C-Cure Latex-Portland Cement Sanded Grout

MP Sanded Grout 924 – Latex-Portland Cement

By C-Cure

Latex-Portland Cement Grout

Grout and Caulking Color chart, provide by Flooringsupplyshop.com flooring supply store in Los Angeles, we cary Tile, Hardwood floors, Stone, Tools for tile and stone, accessories for shower and more

Product Description

MP® SANDED 924 is a one-part, latex-Portland cement grout that provides the user the highest performance available in the industry, in an easy to use, just-add-water material. Its unique blend of Portland cement, specially grades silica fillers, latex modifiers and colorfast pigments provides for a superior grout with excellent flexural and bond strengths, color control, minimal efflorescence and high comprehensive strength. MP SANDED 924 is specifically designed for tile installations that will be subjected to thermal shock. It resists bacteria, fungus, alkalies and does not shrink or dust.

Areas of Use

MP SANDED 924 latex-Portland Cement Grout is for medium to wide-joint installation, 1/8″ – 1/2″ (3 – 13 mm). It would most commonly be used in residential and commercial areas where premium grout is needed to perform under demanding job conditions. MP SANDED 924 is formulated so that it can provide the optimum in high wear, stain resistance and exceptional color

uniformity without the necessary latex admixtures of other competitive grout systems. Only the addition of water is required. Unlike any grout to date, MP SANDED 924 offers improved workability with minimal labor required for final clean-up.

Limitations

MP SANDED 924, because of its Portland cement base, should not be used where high acid resistance is required. In areas of intermittent mild acid exposure, MP SANDED 924 out-performs standard commercial Portland cement grouts. MP SANDED 924 is not effected by prolonged contact with water, but does not form a waterproof barrier.

The potential for efflorescence is inherent in all cement based products and is not considered a manufacturing defect.

Applicable Standard

MP SANDED 924 may be used in installations that must conform to ANSI A118.6-H2.4, A108.1, A108.4, A108.5, A108.7 and A108.10.

Color — MP SANDED 924 is available in 40 standard colors. Upon special request, it can be custom blended to almost any color to fulfill the needs of both decorators and architects.

Texture — Powder consisting of Portland cement, graded silica sand, colorfast pigments, latex modifiers

Packaging

25 lb. (11.3 kg) bags and 10 lb. (4.54 kg) containers.

INSTALLATION

Preparatory Work

Evaluation of the job conditions and the materials to be used will be the primary controlling factors that will determine the outcome of the job. As in all cases, if proper precautions are taken before a job is started, many problems that are within the realm of your control may be prevented, assuring a satisfactory job. The following is a suggested checklist that one should follow to produce the best possible results when grouting a ceramic tile installation:

1) Wait a minimum of 48 hours before grouting a dry-set installation. Wait 72 hours before grouting a conventional mortar bed installation. Portland cement mortar beds that are excessively wet or have moisture coming through the slab may produce uneven drying conditions and efflorescence. Extra drying time is required to reduce the problem of efflorescence and uneven drying of the grout joint. If organic adhesives are used a minimum of 48 hours is required for the evaporation of solvents which will prevent proper cure of cement mortars. These recommendations are made on the premise that the ambient temperature is 70° F (21° C). Therefore, allowances should be made if the temperature is other than this. A longer time should be allowed for cooler temperatures and shorter times are possible if the temperature is higher.

2) The width and depth of all the joints should be uniform throughout the installation. If tile spacers or construction debris are present, remove prior to grouting. A minimum of 2/3 of the joint shall be open for grouting material. Excessive setting material must be removed.

3) Plan your day’s work so the next day’s grouting does not join in conspicuous areas (e.g. center of rooms).

4) On exterior and interior work, it may be necessary to use shades or screens in work areas to prevent rapid water evaporation due to sun or wind. During warmer months, grouting should be done at the coolest part of the day. During cooler months, it will be necessary to protect the grout from freezing conditions for the first 72 hours.

