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Multi-Lite Polymer Modified Light-Weight Mortar is a unique super polymer-modified and multi-purpose cement mortar utilizing new nanotechnology. Our Multi-Lite technology is approximately 40% lighter than conventional mortars while providing the same coverage as 50 pounds of traditional mortars. This product is designed for installing all types of tiles over a variety of substrates. Multi-Lite may be used for either floors or walls in both interior and exterior applications. Use Multi-Lite where a Latex-Portland cement mortar is required to meet the most demanding installations and to closely follow ANSI 118.4 and ANSI 118.11 specifications.
INSTALLATION
SURFACE PREPARATION
WARNING
The product is alkaline upon contact with water. Use paddle for mixing to avoid splashing into eyes or contact with skin. During mixing or application avoid contact with eyes. In case of such contact, flood eyes repeatedly with water and CALL A PHYSICIAN. Wash thoroughly after handling and before smoking or eating. Do not take internally. CONTAINS FREE SILICA — DO NOT BREATHE DUST. Prolonged exposure to dust may cause delayed lung disease (Silicosis).
WARNING: This product may expose you to chemicals, including silica, which the State of California recognizes as a cause of cancer. For more information, visit the Proposition 65 Warnings Website (www.P65Warnings.ca.gov). Use NIOSH approved masks at all times to handle silica dust. KEEP OUT OF REACH OF CHILDREN.
MIXING
Add Multi-lite mortar powder to approximately 6-½ quarts (6.14 L) cool, clean potable water per 30 lbs. (13.62 kgs.) bag. Machine mixing with a slow speed drill and mixing paddle is preferred (250—350 RPM). Higher speeds are not recommended and will entrain air. Mix the two (2) components together thoroughly until smooth. The proper consistency is obtained when the mortar is applied with the notched trowel to the substrate and the ridges formed do not flow or slump. Allow the mortar to slake for five (5) minutes, and then remix before use. Do not add any additional water, latex, or powder after the mortar has slaked. Re-mix mortar occasionally during use and discard after initial set in the bucket.
APPLICATION
Detailed installation procedures may be found in TCNA handbook and ANSI 108.5. All materials and effected areas should remain above 50°F / 10°C (fifty degrees Fahrenheit / ten degrees Celsius) or below 100°F / 38°C (100 degrees Fahrenheit / 38 degrees Celsius) 24-hours prior and 72-hours after placement. Apply mixed mortar liberally with the flat side of the trowel, using sufficient pressure to key into the substrate; then apply additional mortar with the notched edge of trowel leaving enough mortar to give 100% coverage with the back of the tile. Place tile while the surface is wet and tacky and spread mortar over an area no greater than can be covered with tile before the mortar skins over. Place tiles with a twisting motion and beat lightly before the initial set takes place to fully embed in the mortar. Mortar that has formed a skin should be re-troweled before applying tile. Some irregular tiles may require back buttering. During the setting of tile, it is recommended to periodically remove a tile and check to see that sufficient transfer of mortar is being attained. Industry standards require a minimum of 3/32″ (2 mm) mortar thickness after beat in. Do not adjust tiles after they have been set more than 10 to 15 minutes.
NOTE: It is suggested that a mock-up for the evaluation of surface preparation techniques and application be done by applying 3—4 tiles and bonding mortar from the actual installation. These tiles should be left to cure for 3—7 days and then removed to determine if an adequate bond has been obtained before commencement of the installation.
LIMITATIONS
Do not use Multi-lite as a thick-bed mortar. Not for use with glass tiles; use Floor / Wall 727 gauged with Southcrete™ 28 Flexible Mortar Admix. Mechanical fasteners may be required for some heavy tile and dimension stone, consult the manufacturer. A ¼” gap shall be left around vertical abutments to allow for structural movement and filled with appropriate Elastomeric sealant.
CLEANING
Water is all that is required to remove uncured mortar.
CURING AND GROUTING
The minimum cure is reached in 12—24 hours. The setting may vary according to atmospheric conditions. Normal grouting should be done 48 hours later.
COVERAGE
Approximately:
SHELF LIFE
Up to one (1) year from date of manufacture in unopened properly stored container.
MAINTENANCE
None required.
Product Information Sheet – English
SDS: