Quartz Wall Finishes – Thick Set

SECTION 09 75 04

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. A108.1B – Installation of Ceramic Tile on a Cured Portland Cement Mortar Setting Bed with Dry-Set or Latex Portland Cement Mortar.
2. A108.10 – Installation of Grout in Tilework.
3. A118.4 – Latex-Portland Cement Mortar.
4. 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. C144 – Standard Specification for Aggregate for Masonry Mortar.
4. C150 – Standard Specification for Portland Cement.
5. C170 – Standard Test Method for Compressive Strength of Dimension Stone.
6. C207 – Standard Specification for Hydrated Lime for Masonry Purposes.
7. C241 – Standard Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic.
8. C482 – Standard Test Method for Bond Strength of Ceramic Tile to Portland Cement.
9. C484 – Standard Test Method for Thermal Shock Resistance of Glazed Ceramic Tile.
10. C531 – Standard Test Method for Linear Shrinkage and Coefficient of Thermal Expansion of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes.
11. C648 – Standard Test Method for Breaking Strength of Ceramic Tile.
12. C650 – Standard Test Method for Resistance of Ceramic Tile to Chemical Substances.
13. C672/C672M – Standard Test Method for Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals.
14. C880 – Standard Test Method for Flexural Strength of Dimension Stone.
15. C1026 – Standard Test Method for Measuring the Resistance of Ceramic Tile to Freeze-Thaw Cycling.
16. 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.
17. 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. Portland Cement Mortar: 211 Crete Filler Powder mixed with 4237 Latex-Thin-Set Mortar Additive by Laticrete International, Inc.
**** OR ****

B. Portland Cement Mortar:
1. Cement: ASTM C150, Type 1, white color.
2. Sand: ASTM C144.
3. Lime: ASTM C207, Type S, hydrated.Latex-Portland Cement Mortar: 211 Crete Filler Powder mixed with 4237 Latex-Thin-Set Mortar Additive by Laticrete International, Inc.

**** OR ****

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

**** OR ****

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

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.]

B. Metal Lath: Expanded diamond mesh, hot dip galvanized.

2.6 FABRICATION

A. Cut panels accurately to required shapes and dimensions.

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

C. Cut panels 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: Maximum 1/4 inch in 10 feet variation in substrate surface.

3.2 INSTALLATION

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

In the following paragraph, retain the metal lath option for quartz installed over studs and sheathing.

B. Set panels in thick set mortar bed [over metal lath] in accordance with ANSI A108.1.

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.