Armstrong A6206161 Installation Guide
Contents
1. CeraRoma Groutable Tile Installation Installation Systems Vinyl Tile CeraRoma Groutable Tile Installation Subfloors Adhesive S 288 Installation CeraRoma Groutable Tile Installation System Pattern Match Seams Fittings Special Recommendations and Precautions General Information and Guidelines for CeraRoma Groutable Tile CeraRoma Groutable Tile is designed to be installed as a grouted installation using a premixed sanded acrylic grout having good flexural strength and adhesion properties It may also be installed without grout The choice is yours In either case the floor is installed using Armstrong S 288 Flooring Adhesive If using grout tiles should be laid with a grout joint spacing of 1 16 to 1 4 utilizing tile spacers designed for this purpose Because of the rounded edges the appearance of the finished grout joint will be 1 16 wider than the actual tile spacing Due to the floor s large format and increased thickness care is required in handling and storage to keep the product from becoming damaged or distorted Always store the product on a flat surface Temperature control and subfloor flatness are important in the prevention of raised or curled edges and performance of the grouted joints Maintain the temperature of the room subfloor tile and adhesive at a minimum of 65 F 18 C and a maximum of 85 F 29 C for 48 hours prior to installation during installation and 48 hours after installation Main2. apor emission levels must not exceed 5 Ibs 1000 sq ft 24 hrs as determined by calcium chloride tests If moisture transmission levels exceed the recommended limit the concrete must be allowed to dry prior to installing the floor Radiant heated substrates must not exceed a maximum surface temperature of 85 F 29 C Warning Existing In Place Resilient Floor Covering and Asphaltic Adhesives Do not sand dry sweep dry scrape drill saw beadblast or mechanically chip or pulverize existing resilient flooring backing lining felt asphaltic cutback adhesive or other adhesive These existing in place products may contain asbestos fibers and or crystalline silica Avoid creating dust Inhalation of such dust is a cancer and respiratory tract hazard Smoking by individuals exposed to asbestos fibers greatly increases the risk of serious bodily harm Unless positively certain that the existing in place product is a non asbestos containing material you must presume it contains asbestos Regulations may require that the material be tested to determine asbestos content and may govern removal and disposal of material See current edition of the Resilient Floor Covering Institute RFCI publication Recommended Work Practices for Removal of Resilient Floor Coverings for instructions on removing all resilient floor covering structures or contact your retailer or Armstrong World Industries Inc 1 800 233 3823 The floor covering in this packag
3. ble Tile installation as they are too harsh and will degrade most premixed acrylic grouts Replace wall base and trim moldings Tile may be walked on immediately However do not expose the floor to heavy rolling load traffic for an additional 72 hours after the installation Use pieces of hardboard or underlayment panels to protect the floor when moving heavy furniture and appliances back into the room
4. e does NOT contain asbestos Layout Before installing CeraRoma plan the layout so tile joints fall at least 6 away from subfloor underlayment joints Do not install over expansion joints When installing over existing resilient sheet or tile flooring plan the layout to avoid new joints falling near the joints in the existing flooring Using the most prominent walls in the room find the center point in the room Divide the room into equal quadrants by making two perpendicular lines on the subfloor intersecting at the center point Starting from the center point and whether by measurements or by doing a dry layout of the tiles with proper grout joint spacing determine the distance between the last full tile and the perimeter walls and cabinets A balanced layout will result in border tiles being 8 or greater for the 16 x16 tiles If the border pieces are less than 8 wide particularly at the prominent walls you will need to shift the starting point in the middle of the room 1 2 the dimension of the tile 8 for a 16 x16 tile to balance the layout After balancing the layout make two new perpendicular lines on the subfloor intersecting at the new starting point near the center of the room Procedure To install CeraRoma apply Armstrong S 288 Flooring Adhesive the fine notching of the Armstrong S 891 trowel Notching is 1 32 deep 1 16 wide and 5 64 apart Apply adhesive to 1 4 or 2 of the room area at on
5. e time so you can begin the installation where the guidelines intersect Allow adhesive to set until dry to the touch as recommended on the adhesive label The adhesive must be tacky to the touch without transfer to fingers when ready for bonding Allow 30 minutes or more depending on the temperature humidity and air flow in the room Do not use fans directly on the adhesive substrate to accelerate drying Install the tile along the chalk lines using tile spacers to maintain the desired grout joint width Lay the field area first in step fashion Do not use tile spacers if you do not plan to grout the installation Do not slide the tile into place Press the tile firmly into the adhesive Note Tile spacers do a very good job of maintaining tile alignment However the installer should also re check for proper alignment by using measurements or creating additional lines on the subfloor about every 4 3 rows of tile to ensure straight lines and rows of tile Cut and fit the border tile at the perimeter Use mechanical tile cutters or the score and snap method of using a utility knife to score through the wear surface Be sure to allow for the grout joint and a 1 8 gap at perimeter walls when cutting the border pieces For irregular cuts make a pattern out of kraft paper or cardboard and transfer it to the tile Score along the markings and snap off small pieces Ceramic tile nippers or a coping saw are useful in making more intricate cutouts f
