INSTALLATION:
						Ceramic Wall Tile, Mosaic, and Marble

SPECIFICATION				KER 800 SERIES
Unsanded Polymer-Modified Portland Cement Grout

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DESCRIPTION: Dry curing, unsanded polymer-modified Portland cement grout for non-vitreous ceramic glazed wall tiles.  KER 800 is available in a broad range of modern designers colors and requires only the addition of water for mixing.

Specify for grouting interior tile installation on walls.

Specify for grouting glazed ceramic wall tiles

Specify for grouting marble tile (see LIMITATIONS and CAUTION in data sheet).

Specify strictly for grouting narrow joints 1/16” to 1/8”(1,5 to 3mm) wide MAXIMUM.

DO NOT specify for grouting joints greater than 1/8” (3mm) wide on floors.  Specify ULTRA/COLOR, KER 200 or KERAPOXY (see respective data sheets for details).

DO NOT specify for grouting EXTERIOR tile or stone installations.  Specify sanded ULTRA/COLOR or KER 200 grouts instead (see respective data sheets for details).

DO NOT specify for grouting vitreous or semi-vitreous tiles, slate or natural stone.  Specify sanded ULTRA/ COLOR or KER 200 grouts instead (see respective data sheets for details).

DO NOT specify where chemical and stain resistance is required.  Specify KERAPOXY instead (see data sheets for details).

When specifying KER 800 Grout in the Tile Selection selected – ceramic, mosaic, or marble – add appropriate articles or paragraphs under the applicable PART as indicated.
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PART 1 GENERAL

REFERENCES

ANSI A108.10 – Installation Specification for Grout in Tile Work

ANSI A118.6 – Material Specifications for Ceramic Tile Grout

ANSI A 137.1 – Material Specification for Ceramic Tile

Tile Council of America, Inc. (TCA) – Handbook for Ceramic Tile Installation

SUBMITTALS

Product Data: Submit manufacturer’s technical information and installation instructions for materials required.

QUALITY ASSURANCE

Provide tile, grout and setting materials from one source. Additives, dry-set mortars, installation materials and grouts shall be from the same manufacturer.

DELIVERY, STORAGE AND HANDLING

Deliver and store packaged materials in original containers with seals unbroken and labels intact until time of use. Prevent damage or contamination to materials by water, freezing, foreign matter or other causes.

Deliver and store materials on site at least 24 hours before work begins.

Provide heated and dry storage facilities on site.

PROJECT CONDITIONS

Maintain environmental conditions and protect work during and after installation to comply with referenced standards and manufacturer’s printed recommendations.

**************************************************************************************Environmental conditions may have an effect on the final color of Portland Cement Grouts.
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Vent temporary heaters to exterior to prevent damage to tilework from carbon dioxide build-up.

Maintain temperature at not less than 50 degrees F (10 degrees C) in tiled areas during installation and for 7 days after completion, unless higher temperatures are required by referenced installation standards or manufacturer’s written instructions.

PART 2 PRODUCTS

GROUT MATERIALS

LATEX-MODIFIED PORTLAND CEMENT GROUT: KER 800 Unsanded Polymer-Modified Portland Cement Grout as manufactured by MAPEI CORPORATION, ANSI A118.6.

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When specifying KER 800 in performance specification, Call MAPEI CORPORATION’s Technical Service Department toll-free number for assistance with product characteristics.

When specifying MORTARS or ADHESIVE MATERIALS refer to respective suggested mortar or adhesive specification.
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MIXES

Proportion and mix factory-prepared mortar in accordance with manufacturer’s printed instructions.

PART 3 EXECUTION

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Specifications for surface conditions are listed in the beginning of the specification of MAPEI’s Architectural Binder.  These specifications should be called out with the related work sections.  Delete non-applicable conditions.  (Refer to ANSI EXPLANATION AND NOTES section: AN-3 RELATED WORK SPECIFIED IN OTHER SECTIONS.)
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INSTALLATION

Grout in accordance with manufacturer’s printed instructions and ANSI A108.10.

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Select TCA method to be used and delete non-applicable methods.  (Select from latest edition of the TCA Handbook.)
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[Floor Tile: Install in accordance with TCA method
[F101], [F102], [F103], [F111], [F112], [F113], [F116],
[F121], [F122], [F141], [F144], [TR712], [TR912].]

[Wall Tile: Install in accordance with TCA method
[W201], [W202], [W211], [W221], [W222], [W231], [W241],
[W242], [W243], [W244], [B411], [B412], [B413], [B414], [B415], 
[B416], [B417], [TR711], [TR713].]

[Ceiling or Soffit Tile: Install in accordance with TCA method C311.]

[Swimming Pool Tile: Install in accordance with TCA method P601.]

[Tub and Fountain Tile: Install in accordance with TCA method B417.]

[Steam Room Tile: Install in accordance with TCA method SR613.]

Install expansion and control joints in accordance with TCA method EJ171.

Grout joints shall be clean and free from standing water, dust and foreign substances.

Tile surfaces shall be clean and dry.

PROTECTION

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Select appropriate statements for installation – floor, wall or both.  Delete non-applicable statements.
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[Protect floors from general traffic for at least 72 hours after installation.  Plywood or stepping boards may be used after 24 hours when occasional stepping on the floor is unavoidable.]

[Protect walls from impact, vibration and heavy hammering on adjacent and opposite walls for at least 14 days after installation.]

Protect from freezing and total water immersion for at least 21 days after installation.

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When dealing with cement-based products, it should be noted that temperature and humidity during and after installation of tile affect final curing time, i.e., low temperatures (60 degrees and under) and high humidity (70% and above) will delay final cure time.
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For further information and technical assistance, contact:

				     MAPEI CORPORATION
				     1501 WALL STREET
				     GARLAND, TEXAS 75041-4046
				     1-800-992-6273