SECTION 096340
STONE FLOORING
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PART 1
1.1
1.2
GENERAL
SUMMARY
A.
Section Includes:
1.
Cut stone floor [and base] finishes.
B.
Related Sections:
1.
Division 01: Administrative, procedural, and temporary work requirements.
2.
Section 079200 - Joint Sealers.
C.
Allowances:
1.
Include a unit cost allowance of $[____] per square foot for stone flooring.
2.
Installation is [included in amount of allowance.] [not included in amount of allowance, and is to
be included in Contract Sum.]
REFERENCES
A.
American National Standards Institute (ANSI):
1.
A108/A118/A136.1 - American National Standard for Installation of Ceramic Tile.
2.
A137.1 - Specifications for Ceramic Tile.
B.
ASTM International (ASTM):
1.
A82/A82M - Standard Specification for Steel Wire, Plain, for Concrete Reinforcement.
2.
A185/A185M - Standard Specification for Welded Steel Wire Reinforcement, Plain, for
Concrete.
3.
C97 - Standard Test Method for Absorption and Bulk Specific Gravity of Dimension Stone.
4.
C99 - Standard Test Method for Modulus of Rupture of Dimension Stone.
5.
C119 - Standard Definitions of Terms Relating to Natural Building Stones.
6.
C144 - Standard Specification for Aggregate for Masonry Mortar.
7.
C150 - Standard Specification for Portland Cement.
8.
C207 - Standard Specification for Hydrated Lime for Masonry Purposes.
9.
C241 - Standard Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic.
10. C503 - Standard Specification for Exterior Marble Building Stone.
11. C615 - Standard Specification for Granite Building Stone.
12. C629 - Standard Specification for Slate Building Stone.
13. C880 - Standard Test Method for Flexural Strength of Dimension Stone.
14. C1028 - Standard Test Method for Static Coefficient of Friction of Ceramic Tile and Other Like
Surfaces by the Horizontal Dynamometer Pull-Meter Method.
15. D226 - Standard Specification for Asphalt Saturated Organic Felt Used in Roofing and
Waterproofing.
16. D227 - Standard Specification for Coal-Tar Saturated Organic Felt Used in Roofing and
Waterproofing.
© 2016, SpexPlus, Inc.
1Q 2016
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Stone Flooring
17.
18.
C.
1.3
1.4
1.5
1.6
A.
Submittals for Review:
1.
Samples:
a.
Stone: [12 x 12] [__ x __] inch samples showing color and finish.
b.
Grout: [1/2 x 1/2 x 3] [__ x __ x __] inch long samples [showing available colors.] [in each
color.]
B.
Sustainable Design Submittals:
1.
Materials Reuse.
2.
Regional Materials.
3.
Low-Emitting Materials.
QUALITY ASSURANCE
A.
Installer Qualifications: Minimum [__] years [documented] experience in work of this Section.
B.
Dynamic Static Coefficient of Friction: Minimum [0.42,] [__,] tested in accordance with ANSI A137.1
using BOT-3000 tribometer.
C.
Mockup:
1.
Size: [4 x 8] [__ x __] feet.
2.
Show: Stone sizes, orientation, color range, surface finish, and joint profile.
3.
Locate [where directed.] [____.]
4.
Approved mockup may [not] remain as part of the Work.
DELIVERY, STORAGE AND HANDLING
A.
Stack stone stored outdoors on wood supports minimum [4] [__] inches above ground. Provide
polyethylene or other suitable film between stone and wood and as protective covering.
B.
Deliver mortar and grout containers bearing hallmark certifying compliance with reference standards.
PROJECT CONDITIONS
Environmental Requirements: Maintain minimum ambient temperature of [50] [__] degrees F during
and after installation.
MAINTENANCE
A.
PART 2
2.1
Tile Council of America (TCA) - Handbook for Ceramic, Glass and Stone Tile Installation.
SUBMITTALS
A.
