Sika Level 250
Self-Levelling Cementitious Floor Smoothing Compound for Interior Concrete and Screed Floors
Authorized Project Distributor — Sika India | Space Arc Engineering, Ghaziabad
Product Overview
Sika Level 250 is a factory-blended, one-component, self-levelling floor smoothing and levelling compound for interior concrete and screed substrates. When mixed with water and poured onto an interior floor, Sika Level 250 flows and self-levels by gravity to produce a uniformly flat, smooth surface with a maximum tolerance deviation of approximately 3 mm under a 2 m straight-edge after curing — suitable as a preparation coat before the application of tile adhesive, vinyl sheet, carpet, or floor coatings. The polymer modification of Sika Level 250 provides enhanced adhesion to diverse floor substrates (concrete, sand-cement screed, anhydrite screed, terrazzo, quarry tiles in sound condition) compared to standard unmodified cementitious smoothing compounds, and improves the flexibility and durability of the cured compound layer to resist cracking under foot traffic. Sika Level 250 can be applied in layer thicknesses from a minimum of 2 mm to a maximum of approximately 30 mm in a single pour without sagging or cracking — the self-levelling flow characteristic means it fills low spots and undulations in the floor substrate without trowelling, which is a major labour-saving advantage on large commercial and retail floors where manual screeding of large areas with a straightedge is slow and physically demanding. Initial foot traffic on Sika Level 250 is possible within 4 hours at 25 degrees C, allowing rapid progression of subsequent trades and floor covering installation on fast-track construction programmes. Sika Level 250 is suitable for installation over underfloor heating systems provided the appropriate priming and installation procedures are followed. Space Arc Engineering supplies Sika Level 250 for commercial buildings, retail fit-out, hotel renovation, residential apartments, and industrial floor preparation projects throughout Delhi NCR and Uttar Pradesh.
Applications
- Smoothing and levelling concrete floor slabs in commercial buildings before tile or vinyl installation
- Preparation coat on sand-cement screed floors for carpet, vinyl, or epoxy coating application
- Floor levelling in renovation and fit-out projects over existing floor substrates
- Levelling floor areas with undulations, surface defects, or tile removal scars before new floor covering
- Installation over underfloor heating pipes — level pour to embed heating elements
- Industrial facility floor preparation before resin floor system application
Key Advantages
- Self-levelling — flows by gravity to a flat, smooth finish without manual trowelling
- Rapid foot traffic in 4 hours at 25 degrees C — fast-track construction programme compatible
- Wide application thickness range 2 to 30 mm — fills deep low spots and thin undulations in one pour
- Good adhesion to concrete, screed, and most sound existing floor surfaces
- Compatible with most floor coverings — tiles, vinyl, carpet, resin coatings
- One-component powder — add water only, consistent performance, no batching errors
Technical Data
| Type | One-component polymer-modified self-levelling cementitious floor compound |
| Application Thickness | 2 mm to 30 mm per pour |
| Mixing | Add to clean water — typically 5.5 to 6.5 litres per 25 kg bag |
| Foot Traffic | Approximately 4 hours at 25 degrees C |
| Floor Covering Installation | After approximately 24 hours at 25 degrees C (depending on covering type) |
| Surface Finish | Smooth, flat — maximum 3 mm deviation under 2 m straight-edge |
Get a Quote
+91 9999155255 | info@space-arc.com | Space Arc Engineering, Sahibabad, Ghaziabad
Frequently Asked Questions
Does Sika Level 250 require primer before pouring on a concrete floor and how is primer applied?
Yes, priming of the concrete substrate before Sika Level 250 application is mandatory in all cases. Without primer, the following problems occur: Rapid water absorption: unprimed concrete, particularly freshly prepared or porous concrete, absorbs water from the Sika Level 250 mix very rapidly after pouring. This reduces the water content of the flowing compound from the bottom up, causing the compound to stiffen and stop flowing before it has levelled, resulting in ridges and uneven surface rather than a level finish. Adhesion failure: the absence of primer allows the self-levelling compound to shrink slightly away from the substrate during drying, creating a hollow-sounding, poorly bonded layer that will crack and delaminate under foot or wheel traffic loads. The primer to use with Sika Level 250 is Sika Primer MB (or the Sika-recommended primer for the specific substrate — check the Sika Level 250 TDS for current primer recommendations). Primer application procedure: dilute the primer with clean water at the ratio specified in the TDS for the specific substrate type (porous concrete typically requires a more diluted primer coat than dense concrete). Apply the diluted primer uniformly to the clean floor surface by brush, roller, or floor-coating squeegee. Allow the primer to dry until it is just tacky (not wet) before pouring Sika Level 250 — typically 30 to 90 minutes at 25 degrees C depending on the primer dilution and substrate porosity. On highly porous or absorbent substrates, two primer coats may be needed. On non-absorbent substrates (smooth power-floated concrete, terrazzo, tile), apply an undiluted primer coat and allow to dry until tacky. Pour Sika Level 250 while the primer is still tacky — do not let the primer dry fully and lose its tack before pouring, as this reduces adhesion.
Source Sika Level 250 for Your Project
Space Arc Engineering is an Authorized Project Distributor for Sika India serving Delhi NCR, Ghaziabad, Noida and Uttar Pradesh.