NBS Source
Ardex K 40 Rapid Drying High Flow Levelling And Smoothing Compound

Application

For levelling and smoothing most new and existing internal subfloors including, concrete, cement/ sand screeds, anhydrite screeds, stone, terrazzo and ceramic tiles, and suitable timber floors.

Description

Rapid drying high flow levelling and smoothing compound that once mixed can be applied from 2 to 20 mm.


Features and benefits:

  • Walkable in two hours.
  • Install resilient and timber floorcoverings in six hours.
  • No patching or rubbing down the next day.
  • Helps eliminate trowel marks, ridges and imperfections.
  • Suitable for underfloor heating.
  • Rapidry formula, dry in 6 to 24 hours depending on thickness.

General information

Color

Grey

Finish

Smooth

Material

Fibre-reinforced

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_35_31_06_80 Smoothing and levelling underlay compoundsPrimary

CAWS

M50/65 Laying coverings

M50/25 Carpeting

M50/10 Resilient floor tiling

M50/20 Sheeting

M50/15 Carpet tiling

M40/12 Mosaic to

M50/460 Smoothing/ levelling underlayment compound

M50/150 Sheeting

M50/170 Carpeting

M50/130 Carpet tiling

M40/460 Smoothing underlayment

M40/120 Mosaic to

M40/110 Tiling to

M10/160 Proprietary self smoothing levelling screeds

K21/10 Wood laminate flooring

K21/20 Composite laminated flooring

M40/5 Tiling to

M50/110 Resilient floor tiling

K21/146 Laminate flooring

K21/145 Composite laminate flooring

K21/115 Wood laminate flooring

Specification data - Smoothing and levelling underlay compounds Enhanced data

Material

Fibre-reinforced.

Primer

All surfaces must be primed to maximise the working time, maintain the flow life, and prevent air bubbles rising through the levelling compound.

Not required.

ARDEX P 51.

ARDEX P 4.

Compressive strength – 1 day

9.0 N/mm².

Compressive strength – 7 days

29.0 N/mm².

Compressive strength – 28 days

37.0 N/mm².

TensileStrength

2.5 N/mm² (1 day); 6.0 N/mm² (7 days); 9.5 N/mm² (28 days).

Flexural strength

9.5 N/mm².

Coverage

5 m².

At 3 mm thick per 22 kg bag.

Capacity

22 kg.

Application thickness

3 mm.

Total VOCs (maximum)

EC1+R.

Working time

30 minutes.

Flow life at 20°C approx. 25 minutes.

Density

Bulk density of powder.

1.2 kg/L.

Weight

Weight of fresh mortar approx.

1.9 kg/L.

Environmental information

Country of product manufacture

United Kingdom

Third party certifications

DoP

ARDEX K 40 FLOW - DOP

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