1.7
D4263 - Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method.
D4397 - Standard Specification for Polyethylene Sheeting for Construction, Industrial and
Agricultural Applications.
Extra Materials: [[2] [__] percent] [[__] square feet] of each stone.
PRODUCTS
MANUFACTURERS
A.
Acceptable Suppliers - Stone:
1.
American Slate Co. (www.americanslate.com)
2.
Buechel Stone Corp. (www.buechelstone.com)
3.
Camara Slate Products, Inc. (www.camaraslate.com)
4.
Cold Springs Granite Co. (www.coldspringsgranite.com)
5.
Fletcher Granite Co., Inc. (www.fletchergranite.com)
6.
Rolling Rock Building Stone, Inc. (www.rollrock.com)
Stone Flooring
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© 2016, SpexPlus, Inc.
1Q 2016
7.
8.
9.
10.
2.2
Structural Slate Co. (www.structuralslate.com)
[____].
[____].
[____].
B.
Acceptable Manufacturers - Setting and Grouting Materials:
1.
BASF Corporation. (www.buildingsystems.basf.com)
2.
Bostik, Inc. (www.bostik-us.com)
3.
Laticrete International, Inc. (www.laticrete.com)
4.
Mapei Corporation. (www.mapei.us)
5.
TEC. (www.tecspecialty.com)
6.
[____].
7.
[____].
8.
[____].
C.
Substitutions: [Under provisions of Division 01.] [Not permitted.]
MATERIALS
A.
Stone Flooring:
1.
Type: Limestone, ASTM C568, Classification [II.] [__.]
**** OR ****
2.
Type: Granite, ASTM C615.
**** OR ****
3.
Type: Marble, ASTM C503.
**** OR ****
4.
Type: Slate, ASTM C629, Class [I - Exterior.] [II - Interior.]
**** OR ****
5.
6.
7.
8.
Source: [____].
Finish: [Polished.] [Honed.] [Thermal.] [____.]
Characteristics:
a.
Water absorption: [__] percent, tested to ASTM C97.
b.
Specific gravity: [__], tested to ASTM C97.
c.
Density: [__], tested to ASTM C97.
d.
Modulus of rupture: [__], tested to ASTM C99.
e.
Compressive strength: [__], tested to ASTM C170.
f.
Abrasion resistance: [__], tested to ASTM C241.
g.
Flexural strength: [__], tested to ASTM C880.
Free from cracks, seams, and starts that could impair its structural integrity or function. Inherent
variations characteristic to quarry from which it is obtained are acceptable.
**** OR ****
B.
2.3
Stone Flooring: To be selected under an allowance.
ACCESSORIES
A.
Latex-Portland Cement Mortar: ANSI A118.4, polymer modified dry set type.
B.
Dry Set Portland Cement Mortar: ANSI A118.1, polymer modified dry set type.
© 2016, SpexPlus, Inc.
1Q 2016
096340-3
Stone Flooring
C.
Portland Cement: ASTM C150, Type [1,] [__,] [white] [gray] [____] color.
D.
Sand: ASTM C144, clean, free of organic matter.
E.
Lime: ASTM C207, Type S, hydrated.
F.
Water: Clean, potable.
G.
Grout:
1.
ANSI [A118.6, polymer modified type, [sanded.] [unsanded.]] [A118.3, epoxy type.] [A118.7,
high performance polymer modified type, [sanded.] [unsanded.]]
2.
Color: [____.] [To be selected from manufacturer's full color range.]
H.
Joint Sealers: Specified in Section 079200.
I.
Waterproof Membrane:
1.
Type: Single component, cold liquid applied, load bearing, with fabric reinforcing.
2.
Source: [____] by [____] or approved substitute.
J.
Crack Suppression Membrane:
1.
Type: ANSI A118.12, load bearing, [single component, cold liquid applied type [with reinforcing
fabric],] [reinforced self-adhering sheet type,] [Standard] [High] Performance Class.
