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Gypsum Concrete Self Leveling Underlayment
YY-101 (Type I/II)

YY-101 is a premium gypsum-based, self-leveling underlayment with enhanced flexural strength, ensuring resistance to cracking and the provision of a remarkably smooth, hard surface for use in dry, interior residential and commercial areas. Ideal for various floor coverings, YY-101 serves as an excellent substrate, while also being suitable for covering radiant or in-floor heating systems.
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Ø Resists cracking or shrinking
Ø Provides smooth surface for floor-covering installations

Ø For repairing and smoothing properly primed, existing gypsum underlayment,concrete sub floors and approved wood underlayment before installation of floor coverings
Ø Interior residential (rental apartments, condominiums and homes)
Ø Interior commercial (office buildings, hotel rooms/hallways and restaurant dining areas)
Ø Interior heavy commercial (hotel lobbies, convention centers, airports and department stores)
Ø Interior institutional (hospitals, schools, universities, libraries and government buildings)

Status | Single component |
Water Ratio | 45% |
Density of dry mortar | ≈1.4kg/L |
Density of freshly mixed glue | ≈1.5kg/L |
Working time | 20-30min |
Time of upper finishing | 90 minutes |



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