VELOSIT SL 502 is a cementitious self leveling underlayment for concrete substrates. It creates a very smooth surface for coatings and floor coverings.
Typical applications:
Interior and exterior use
Suitable for permanently water immersed applications
Leveling of concrete slabs and floors
Cosmetic repair of surface defects on concrete floors
Structural repair of concrete
Application thickness from 1/8” (3 mm) to 2“ (50 mm). 5″ (13 cm) when extended with aggregate
Self leveling screed
Floor heating systems
Properties:
Minimal shrinkage/expansion under dry or wet curing conditions minimizing the risk of micro-cracking
Excellent flow with long pot life
Smooth surface profile
Fast air release with minimal requirement for agitation
Ready for covering with ceramic tiles after 4 hours, for moisture sensitive floor coverings after 12 hours.
30 – 40 min. working time and 2340 psi (16 MPa) compressive strength after 4 hours
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