2.
Source: [____] by [____] or approved substitute.
K.
Sound Control Underlayment:
1.
Type: Liquid applied, load bearing, shock and vibration resistant.
2.
Source: [____] by [____] or approved substitute.
L.
Cleavage Membrane: ASTM D4397, [6] [__] mil black polyethylene film; ASTM D226, No. 15 nonperforated asphalt saturated felt; or ASTM D227, No. 15 non-perforated coal tar saturated felt.
M.
Reinforcing: ASTM A82/A82M or ASTM A185/A185M, [2 x 2] [__ x __] inches, [16] [__] gage, welded
wire mesh, hot dip galvanized.
N.
Cleaner: [[____] by [____] or approved substitute.] [Type recommended by stone supplier.]
O.
Sealer: [[____] by [____] or approved substitute.] [Type recommended by stone supplier.]
PART 3
3.1
3.2
EXECUTION
PREPARATION
A.
Clean surfaces to remove loose and foreign matter that could impair adhesion.
B.
Remove ridges and projections. Fill voids and depressions with patching compound compatible with
setting materials.
C.
Allowable Substrate Tolerances:
1.
Thin set method:
a.
Maximum variation in substrate surface: [1/8] [__] inch in 8 feet.
b.
Maximum height of abrupt irregularities: [1/32] [__] inch.
2.
Thick set method: Maximum [1/4] [__] inch in 10 feet variation in substrate surface.
D.
Test concrete substrate to ASTM D4263; do not install tile until surfaces are sufficiently dry.
INSTALLATION
A.
Install [crack suppression membrane] [waterproof membrane] [sound control underlayment] in
accordance with manufacturer’s instructions.
Stone Flooring
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© 2016, SpexPlus, Inc.
1Q 2016
3.3
3.4
B.
Install flooring in accordance with ANSI [A108.1B, thick set with [reinforced] mortar bed and latexPortland cement mortar [over cleavage membrane].] [A108.5, thin set with latex-Portland cement
mortar.] [A108.6, thin set with epoxy adhesive.]
C.
Minimize pieces less than one half size. Locate cuts to be inconspicuous.
D.
Lay flooring to pattern [shown on Drawings.] [furnished by Architect.] Do not interrupt flooring pattern
through openings.
E.
Joint Width: [1/16] [1/8] [__] inch, plus or minus [1/16] [__] inch.
F.
Make joints watertight, without voids, cracks, excess mortar, or excess grout. [Align joints in wall and
floor of same-sized stone.]
G.
Fit flooring around projections and at perimeter. Smooth and clean cut edges. Ensure that trim will
completely cover cut edges.
H.
Allow flooring to set for a minimum of [48] [__] hours before grouting.
I.
Grout flooring joints in accordance with ANSI A108.10 without excess grout.
J.
Control Joints:
1.
Provide control joints at:
a.
Changes in backup material.
b.
Changes in plane.
c.
Over joints in substrate.
d.
Maximum [24] [32] [__] feet on center at interior locations except maximum [8] [12] [__]
feet at surfaces exposed to direct sunlight.
e.
Maximum [16] [__] feet on center at exterior locations.
2.
Form joints per TCA Method EJ-171.
3.
Install joint backing and joint sealer as specified in Section 079200.
CLEANING
A.
Protect adjacent and underlying surfaces.
B.
Apply masonry cleaner in accordance with manufacturer's instructions.
C.
Thoroughly rinse surfaces with clean water after completion of cleaning; remove all traces of cleaning
solution.
SEALING
A.
3.5
After stone has dried, apply sealer in accordance with manufacturer’s instruction.
PROTECTION
A.
Provide protection for completed work using nonstaining sheet coverings.
B.
Prohibit traffic on floors for minimum [3] [__] days after installation.
END OF SECTION
© 2016, SpexPlus, Inc.
1Q 2016
096340-5
Stone Flooring