SIKACeram 250 Starfix - 20kg White
SIKACeram 250 Starfix - 20kg White
SikaCeram®-250 StarFix is a premium cementitious, normal setting, deformable, and frost-resistant floor and wall tile adhesive. Engineered with a blend of Portland cement, selected aggregates, and re-dispersible polymer, it features reduced slip and an extended open time. This highly versatile adhesive is suitable for bonding ceramic, porcelain, marble, and natural stone tiles to both absorbent and non-absorbent substrates across residential, industrial, and commercial wet and dry environments.
👷♂️ The Master Tiler's Verdict
"For demanding jobs like underfloor heating systems or overlaying existing firmly fixed interior ceramic tiles, SikaCeram-250 StarFix is incredibly reliable. The S1 deformability handles thermal movement beautifully, and the extended open time combined with a 4-hour pot life gives you the breathing room needed for complex large-format layouts without the mix drying out too fast."
Pro Trade Tip: For tiles greater than 900 cm² (e.g., 30x30 cm), always use the double-spreading (buttering) technique to ensure 100% complete and uniform contact with the adhesive. When mixing, avoid over-mixing to minimise air entrainment; use a low speed electric single paddle mixer (300-400 rpm).
Why Irish Trade Professionals Choose SikaCeram®-250 StarFix
- Certified High Performance: CE Marked and holds an EN 12004 Declaration of Performance classification of C2 TE S1.
- Maximum Versatility: Ideal for bonding earthenware, glazed, porcelain, stoneware, terrazzo, and unglazed tiles across balconies, bathrooms, kitchens, terraces, and heated floors.
- Superior Workability: Delivers a smooth application with an extended open time (≥ 0,5 N/mm² after 30 minutes) and a generous pot life of approximately 4 hours at +20°C.
- Structural Integrity: Frost resistant, deformable (transverse deformation ≥ 2,5mm to EN 12002), and features reduced slip (≤ 0,5mm to EN 1308) for excellent vertical grab.
- Eco & Safety Compliant: Classified with a GEV-Emicode EC1PLUS rating for very low VOC emissions.
Technical Specifications
| Technical Property | Specification Detail |
|---|---|
| Chemical Base | Portland cement, selected aggregates, water retention additives, re-dispersible polymer |
| EN Classification | EN 12004: C2 TE S1 |
| Mixing Ratio | 6.0 L of water per 20 kg bag (30% ± 1%) |
| Pot Life | ~4 hours at +20°C |
| Open Time | ≥ 0,5 N/mm² after 30 minutes (EN 1346) |
| Ready for Grouting | ~24 hours indoors / ~48 hours outdoors |
| Application Temperatures | +5°C min. / +35°C max. (Ambient & Substrate) |
| Layer Thickness | 1 mm to 5 mm max |
| Approx. Consumption | 6mm trowel: ~2,1 kg/m² | 8mm: ~2,6 kg/m² | 10mm: ~3,1 kg/m² |
| Appearance & Density | Grey powder | Fresh mortar density: ~1,6 kg/l |
| pH Level | Approx. 11 (Concentration: 50%) |
📄 Safety & Technical Documentation
Access official manufacturer documentation for site compliance, QA audits, and architectural specifications instantly:
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