Cementitious screeds, underlays and repair mortars
Every resin floor needs a sound, level base. Hychem's Velosit range covers self-levelling underlays (SL502, SL503, SL505), a flowable screed ready for flooring in 24 hours (SC244), and repair mortars from feather-edge to 100 mm (RM203) and 6–100 mm structural repairs (RM205, Class R4).
- Hychem TerrazzacreteCustomisable polished concrete overlay, UV stable and hard-wearingView system Data sheetFast cureUV stable
- Velosit RM203Repair Mortar For 1 – 100 mmView system Data sheetFast cure
- Velosit RM205Structural Concrete Repair Mortar R4View system Data sheet
- Velosit SC244Rapid Flowable ScreedView system Data sheetFast cure
- Velosit SL502Ultra-high strength cementitious self-levelling underlayView system Data sheetFast cure
- Velosit SL503High Strength Self Leveling OverlaymentView system Data sheet
- Velosit SL505White High Strength Self Leveling OverlaymentView system Data sheet
Standards that apply
| Standard | Title | What it means for the floor |
|---|---|---|
| EN 1504 | Products and systems for the protection and repair of concrete structures | Classes repair mortars; Velosit RM205 is a Class R4 structural repair mortar. |
Which product holds which certificate: certifications and approvals.
FAQs about cementitious screeds, underlays and repair mortars
How soon can a coating go on the screed?
Velosit SC244 is ready to receive flooring systems within 24 hours.
Can it be used outside or under water?
Velosit SL502 is suitable for interior and exterior use and for permanently immersed applications.
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Specification service
Not sure which system?
Tell us the substrate, the traffic and the service conditions — we recommend the build-up and write the specification.