5) If contrasting grout and tile colors are to be used, it may be necessary to use a grout release. It is best to check with the tile manufacturer for their recommendations or do a test panel simulating your job conditions.

6) Dampen the joints and wet the surface of the tile by means of fogging prior to placing the grout on the tile; however, no standing water should be present. This will do three things: First, the grouting of a wet surface is easier. Second, it will reduce absorption of fine pigments and cement into the small pores of the tile, thus reducing clean-up time and possible staining. Third, this dampening of the joints will prevent the rapid loss of water from the grout, improving its color and final hardness.

7) Keep grout from getting into the expansion joints, as they will later have to be cleaned out when sealant is applied.

8) During winter months care should be taken that both the dry powder grout and mixing liquids are at least 60°F (16°C) and the grouted installation should be maintained at 60°F (16°C) or above for a minimum of 24 hours.

9) When grouting under adverse conditions such as below recommended temperatures or in highly humid conditions, mixing grout with PROGROUT ADDITIVE 945 will decrease the chance of discoloration and help prevent efflorescence of the grout.

Mixing

If possible, use the same person to mix the grout so that the same mixing technique will be used throughout the job.

On small jobs, if less than a full bag is mixed at one time, the entire bag should be dry mixed first, prior to the addition of water or PROGROUT ADDITIVE 945 for adverse grout installation conditions. This is done to prevent a color variance in the finished product that may be possible due to pigments and fine aggregates that have settled during transport. During the mixing process, the grout should be mixed with as little liquid as is practical for application.

Special note: When mixing MP SANDED 924, only water or ProGrout ADDITIVE 945 shall be used. In addition, the grout must be mixed thoroughly either by hand or with a low RPM power mixer to ensure uniform color and maximum strength.

A suggested mixing procedure is as follows: To a mixing container,

add approximately 1/2 gallon (1.89 L) of liquid per 25 lbs. (11.3 kg) of powder.

Add the grout to the liquid using only a small amount of water to adjust the mortar to a soft, paste-like consistency.

Allow the mortar to slake for 15 minutes, then remix.

It may be necessary, at this time only, to add a very small amount of liquid to return the mortar to a paste-like consistency for application. Do not re temper with liquid or powder after this point. Once the grout mortar has become too stiff to work, it must be discarded and a new batch mixed.

Application

Grout all areas of the installation with the exact same procedure.

The most consistent results can be achieved by filling the joints with grout until flush with surface of tile using a hard rubber float working diagonally across the grout joints to both fill and compact the joints. As soon as possible, remove all excess grout with the same rubber float. The least amount of grout left at this time on the face of the tile will make the final clean-up easier.

Most importantly, allow the grout to firm in the joint acquiring its initial set before any further cleaning is to be done. The grout is firm when it can only slightly be indented when pressed hard with your fingernail. Do not be concerned about dried grout on surface of tile at this time. Upon initial set of the grout, use a pad of cheese cloth or towel dampened with a minimum amount of clean cool water to clean tile.

Clean tile surface by rubbing in a circular motion to further compact the grout. Also, clean off grout remaining on the surface of the tile at this time. As an alternate to cloth, a tool  called the “Doodle Bug®,” a Scotch-Brite™ pad fastened to a float, works very well to remove grout from porous tiles. In no case is a sponge recommended for grouting. To help reduce efflorescence and control color variation, buff the tile surface and grout with a cheese cloth or clean, dry towel within one (1) to two (2) hours to remove all water and grout residue from the surface of the grout.

Curing

Under hot, dry conditions, during the first 72 hours, care must be taken to prevent the grout from drying out by covering the installation with natural kraft paper. Plastic sheeting or newspaper should not be used.

During this time, it is also important to keep the installation covered with kraft paper to prevent staining and dirt being worked into the fresh grout joints by other construction trades.

