Quartz Wall Finishes – Thin Set

SECTION 09 75 03

PART 1 – GENERAL

1.1 SUMMARY

A. Section Includes:
1. Quartz interior wall finishes.
2. Setting materials and accessories.

B. Related Sections:
1. Division 01: Administrative, procedural, and temporary work requirements.
2. Section [__ __ __ – _______] – Cementitious backer unit substrate.
3. Section [__ __ __ – _______] – Gypsum board substrate.

1.2 REFERENCES

A. American National Standards Institute (ANSI):
1. A108.4 – Installation of Ceramic Tile with Organic Adhesives or Water Cleanable Tile Setting Epoxy Adhesive.
2. A108.5 – Installation of Ceramic Tile with Dry-Set Portland Cement Mortar or Latex Portland Cement Mortar.
3. A108.10 – Installation of Grout in Tilework.
4. A118.3 – Chemical Resistant, Water Cleanable, Tile Setting and Grouting Epoxy and Water Cleanable Tile Setting Epoxy Adhesive.
5. A118.4 – Latex-Portland Cement Mortar.
6. A118.6 – Ceramic Tile Grouts.

B. ASTM International (ASTM:
1. C97 – Standard Test Methods for Absorption and Bulk Specific Gravity of Dimension Stone.
2. C99 – Standard Test Method for Modulus of Rupture of Dimension Stone.
3. C170 – Standard Test Method for Compressive Strength of Dimension Stone.
4. C241 – Standard Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic.
5. C482 – Standard Test Method for Bond Strength of Ceramic Tile to Portland Cement.
6. C484 – Standard Test Method for Thermal Shock Resistance of Glazed Ceramic Tile.
7. C531 – Standard Test Method for Linear Shrinkage and Coefficient of Thermal Expansion of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes.
8. C648 – Standard Test Method for Breaking Strength of Ceramic Tile.
9. C650 – Standard Test Method for Resistance of Ceramic Tile to Chemical Substances.
10. C672/C672M – Standard Test Method for Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals.
11. C880 – Standard Test Method for Flexural Strength of Dimension Stone.
12. C1026 – Standard Test Method for Measuring the Resistance of Ceramic Tile to Freeze-Thaw Cycling.
13. C1028 – Standard Test Method for Determining the Static Coefficient of Friction of Ceramic Tile and Other Like Surfaces by the Horizontal Dynamometer Pull-Meter Method.
14. E84 – Standard Test Method for Surface Burning Characteristics of Building Materials.

1.3 SUBMITTALS
A. Samples:
1. [3 x 3] [__ x __] inch quartz samples [in specified color.] [showing available colors.] 2. [3/8 x 3/8 x 3] [__ x __ x __] inch grout samples [in specified color.] [showing available colors.] 3. [3] [__] inch long joint sealer samples [in specified color.] [showing available colors.]

B. Closeout Submittals:
1. Maintenance Data: Include recommended cleaning materials and procedures, and list of materials detrimental to quartz.

1.4 QUALITY ASSURANCE

A. Fabricator and Installer Qualifications: Minimum [2] [__] years [documented] experience in work of this Section.

B. Mockup:
1. Construct wall finish mockup, [6] [__] feet wide x [6] [__] feet high.
2. Locate [where directed.] [____.] 3. Approved mockup may remain as part of the Work.

1.5 WARRANTY

A. Provide manufacturer’s 10 year warranty against defects in materials and workmanship.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Contract Documents are based on products by Cosentino USA, Inc.

