Specifications

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DESCRIPTION

Keracolor U Unsanded Grout is a premium-grade, preblended, polymer-

modified unsanded Portland-cement tile grout that requires only the addition

of water for mixing. It will grout joints from 1/16" to 1/8" (1,5 to 3 mm).

FEATURES AND BENEFITS

• For interior/exterior floors and walls

• Contains BioBlock

technology for mold and mildew resistance

INDUSTRY STANDARDS AND APPROVALS

• ISO 13007: Classification CG2WA

• ANSI: Meets or exceeds ANSI A118.6 industry standards

LEED v3 Points Contribution LEED Points

MR Credit 5, Regional Materials* .......................................Up to 2 points

IEQ Credit 4.1, Low-Emitting Materials –

Adhesives & Sealants .....................................................................1 point

IEQ Credit 4.3, Low-Emitting Materials –

Flooring Systems ............................................................................1 point

* Using this MAPEI product may help contribute to LEED certification of projects

in the categories shown above. Points are awarded based on contributions of

all project materials.

WHERE TO USE

• For grouting interior/exterior residential and commercial floor and wall

surfaces in dry or wet conditions

• For grouting dimensional stone, slate, granite, stone agglomerates and

most types of ceramic, ceramic mosaic, quarry, brick paver, porcelain,

glass and clay tiles

• For joint widths from 1/16" to 1/8" (1,5 to 3 mm)

• For application in submerged conditions (swimming pools, spas, water

features and fountains), once fully cured (after 21 days)

LIMITATIONS

• Do not install over substrates containing asbestos.

• Do not use to grout joints greater than 1/8" (3 mm) wide. Instead, use

Keracolor S Sanded Grout, Ultracolor

Plus FA or an appropriate MAPEI

epoxy grout (see the respective Technical Data Sheet [TDS] for details).

• Do not use when a highly chemical-, impact- and stain-resistant grout

is required or in heavy industrial tile installations. Instead, use an

appropriate MAPEI epoxy grout (see the respective TDS for details).

• When grouting in temperatures above 80°F (26°C), see the Technical

Bulletins at www.mapei.com or consult MAPEI’s Technical Services

Department.

Consult MAPEI’s Technical Services Department for recommendations regarding

installation over substrates and conditions not listed.

SURFACE PREPARATION

• Certain tiles with high absorption, surface porosity or rough surfaces

may require sealing before grouting to prevent permanent staining.

• The application of a grout release over certain types of porcelain or textured

surface tiles or stone may be advantageous where a fine surface porosity

Premium Unsanded Grout

with Polymer

Unsanded GroutUnsanded Grout

Keracolo

Keracolor

Version: Sept. 20, 2017

Summary of content (6 pages)

PAGE 1
t u o U r r G o l o d c e a r d Ke n a s n U Version: Sept. 20, 2017 ® Premium Unsanded Grout with Polymer DESCRIPTION • Keracolor U Unsanded Grout is a premium-grade, preblended, polymermodified unsanded Portland-cement tile grout that requires only the addition of water for mixing. It will grout joints from 1/16" to 1/8" (1,5 to 3 mm).
PAGE 2
U or col ed a r Ke and ® s Un ut Gro might trap fine cement particles or color pigments. Seek the advice of the tile or stone manufacturer and site-test (mock up) on separate samples before grouting. • Caution: Some types of glazed ceramic tiles, marble, granite and marble agglomerates can be permanently stained, scratched, dulled or damaged when grouted with pigmented grout or sanded grout formulas. Generally, white grout is best suited for grouting white or light-colored marble or granite.
PAGE 3
11. Dip the sponge in a bucket of water and wring out the excess, so that the sponge does not drip water. Using very little pressure, pull the sponge diagonally across the grout joints to remove the excess grout from the tile surface. Also use the sponge to smooth the surface of the grout joint. Turn the sponge over and make another pass in an adjacent area. After using both sides, rinse the sponge in one bucket and wring out the excess water.
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U or col ed a r Ke and ® s Un ut Gro ISO 13007 Classification Classification Code Test Characteristics Classification Requirement CG2 (cementitious grout, improved) Shrinkage ≤ 0.30% shrinkage in 28 days W (reduced water absorption) Water absorption ≤ 5 g after 4 hours A (high abrasion resistance) Abrasion resistance ≤ 1,000 mm3 Test Method Specification Standard Test Results ANSI A118.
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Approximate Coverage* U or col ed a r Ke and ® Per 10 lbs. (4,54 kg) – Coverage in sq. ft.
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U or col ed a r Ke and ® ut Gro s Un RELATED DOCUMENTS Technical Bulletin: The Causes and Cure for Grout Efflorescence 010309-TB* Technical Bulletin: Grout Cleaning 041101-TB* Technical Bulletin: How to Install Grout in Hot Weather 010404-TB* Grout Troubleshooting Guide* * At www.mapei.com Refer to the SDS for specific data related to health and safety as well as product handling.