Final Cleaning

After 10 days, the floor may be recleaned to remove any remaining grout from the surface of the tile. Scrubbing the floor with a hot water and TSP (trisodium phosphate) method is best. It is not recommended that acids be used. If acid is required, a solution no stronger than two (2) lbs. (.90 kg) of C-CLEAN 985 granules to five (5) gallons (18.9 L) of water may be used. It is important that before the acid solution is placed on the surface, the grout be thoroughly saturated with water first. Cleaning in this manner will most likely cause color alteration of the grout joint, the degree of which can be determined by doing a small test patch in a inconspicuous place. After cleaning, thoroughly rinse with clean water.

Special Note: Do not acid clean the following MP SANDED 924 colors: #35 Catalina Jade and #86 Ocean Blue. For specific cleaning procedures on these colors contact C-Cure’s Technical Service Department.

Sealing and Staining

Sealers, waxes and stains maybe used to further enhance the grout by offering richer colors and future prevention of unwanted stains. A period of at least 30 days and complete satisfaction of grout conditions should be allowed before these products are applied. Some sealers may have adverse effects on grout joints, such as softening or discoloration. Try a small test area to be sure.

Coverage

See separate GROUTING MATERIALS COVERAGE CHART in the Specifications Section.

Warrenty

MP SANDED 924 is included in C-Cure’s Five and Ten Year System Warranties. For terms and conditions see Warranty Documents #WRTDS and #CCW10.

Guarantee

The recommendations, suggestions, statements and technical data are based on the best knowledge available to C-Cure and are given for informational purposes ONLY and without any responsibility for their use.

C-Cure MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCT SOLD HEREIN except that the quality of the ingredients shall be in accordance with C-Cure specifications. It is expressly understood and agreed that the buyer’s sole and exclusive remedy shall be replacement of defective products and under no circumstances shall C-Cure be liable for incidental or consequential damages. C-Cure neither assumes nor authorizes any others to assume for it any liability with respect to furnishing of the product. Handling and use of the product are beyond the control of C-Cure, therefore, no warranty is made, expressed or implied, as to the results obtained from the use of the product or against any claims for infringement of patents resulting from the use of the product.

This writing constitutes a complete and exclusive statement of the understanding between C-Cure and buyer. There were no oral agreements or warranties, expressed or implied, collateral to or affecting the furnishing of the product. This understanding shall not be modified except in writing by an officer of C-Cure.

Members of National Tile Contractors Association, Materials & Methods Standards Association, Ceramic Tile Distributors Association.

NOTICE: The information in this bulletin is presented in good faith, but no warranty, express or implied, is given nor is freedom from any patent. In as much as any assistance furnished by C-Cure with reference to the safe use and disposal of its products is provided without charge, C Cure assumes no obligation or liability therefore, except to the extent that any such assistance shall be given in good faith.

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MP SANDED 924 TECHNICAL DATA

TEST TYPICAL VALUES
A. Shear Bond ANSI A118.1 

Vitreous (paver) Tile …………………………. 7 Days

>500 psi (35 kg/cm2)
Semi-Vitreous Tile ……………………………. 7 Days
>500 psi (35 kg/cm2)
Non-Vitreous Tile ……………………………. 7 Days
>400 psi (28 kg/cm2)
B. Compressive Strength ASTM C-109 …… 7 Days 

…………………………………..
28 Days

>2900 psi (204 kg/cm2) 

>4000 psi (281 kg/cm2)

C. Water Absorption
<4%
D. Hardness
>90 Shore D
E. Initial Set ASTM C-266
2 Hours
F. Final Set ASTM C-266
8 Hours
G. Bucket Life
2 Hours
H. Safety—CAUTION: May cause eye, skin or lung injury. Contains free silica. Prolonged exposure to 

dust may cause delayed lung disease (silicosis). Eliminate exposure to dust. Use NIOSH approved

mask for Silica dust. Contains Portland cement. If any cement or cement mixtures get into the

eye, flush immediately and repeatedly with water, and consult a physician promptly. Freshly

mixed cement, mortar, concrete or grout may cause skin injury. Avoid contact with skin where

possible and wash exposed skin areas promptly with water.

KEEP OUT OF REACH OF CHILDREN.
I. Storage Life—One year if kept dry in sealed bags.

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