B. Substitutions: [Under provisions of Division 01.] [Not permitted.]

2.2 MATERIALS – QUARTZ

A. Quartz Sheet:
1. Product: Silestone.
2. Composition: Quartz aggregate, resin, and color pigments formed into flat slabs.
3. Anti-microbial protection: Microban by Microban International, Inc., integral to sheet.
4. Color: [____.] [To be selected from manufacturer’s full color range.] 5. Physical characteristics:
a. Static coefficient of friction: 1.02 dry, 0.51 wet, tested to ASTM C1028.
b. Water absorption: Maximum 0.03 percent, tested to ASTM C97.
c. Compressive strength: Minimum 29,000 psi, tested to ASTM C170.
d. Bond strength: Minimum 210 psi, tested to ASTM C482.
e. Modulus of rupture: Minimum 6300 psi, tested to ASTM C99.
f. Flexural strength: Minimum 5800 psi, tested to ASTM C880.
g. Breaking strength: Minimum 480 lbf, tested to ASTM C648.
h. Stain resistance: Not affected by 10 percent hydrochloric acid or 10 percent KOH, tested to ASTM C650.
i. Thermal shock resistance: Pass 5 cycles, tested to ASTM C484.
j. Abrasive index: 65-Ha = 25, tested to ASTM C241.
k. Thermal expansion: 1.670 x 10-5 in/in/deg F, tested to ASTM C531.
l. Deicing resistance: Rating of 0, tested to ASTM C672/C672M.
m. Freeze/thaw resistance: 0 tiles at 15 cycles, tested to ASTM C1026.
n. Flame spread rating: Class 1, tested to ASTM E84.

2.3 MATERIALS – MORTAR

A. Latex-Portland Cement Mortar: 272 Premium Floor N’ Wall Thin-Set Mortar mixed with 333 Super Flexible Additive by Laticrete International, Inc.

**** OR ****

B. Latex-Portland Cement Mortar: 254 Platinum Multipurpose Thin-Set Mortar by Laticrete International, Inc.

**** OR ****

C. Latex-Portland Cement Mortar: ANSI A118.4.

**** OR ****

D. Epoxy Mortar: Latapoxy 310 Stone Adhesive by Laticrete International, Inc.

**** OR ****

E. Epoxy Mortar: ANSI A118.3.

2.4 MATERIALS – GROUT

A. Grout:
1. 1500 Series Tri-Poly Fortified [Sanded] [Unsanded] Grout mixed with 1776 Grout Admix Plus by Laticrete International, Inc.
2. Color: [_____.] [To be selected from manufacturer’s full color range.]

**** OR ****

B. Grout:
1. ANSI A118.6, [sanded.] [unsanded.] 2. Color: [_____.] [To be selected from manufacturer’s full color range.]

2.5 ACCESSORIES

A. Joint Sealer:
1. Latisil Tile and Stone Sealant by Laticrete International, Inc.
2. Color: [_____.] [To be selected from manufacturer’s full color range.]

2.6 FABRICATION

A. Cut panels accurately to required shapes and dimensions.

B. Fabricate with [3/8] [__] inch joints.

C. Cut flooring to fit at perimeter and around penetrations with maximum [1/4] [__] inch gaps.

PART 3 – EXECUTION

3.1 PREPARATION

A. Clean surfaces to receive panels; remove loose and foreign matter than could interfere with adhesion.

B. Remove ridges and projections. Fill voids and depressions with patching compound compatible with setting materials.

C. Allowable Substrate Tolerances:
1. Maximum variation in substrate surface: 1/8 inch in 8 feet.
2. Maximum height of abrupt irregularities: 1/32 inch.

3.2 INSTALLATION

A. Install panels in accordance with manufacturer’s instructions.

B. Set in [thin set mortar bed in accordance with ANSI A 108.5.] [epoxy mortar by spot application method in accordance with ANSI A108.4.]

C. Install with [hairline] [[3/8] [__]] inch joints.

D. Allow mortar to set for a minimum of 24 hours.

E. Grout joints in accordance with ANSI A108.10; finish smooth and flush.

**** OR ****

F. Apply joint sealer to joints; finish smooth and flush.

G. Provide control joints at changes in plane, changes in backup material, at joints between panels and adjacent construction, over joints in substrate, and at maximum [__] feet on center. Fill with joint sealer; finish flush and smooth.

3.3 INSTALLATION TOLERANCES

A. Maximum variation from level and plumb: 1/4 inch in 10 feet, noncumulative.

B. Maximum variation in plane between adjacent pieces at joint: Plus or minus 1/16 inch.

C. Maximum variation in joint width: Plus or minus 1/16 inch.

3.4 CLEANING

A. Clean panels in accordance with manufacturer’s instructions.