ARDEX K 71 is a cement-based compound for resurfacing concrete floors to create a hard, smooth, flat wearing surface or base for coatings.
It incorporates the unique ARDEX ‘Rapidry Formula’ which chemically binds the mixing water, allowing it to dry rapidly while developing high strength.
Mixed with water, ARDEX K 71 is a fluid self-leveling mortar which can be applied by pump or hand trowel at an application thickness from 3-30mm neat, or up to 50mm incorporating aggregate.
Features:
- For application depths between 3-30mm neat
- 10-30mm with ARDEX Coarse Aggregate
- 30-50mm with pea shingle
- Pump or hand applied
- Rapid drying
- Foot traffic after 2-3 hours
- Final floor covering installed after 1-7 days in normal conditions
- Ideal for correcting highly irregular substrates
- Low alkalinity
- Casein-free
- Low emissions
Uses:
For levelling bonded, unbonded and floating substrates:
- Concrete
- Sand/cement screeds
- Anhydrite screeds
- Wooden boards
- Under-floor heating/warming
- Insulation boards
- Existing tiles
- Bitumen
Coverage:
A 25kg bag using 4.75 litres of clean water will yield approximately 4.7m² at 3mm thickness.
For aggregated mixes, a 25kg bag mixed with equal volume of ARDEX Coarse Aggregate covers approximately 2.39m² at 10mm or 0.95m² at 25mm thickness. With pea shingle, it covers approximately 0.75m² at 30mm or 0.45m² at 50mm.
Allow for extra material on rough or uneven surfaces.
| TECHNICAL DATA |
| Working time at 20°C |
Approximately 25 minutes |
| Weight of fresh mortar |
Approx. 2.1kg/litre |
| Walkability at 20°C |
After approx. 2 hours |
| Wear resistance |
The wear resistance of ARDEX K 71, when measured in accordance with BS 8204, was rated as at least AR0.5 |
| Resistance to chair castors |
Yes |
| Suitable for underfloor heating? |
Yes |
| Bulk density |
Approx. 1.4kg/litre |
| Fire Rating (EN 13813) |
A1 |
| Compressive Strength |
| 1 day |
10 N/mm2 |
| 28 days |
30 N/mm2 |
| Flexural Strength in accordance with EN 196 |
| 1 day |
3.0 N/mm2 |
| 28 days |
7.0 N/mm2 |
| Ready to receive floorings and coatings under good conditions at 20°C |
| Up to 10mm |
After 12 hours |
| Up to 20mm |
After 24 hours |
| 20 – 50mm |
After 48 hours |
Note: It is important that, where application thickness varies, the time allowed for curing and drying allows for the maximum thickness of application.
Please see our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.
Delivery Timescales
We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.
Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.
Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details).
Delivery Communications
We aim to dispatch and deliver all our products within their specified time frames. You will get notified by BaseTec via email when your products have been dispatched. This will include details of your order and the expected delivery time. BaseTec will contact you via email or phone if there are any delays in picking your order or after dispatch.
If any products are out of stock or unavailable at the time of ordering, the BaseTec team will contact you by phone or email to discuss your options.
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