6. ng agents and sealers Substrates must be flat Variations in flatness must not exceed 1 16 in 1 or 3 16 in 10 Fill low areas in the substrate with S 194 Patch Underlayment amp Embossing Leveler S 195 Underlayment Additive Suspended wood subfloors and underlayments must have a total thickness of 1 anda minimum 18 well ventilated air space below Joist spacing should be on 16 centers to minimize subfloor deflection When going over single layer existing resilient flooring use S 199 One Part Embossing Leveler or S 194 Patch Underlayment amp Embossing leveler S 195 Underlayment Additive to fill and smooth any embossing in the old floor In renovation or remodel work remove any existing adhesive so that no ridges or puddles are evident and what remains is a thin smooth film When installing over single layer existing resilient flooring use S 199 One Part Embossing Leveler or S 194 Patch Underlayment amp Embossing Leveler S 195 Underlayment Additive to fill and smooth any embossing in the old floor Remove wall base and trim moldings should be removed prior to the installation and replaced after the installation is complete Undercut doorframes optional to allow the tile to slip underneath and make fitting around doorframes easier Leave a 1 8 gap should be left between the tile and vertical surfaces such as walls and cabinets Cover the gap after floor is installed with wall base or moldings Concrete subfloor water v
7. or complicated fitting Spread adhesive in remainder of room allowing proper time to dry Finish installing the tile as recommended above Remove tile spacers Roll entire floor with a 100lb roller Roll floor diagonally across the tile joints in both directions Use a hand roller in confined areas such as under the toe kicks Grouting Grouting may be done immediately Grouting can also be completed the following day A premixed sanded acrylic grout with good flexural strength and adhesion is recommended Traditional cement grouts are not recommended with CeraRoma and should not be used Verify that all tile edges are firmly seated in the adhesive before starting the grouting process Follow the application instructions as specified on the grout container working small sections of the floor at a time Use a hard epoxy grout float to apply the grout Do not spread the grout over the entire surface of the tile as is customary with some ceramic tiles Apply the grout and pack it down only in the immediate area of the open joints to minimize cleanup Hold the float in almost vertical position and strike off excess grout pulling the float diagonally across the joints Do not allow grout to dry hard on the face of before starting cleanup Clean Up Use two buckets of clear cool water with sponges during the first cleanup Use firm square edged cellulose sponges for cleaning grout residue from the tile without pulling exce
8. ssive grout from the joints Use the first bucket and sponge to loosen the grout on the face of the tile and pick up most of the residue Use the second bucket and sponge for final removal of the residue and for smoothing the joints Hold the sponge flat and wipe diagonally across the joints Do not allow the rinse water to accumulate in the adjacent ungrouted joints Note If grout sponges alone are not sufficient to clean the face of the tile use a white 3M pad with light pressure may be used Do not overwork the grout during the cleanup or it will result in shallow joints It is normal to have a slight grout haze remaining after the initial cleanup It will be removed in the final cleanup after the grout joint has completely dried Traffic should be kept off the installation until the grout has completely dried usually a minimum of 24 hours After the grout joints have dried and hardened Use properly diluted Armstrong Once n Done Resilient amp Ceramic Floor Cleaner and a white 3M pad to remove the slight haze of grout residue that remains Use two buckets of clear cool water Pick up residue with a clean damp sponge using bucket one Use bucket two and sponges for final rinse and cleanup Buff dry with a soft cloth Replace wall base and trim moldings Do not use solvents or grout haze removers Do not use Armstrong New Beginning Floor Stripper or other floor strippers for cleaning the grout or maintaining the CeraRoma Grouta
9. tain a minimum room temperature of 55 F 13 C thereafter CAUTION Do not use high temperature heat sources to aid in cutting or making the tile conform to irregularities in the substrate Multi layered engineered tile structures such as CeraRoma can warp or curl after significant heating from sources such as hot plates and heat guns Condition the room and all flooring materials to the temperature guidelines stated above If you must warm the tile always heat from the back and limit the temperature of the tile to warm conditions less than 110 F 43 C Suitable Substrates All substrates listed below must be properly prepared and meet certain requirements Refer to www floorexpert com for more details Concrete on all grade levels Approved suspended wood underlayments Most single layer fully adhered existing resilient floors on approved subfloors and underlayments Ceramic tile terrazzo marble Polymeric poured seamless floors Do not install over Particleboard waferboard OSB or single layer STURD I FLOOR panels Existing resilient tile floors that are on grade or below grade Existing cushioned vinyl flooring Carpet Hardwood flooring that has been installed directly over concrete Job Conditions Preparation Substrates must be sound dry clean smooth and free from excessive moisture or alkali Remove dirt paint varnish wax oils solvents and other foreign matter that would interfere with a good bond such as curi
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