ARDEX A 826 is a brilliant white, rapid hardening, ultra-fine plaster for the smoothing and finishing of interior wall and ceiling surfaces. ARDEX A 826 creates a true feather finish for walls and ceilings.
- Ideal for ultra-fine skim coats
- One coat single application
- Paint in as little as 1 hour
- Sanding not required, can be sponge finished
- Can also be used to fill joints between plasterboards on walls and ceilings
- Shrinkage compensated, will not crack or craze
- Brilliant White
- Apply from feather edge to 10mm
ARDEX 826 Conforms to EN 13963: 2014 Jointing Material for Gypsum Boards and is A1 in accordance with EN 13501-1
Download the latest datasheets and certificates here;
ARDEX A826 Technical Datasheet (TDS)
ARDEX A826 Health & Safety Datasheet (SDS)
ARDEX A826 Declaration of Performance (DOP)
ARDEX A826 Environmental Product Declaration (EPD)
ARDEX A826 EMICODE Certificate
Mixing ratio
approx. 16ltr water: 25kg powder is equivalent to approx. 1 vol. of water: 2 vol. of powder
Surface dry
1-2 hours
Standing time
2-3 minutes
Working time
approx. one hour
Maximum thickness
10mm
Bulk density
approx. 0.8kg/ltr
Mortar weight when freshly mixed
approx. 1.5kg/ltr
Ball Pressure Hardness
approx. 8 N/mm² after 28 days
Tensile Bending Strength
approx. 4 N/mm² after 28 days
pH value
approx. 8
Embodied carbon
(A1-A3 production stage as defined in BS EN 15804)
0.49 kg CO₂ eq/kg