SPECTRALOCK Grout

What is SPECTRALOCK® PRO Premium Grout?

SPECTRALOCK® PRO Premium Grout is an improved version of our revolutionary SPECTRALOCK PRO Grout technology which produces the most color uniform, color accurate grout available today, now with even better stain resistance and non-sag performance on vertical installations. Based on revolutionary cross-linking technology, SPECTRALOCK PRO Premium Grout provides superior stain resistance, ease of use and meets performance requirements of ANSI A118.3. SPECTRALOCK PRO Premium Grout is available in a tremendous range of colors, including 40 traditional solid colors and many exciting options using SPECTRALOCK DAZZLE™ which include Gold, Silver, Copper, Mother-of-Pearl, Glow-In-The Dark, and a host of other bright colors. With all its performance advantages, SPECTRALOCK PRO Premium Grout provides outstanding workability features along with anti-microbial protection to help inhibit the growth of mold and mildew into the grout.

What is SPECTRALOCK® PRO Grout?

SPECTRALOCK® PRO Grout is a revolutionary breakthrough in grout technology that produces the most color uniform, color accurate grout available today. Based on new cross-linking technology, SPECTRALOCK PRO Grout provides excellent stain resistance, ease of use and meets all of the performance requirements of ANSI A118.3. SPECTRALOCK PRO Grout is available in a tremendous range of colors, including 40 traditional solid colors and many exciting options using SPECTRALOCK DAZZLE^™ which include Gold, Silver, Copper, Mother-of-Pearl, Glow-In-The Dark, and a host of other bright colors. With all its performance advantages, SPECTRALOCK PRO Grout provides some very important workability features and anti-microbial protection to help inhibit the growth of mold and mildew into the grout.

What are the performance features of SPECTRALOCK® PRO Premium Grout?

SPECTRALOCK® PRO Premium Grout provides a number of important features and benefits for the end user, installer, architect, and designer:

Color accuracy – The SPECTRALOCK PRO Premium Grout powder, based on non-pigmented technology provides outstanding accuracy to each color's standard. Since the color is integral with the sand, it is virtually impossible to wash the color out of the grout (a common problem with cement based grout). SPECTRALOCK PRO Premium Grout will be most accurate to the LATICRETE Grout and Sealant Colors Card (DS 254.3).
Color uniformity – SPECTRALOCK PRO Premium Grout utilizes a unique cross linking technology which is unaffected by the many jobsite variables (e.g. over-washing, inconsistent mixing, uneven drying conditions, etc...) which can produce shade variations, blotchiness, and shading in portland cement based grouts. SPECTRALOCK PRO Premium Grout delivers a uniform color every time.
Stain resistance – SPECTRALOCK PRO Premium Grout has unique stain blocking properties that repel liquids and many staining materials. In addition, the absorption rate of SPECTRALOCK PRO Premium Grout is less than 0.05%, which is comparable to (or better than) impervious porcelain tiles. This means that SPECTRALOCK PRO Premium Grout is the most stain resistant grout available, and is easy to maintain.
Superior durability – Properly mixed and inatlled, SPECTRALOCK PRO Premium Grout cures to a hard, dense grout every time. SPECTRALOCK PRO Premium Grout is unaffected by the many jobsite variables that affect the cure of portland cement based grouts. Cement grouts might exhibit powdering, dusting, and flaking because of poor curing conditions on the job. This will not occur with SPECTRALOCK PRO Premium Grout.
Microban® Anti-Microbial Protection – SPECTRALOCK PRO Premium Grout contains Microban anti-microbial protection which helps to inhibit the growth of mold and mildew into the grout. Any mold or mildew that may be present on the surface of SPECTRALOCK PRO Premium Grout will not penetrate into the grout and can be topically cleaned with neutral pH soaps and clean water as part of a consistent cleaning regimen. Maintaining a suitable and consistent cleaning regimen will keep the installation looking new for many, many years
Non-sag Performance – SPECTRALOCK PRO Premium Grout has been developed to provide non-sag performance on vertical applications and to prevent sagging under tile on horizontal applications.
Non-staining system – SPECTRALOCK PRO Premium Grout utilizes a non-staining filler powder that will not stain any tile, such as quarry tile, unglazed ceramics, polished porcelain, many marbles and stone, and other unglazed ceramic tile. Portland cement grouts utilize color pigments which may stain these types of tile, but SPECTRALOCK PRO Premium Grout will not stain, even with black or other dark grout colors. Certain types of stone (e.g. Thasos White marble, White Carrara marble, other statuary marbles, and other absorptive stone) may draw the grout liquids into them causing a "picture framing" effect which will darken or discolor the stone. Coduct a test area to determine suitability and acceptability.
Never requires sealing – Due to it’s low porosity rate (< 0.5%), SPECTRALOCK PRO Premium Grout never needs to be sealed in order to help resist staining.
Great for narrow joints – As grout joints are specified to be narrow for stone and for rectified tiles, SPECTRALOCK PRO Premium Grout will cure properly and perform extremely well even in tight, narrow joints. SPECTRALOCK PRO Premium Grout can be installed into grout joints from 1/16" to 1/2" (1.5 to 12mm).
Great for re-grouting – SPECTRALOCK PRO Premium Grout is suitable for re-grouting applications where existing grout joints are powdering, dusting out, or need to be replaced.

