VELOSIT® SL 503
High Strength Self Leveling Overlayment
VELOSIT SL 503 is a cementitious self leveling polishable overlayment for concrete floors. It creates an abrasion resistant smooth surface.
Typical applications:
- Interior and exterior floors-Polishable
- Leveling of concrete slabs and floors as a finished surface
- Repair of surface defects on concrete floors
- Application thickness from 1/8” (3 mm) to 1 ½“ (38 mm). 5″ ( 13 cm) when extended with aggregate
Properties:
- Minimal shrinkage/expansion under dry/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 foot traffic after 3 hours, for forklift traffic after 16 hours.
- 30 – 40 min. working time and 2900 psi (20 MPa) compressive strength after 4 hours
- Final strength of more than 8700 psi (60 MPa) after 28 days
- Excellent adhesion to properly prepared concrete
