to the editorial style
of The Construction Specifications Institute and is used with their permission. The manufacturer is responsible for technical accuracy. ©2004 Reed Construction Data. All Rights Reserved.
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