To summarize, SPECTRALOCK PRO Premium Grout is the grout that “Locks in color, and blocks out stains!”

What are the performance features of SPECTRALOCK® PRO Grout?

SPECTRALOCK® PRO Grout provides a number of important features and benefits for the end user, installer, architect, and designer:

Color accuracy – The SPECTRALOCK PRO Grout powder, based on non-pigmented technology provides outstanding accuracy to each color's standard. Since the color is integral with the sand, it is impossible to wash the color out of the grout (a common problem with cement based grout). SPECTRALOCK PRO Grout will be most accurate to the LATICRETE Grout and Sealant Colors Card (DS 254.3).
Color uniformity – SPECTRALOCK PRO Grout utilizes a unique cross linking technology which is unaffected by the many jobsite variables (e.g. over-washing, inconsistent mixing, uneven drying conditions, etc...) that produce shade variations, blotchiness, and shading in portland cement based grouts. SPECTRALOCK PRO Grout delivers a uniform color every time.
Stain resistance – SPECTRALOCK PRO Grout has unique stain blocking properties that repel liquids and many staining materials. In addition, the absorption rate of LATICRETE SpectraLOCK PRO is less than 0.5%, which is comparable to impervious porcelain tiles. This means that SPECTRALOCK PRO Grout is among the most stain resistant grout available, and is easy to maintain.
Superior durability – Properly mixed and inatlled, SPECTRALOCK PRO Grout cures to a hard, dense grout every time. SPECTRALOCK PRO Grout is unaffected by many of the jobsite variables that affect the cure of portland cement based grouts. Cement grouts might exhibit powdering, dusting, and flaking because of poor curing conditions on the job. This will not occur with SPECTRALOCK PRO Grout.
Anti-Microbial Protection – SPECTRALOCK PRO Grout contains anti-microbial protection which helps to inhibit the growth of mold and mildew into the grout. Any mold or mildew that may be present on the surface of SPECTRALOCK PRO Grout will not penetrate into the grout which can be topically cleaned with neutral pH soaps and clean water. Maintaining a suitable and consistent cleaning regimen will keep the installation looking new for many, many years
Non-staining system – SPECTRALOCK PRO Grout utilizes a non-staining filler powder that will not stain any tile, such as quarry tile, unglazed ceramics, polished porcelain, many marbles and stone, and other unglazed ceramic tile. Portland cement grouts utilize color pigments that can stain these types of tile, but SPECTRALOCK PRO Grout will not stain, even with black or other dark grout colors. Certain types of stone (e.g. Thasos White marble, White Carrara marb/e, other statuary marbles, and other absorptive stone) may draw the grout liquids into them causing a "picture framing" effect which will darken or discolor the stone. Coduct a test area to determine suitability and acceptability.
Never requires sealing – Due to it’s low porosity rate (< 0.5%), SPECTRALOCK PRO Grout never needs to be sealed in order to help resist staining.
Great for narrow joints – As grout joints are specified to be narrow for stone and for rectified tiles, SPECTRALOCK PRO Grout will cure properly and perform extremely well even in tight, narrow joints. SPECTRALOCK PRO Grout can be installed into grout joints from 1/16" to 1/2" (1.5 to 12mm).
Also for re-grouting – SPECTRALOCK PRO Grout is suitable for re-grouting applications where existing grout joints are powdering, dusting out, or need to be replaced.

