ARDEX A 828 is a brilliant white, rapid hardening, plaster for filling, smoothing and finishing interior walls and ceilings.
- Ideal for smoothing and plastering a variety of surfaces, such as – render, concrete, aerated concrete, plasterboard, construction boards
- Can be used as a deep wall filler with all the advantages of a fast setting plaster
- Can fill large surface depressions in walls and ceilings
- Covers old decorative finishes such as ARTEX
- Available in a lemon scent for sensitive installations
- Slump, tension and crack free
ARDEX 828 Conforms to EN 13963: 2014 Jointing Material for Gypsum Boards and A1 in accordance with EN 13501-1
Download the latest datasheets and certificates here;
ARDEX A828 Technical Datasheet (TDS)
ARDEX A828 Health & Safety Datasheet (SDS)
ARDEX A828 Declaration of Performance (DOP)
ARDEX A828 Environmental Product Declaration (EPD)
ARDEX A828 EMICODE Certificate
Mixing ratio
approx. 13 litres of water to 25kg powder is equivalent to approx. 1 vol. of water: 2 vol. of powder.
Bulk density
approx. 1.0kg/litre
Mortar weight when freshly mixed
approx. 1.5kg/litre
Material requirement
approx. 1.0kg powder per m²/mm
Working time at 20°C
approx. 30 minutes
Painting and pasting work
after drying
Ball pressure hardness after 28 days
approx. 9 N/mm²
Tensile bending strength after 28 days
approx. 4 N/mm²
pH-Value
approx. 8
Embodied carbon
(A1-A3 production stage as defined in BS EN 15804)
0.49 kg CO₂ eq/kg