VELOSIT® SL 502
Universal Self Leveling Underlayment
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 3 mm (1/8”) to 38 mm (1 ½“)
- Self leveling screed
- Floor heating systems
- As a binder for terrazzo floors
Properties:
- Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
- Excellent flow with long slump 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 16 hours
- 30 – 40 Min. working time and 16 MPa (2340 psi) compressive strength after 4 hours
- Final strength of more than 50 MPa (7250 psi) after 28 days
- Meets the requirements of EN 13813 class CT-C50-F7
- Open to foot traffic after 3 hours
- Excellent adhesion to properly prepared concrete
- Good resistance against CO2 and Chloride penetration duets a very tight pore structure
- Excellent water resistance, no strength loss under water
- Good weathering resistance
- Good sulfate resistance
- Colors: Light gray, gray, anthracite
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Technical Data Sheet Environmental Product Declaration - EPD Safety Data Sheet License EMICODE Prospect High Performance Floors Prospect Decorative Flooring Systems