To summarize, SPECTRALOCK PRO Grout is the grout that “Locks in color, and blocks out stains!”

How much SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout do I need for my project?

This will vary depending on the tile size, thickness of the tile and joint width. Please use the LATICRETE Project Estimator at https://laticrete.com/estimator and click on the Grout button to determine how much grout is required based on area to be grouted, size of the tile and width of the grout joint. You can also download the LATICRETE App at the App Store (Apple devices) or Google Play (Android devices) for a handy, easy-to-use grout coverage calculator Just type LATICRETE into the Search bar and download the app. The LATICRETE Grout and Sealant Colors card (DS 254.3) also contains grout coverage calculations for some common tile sizes.

Please note that grout coverage is approximate and can vary based on job site conditions, actual grout joint width and depth, type of tile or stone being grouted, and installation method.

What are the color range and design capabilities of SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout?

SPECTRALOCK^® PRO Premium Grout and SPECTRALOCK PRO Grout will meet the design expectations of the architect, designer, and homeowner. It is available in a wide range of colors to meet most design requirements. This includes the 40 LATICRETE lifestyle colors and 5 SPECTRALOCK DAZZLE™ options which can be blended into the lifestyle colors. These SPECTRALOCK DAZZLE options include Gold, Silver, Copper, Mother-of-Pearl, Glow-In-The-Dark, and a host of other bright colors.

*Glow-In-The-Dark SPECTRALOCK DAZZLE is designed to work with 20 LATICRETE grout colors, generally the lighter colors in the spectrum. Reference the LATICRETE® Grout Color Card, DS 254.3, for the complete list of recommended colors.

Grout for ceramic tile no longer needs to be thought of as joint filler that just fills the space between the tiles. SPECTRALOCK PRO Premium Grout (or SPECTRALOCK PRO Grout) with SPECTRALOCK DAZZLE makes grout an exciting design element that complements or enhances the tile or stone selection.

What are the workability features that make SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout easy to use?

SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout provide a number of features which help make the installer's job easier than with traditional epoxy grouts and just as easy as cement based grouts.

Easy To Mix – SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout Part A and Part B liquid components are easy to mix and to blend uniformly. The SPECTRALOCK Grout Part C powder can be mixed in completely, or, a small quantity may be left out to make a more plastic grout mixture when grouting joints <1/8" (<3mm).
Great for Narrow Joints – For the contractor who has to grout narrow joints for stone, wall tile or rectified tile, SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are easy to install and will cure properly even in narrow joints without the need for any additional additives.
Easy To Apply – The normal cement grouting procedure is followed. Use a hard rubber grout float (epoxy type) to work the grout diagonally across the joints, packing them full. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout applies like standard cement grout.
Never requires sealing – Due to the low porosity rate of SPECTRALOCK PRO Premium Grout (< 0.05%) and SPECTRALOCK PRO Grout (< 0.5%), SPECTRALOCK PRO Grout never needs to be sealed in order to help resist staining.

How are SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout different from LATAPOXY® SP-100?

SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout have similar performance characteristics to LATAPOXY® SP-100. SPECTRALOCK PRO Premium Grout, SPECTRALOCK PRO Grout and LATAPOXY SP-100 meet all ANSI A118.3 performance requirements. The major differences are in application and workability. Both SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are installed with techniques similar to what is used for a portland cement grout, while LATAPOXY SP-100 requires different procedures for installation and cleaning. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout also contain anti-microbial protection.

Can I grout my swimming pool with SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout?

Yes! In fact, SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout are the ideal choice for use in submerged installation of tile or stone. Both SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout have an absorption rate of 0.5% and are unaffected by inadequate pool water maintenance, swimming pool chemicals and improper mineral levels. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout also feature non-pigmented powder technology so the color will always stay true. Allow these grouts to cure for a minimum of 10 days at 70°F (21°C) or higher prior to filling the pool with water. Cooler temperatures will require a longer grout cure time.

