Verified by manufacturer 6 months ago
Screed A Steeldeck
BBA Agrément Certificate
Certificate type
Free flowing, anhydrite self compacting floor screed.
Topflow Screed A is manufactured with a synthetic anhydrite binder in place of cement and is pump applied due to its fluid consistency. It is easier to install, covering areas of up to 2000 m² per day.
Features and benefits:
Screed thickness:
Topflow Screed A Steeldeck:
Topflow Screed A Sky
Topflow Screed A Excelio
Topflow Screed A XTR:
Topflow Screed A Soundbar:
Topflow Screed A Thermio +:
Color | White Guidance for specification option: Off-white. |
Finish | Smooth |
Material | Calcium sulphate Guidance for specification option: Gypsum with anhydrite binder. |
Shape | Formless Manufacturer guidanceFormless. |
Uniclass | |
CAWS | M13/120 Proprietary self smoothing levelling screeds |
Form | Ready mixed. |
Mix | Gypsum (calcium sulfate) with anhydrite binder. |
Appearance | Off-white fluid mortar. |
Water | Demand, 13–18% b.w. |
pH | >10. |
Density | 2200 kg/m³ (wet), 2000 kg/m³ (dry). |
Compressive strength - 28 days | To BS EN 13813, C25. |
Flexural strength | To BS EN 13813, F4. |
Thermal expansion | 0.012 mm/mK (minimum). |
Drying time | 40 days. Guidance for specification option: Or sooner with force drying (available after only seven days). |
Surface finish | To BS 8204, SR2. |
Fire resistance | To BS 476-4, Non-combustible. |
Material | Calcium sulphate Guidance for specification option: Gypsum with anhydrite binder. |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 60.29 kg CO₂ eq/m³ Self declared |
Recyclability | 98% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 36 % |