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Proflex MSC 90




 MSC is designed for full coverage crack suppression and sound control. PROFLEX™ MSC 90 is specially designed to be used under approved thin sets, mortars, and adhesives for interior and exterior applications of ceramic tile, stone, and brick, and for interior applications of wood flooring to eliminate the transmission of cracks and to reduce sound transmission. Other applications also may be suitable. To eliminate cracks in finished floor work, the product should be applied to the entire substrate prior to the installation of the finished flooring for crack suppression.


PROFLEX™ MSC 90 is a 90 mil composite underlayment consisting of a rubberized membrane laminated to a high strength reinforcing fabric on the face and a siliconized release sheet on the adhesive side.


Proflex MSC 90

Primer PR-11 One Gallon Covers​​

  • PROFLEX™ PR-Series of primers are necessary companion products to be used with the Proflex™ series of elastomeric membranes.

  • SUTIABLE SURFACES: Concrete (Poured,Prestressed, Precast) Concrete Backerboards Cured (Mortar Beds, Self Leveling Compounds, Gypcrete) Wood (Exterior Grade Plywood, Hardwood, Toungue and Groove, OSB)

  • COVERAGES, PACKAGING: Coverage between 300-800 sq.ft per gallon Weight 10 lb.

Proflex MSC 90

  • Easy and fast to install with standard tools Ready for tiling immediately after installation

  • Crack and joint isolation up to 3/8″ Crack Suppression Sound Control Moisture Vapor Protection up to 5# per 1000 sq.ft/24 hr 

  • 100 sq.ft. per roll 3′ x 33.3′ roll boxed Weight 57 lb.

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