How do I remove cured epoxy grout film from the face of tiles?

Use a neutral pH detergent/water solution (electric dishwasher detergent works very well) along with a sponge and extra SPECTRALOCK® Grout Part C powder. Apply the soap/water solution to the face of the tile in the affected area(s) and then sprinkle the SPECTRALOCK Grout Part C powder onto the wet area. Use the sponge to scrub the surface with some pressure to "abrade" the haze off of the tile. Conduct a test area in an inconspicuous area to verify suitability of this method for your tile or stone and to determine results. If the haze persists, try the above technique but replace the detergent/water solution with one of the chemicals listed below:

STONETECH® Epoxy Grout Haze & Coating Stripper
STONETECH Heavy Duty Coating Stripper

Can I re-grout with SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout?

Yes. To regrout with SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout carefully remove a minimum of ½ the depth of the existing grout joint, ensuring that he remaining grout is sound and firm. The careful use of dustless grinders with a diamond-cutting blade works well for this purpose. Use caution so tiles are not damaged. If the grout joints are too narrow to accommodate a dustless grinder, it may be necessary to use a hand-held tool (e.g. grout saw, Dremel Tool, Roto-Zip, etc...). Vacuum all of the dust and grout debris from the joints, wash with clean water and allow to dry. Proceed with the grout installation using one of the following grouts:

SPECTRALOCK PRO Premium Grout
SPECTRALOCK PRO Grout

Are there any cautions that I should be aware of when using SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout?

Yes, there are some concerns which should be noted prior to beginning your grout job using SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout.

SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout liquids must be protected from freezing. Bring the liquids to a temperature at or around 70°F (21°C) prior to mixing. Surface temperature must be between 40° and 95°F (5° - 35°C) during and for 24 hours after installation.
Light colors may darken slightly over time from exposure to ultraviolet light. Consult with LATICRETE Technical Service Department for all exterior applications before starting the project.
Maximum stain resistance is achieved in seven days at 70°F (21°C). Protect from exposure to acids, household acidic materials(e.g. mustard, vinegar, salad dressings, etc...) and strong cleaners during this period. Protect grout from dirt, construction debris and contamination for seven days at 70°F (21°C).
Some soft polished marble, delicate glazed tile or glass tile might be scratched by SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout during installation. Conduct a small test area in an inconspicuous place to determine results before grouting entire installation.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout resins may affect the color of white or porous stone (e.g. White Carrara marble, Thassos White, Royal Danby, or other soft or statuary type stone). Conduct a small test area in an inconspicuous place to determine results before grouting entire installation.
Test stone, especially polished stone, for compatibility with the LATICRETE Cleaning Additive.
Conduct a test area to determine compatibility with metal or steel tile.

Can SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout be used in commercial kitchens or industrial applications?

The use of SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout is not recommended in commercial kitchens or industrial applications. For best results, LATICRETE would strongly recommend the use of SPECTRALOCK 2000 IG for commercial kitchens, institutional kitchens, and any other area that may be subjected to high chemical exposure, high heat conditions, bacterial concentartions, and/or aggressive cleaning regimens (e.g. steam cleaning). However, if an epoxy grout is specified or required in light commercial, residential or commercial applications which are not subjected to the conditions stated above, SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout meets ANSI A118.3 performance requirements, and may be specified.

What is the SPECTRALOCK® DAZZLE™ component?

SPECTRALOCK® DAZZLE™ is an optional component for use with SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are available in a range of 40 designer colors, but by blending in a SPECTRALOCK DAZZLE component, the color pallette expands to over 170 options! SPECTRALOCK DAZZLE is available in Gold, Silver, Copper, Mother-of-Pearl, Glow-In-The-Dark, and a host of other bright colors. The SPECTRALOCK DAZZLE metallic flake powder replaces some of the standard SPECTRALOCK Grout Part C filler powder to produce a unique, light-reflective grout joint that can enhance many tile applications. The SPECTRALOCK DAZZLE Glow-In-The-Dark will make your grout glow at night if the grout gets a sufficient charge of light during the day.

