THICK BED MORTARS
Item #MSI
MSI (MUD SET INSTALLATION) ANSI A108.1A, ANSI A108.1B Thick Bed Mortar
PROFLEX ® MSI is a fiber reinforced Portland cement-based thick bed mortar that is specifically formulated to control shrinkage. MSI is designed to be used in conjunction with PROFLEX ® elastomeric crack-isolation membranes, PROFLEX ® polymer-modified thinset mortars meeting ANSI A118.11. These components work together to ensure a superior bond of tile and stone finish surfaces unmatched by other manufacturers. This system is designed to assist installers that are installing larger tile and stone, as well as ungauged stone, slate, marble, and granite (not water sensitive stones). Designed installation from 1/2” up to 4" over PROFLEX ® membranes. The system can be applied to floors, countertops, and sloped shower floors.
Advantages: • Meets and exceeds ANSI A108.1A and ANSI A108.1B • High strength bond for large format tile and stone installations • Consistent performance, single-component • Interior & exterior uses • Approved over PROFLEX ® membranes Uses:
PROFLEX ® MSI is a system of products to be used for installing large format tile and stone. It is specially formulated to control shrinkage of a thick bed mortar. This system is designed to assist installers that are installing larger tile and stone as well as ungauged stone, slate, marble, and granite (not water sensitive stones). Designed to go up to 4” over the PROFLEX ® membranes. The system can be applied to floors, countertops, and shower floors. Packaging: 50 lb. bag, 56 bags per pallet Working and setting times will vary based on humidity: Coverage: 7 sq. ft. at 1” thickness.
Working Time
30-40 minutes
Do not exceed 4” thickness without expressed written permission from PROFLEX ®
Initial Set
3-7 hours
Final Set
14 hours
4015 psi, 7 days 7950 psi, after 30 days
Compressive Strength
*Coverages are approximate.
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