NOTE:There is a limitation for the Gold, Silver, Copper, and Mother-of-Pearl Dazzle components which may tarnish from strong alkali and acidic cleaners so their use is typically limited to wall applications only.

*Glow Dazzle is designed to work with 20 LATICRETE grout colors, generally the lighter colors in the LATICRETE color spectrum. Please reference the LATICRETE^® Grout Color Card (DS 254.3) for the complete list of recommended colors.

What are important tips about grouting with SPECTRALOCK® PRO Premium Grout and SPECTRALOCK PRO Grout?

Remove excess grout off the face of tile with a grout float immediately after installing the grout. Don’t leave large globs of SPECTRALOCK® PRO Premium Grout or SPECTRALOCK PRO Grout on the face of the tile. Remove it prior to cleaning.
Mix the provided Cleaning Additive 377 with clean water. If you run out of the Cleaning Additive 377, mix 1/2 cup (237 mL) of white vinegar with 2 gallons (7.6 liters) of clean water instead.
The working time of SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout is approximately 80 minutes at 70°F (21°C); don’t mix more SPECTRALOCK PRO Premium Grout or SPECTRALOCK PRO Grout than you can grout in that time frame.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout residue can be easily removed with a sponge and water. After installing the grout, wait 20 to 30 minutes before cleaning (or within one hour of mixing the product). You can wait longer at cooler temperatures. Add “Initial Wash” Cleaning Additive 377 to two gallons (7.6 liters) of clean water and mix until fully dissolved. Submerge clean sponge into water and wring until damp.
Change sponge and water with cleaning additive every 50 ft² (4.6 m² when using multiple units of SPECTRALOCK PRO Premium Grout or SPECTRALOCK PRO Grout.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout utilize a non-pigmented filler powder that should not stain any tile, such as quarry tile, polished porcelain, glass, other unglazed ceramic tile, and many types of stone. Portland cement grouts use fine color pigments that get trapped in the surface pores of many tiles, and can permanently stain them, or at least make cleanup difficult. This will not happen with SPECTRALOCK PRO Premium Grout or SPECTRALOCK PRO, even with black and other dark grout colors. Please read and follow the SPECTRALOCK PRO Premium Grout or SPECTRALOCK Grout Installation Instructions for installation and cleanup.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are non-sag grouts which produce nice, full joints. These grouts will not sag out of wide wall joints or cove base, and will not flow under floor tile. For large area floor applications, machine grouting is easily accomplished, resulting in full, flush joints installed very quickly and efficiently.
Like cement grout, SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout will be tack free in approximately 4 hours at 70°F (21°C). Each is ready for foot traffic in 12 hours and for normal traffic in 24 hours. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout do not require extended protection time like most 100% solids epoxy grouts, but refer to the data sheets for SPECTRALOCK PRO Premium Grout (DS 681.0) and the SPECTRALOCK PRO Grout data sheet (DS 685.0) for protection guidelines.
If proper cleaning procedures are followed, there should be no film or residue left on the tile that should require additional cleaning steps. SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout do not leave any shiny streaks or film like many 100% solids epoxy products. Its non-pigmented filler powder technology will not stain tile or many types of stone (even black grout on quarry tile). It does not leave any pigment streaks or film like portland cement grouts, and therefore requires less washing. You will be finished with your grout installation faster with SPECTRALOCK PRO Premium Grout or SPECTRALOCK PRO Grout than with other types of grout.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are water cleanable while fresh.
SPECTRALOCK PRO Premium Grout and SPECTRALOCK PRO Grout are suitable for re-grouting applications. Simply remove the existing grout from the joints to a minimum of half the depth of the tile and re-grout with SPECTRALOCK PRO Premium Grout or SPECTRALOCK PRO Grout.

Can I steam clean SPECTRALOCK® PRO Premium Grout or LATICRETE SPECTRALOCK PRO Grout?

SPECTRALOCK^® PRO Premium Grout or SPECTRALOCK PRO Grout can be steam cleaned using low temperature steam cleaners. Industrial-type steam cleaners which generate temperatures exceeding 250˚F (121˚C) are not recommended.

SPECTRALOCK Grout

What is SPECTRALOCK® PRO Premium Grout?

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