NBS Source
ARDEX K 39 High Flow Levelling Compound

Application

Suitable for complicated areas, adjoining rooms and large areas where pumping is require.

Description

High flow levelling and smoothing compound. Extended workability, high flow levelling and smoothing compound.


With its extended wet edge, fresh applications of ARDEX K 39 can be easily smoothed into existing pre-applied material for up to 40 minutes after application, making it suitable for complicated areas, adjoining rooms and large areas where pumping is require. Furthermore, the use of ARDEX K 39 eliminates the need to ‘rub down’ the adjoining mixes the following day.


Features and benefits:

  • Workable wet edge of up to 40 minutes.
  • Excellent coverage – 7.4 m² at 2 mm thick.
  • Rapid hardening – walkable in as little as 2 hours.
  • Spike rolling not always necessary.
  • Highly versatile – apply from 1.5 mm.

General information

Color

Grey

Finish

Smooth

Material

Cement

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

ARDEX K 39 can be applied from 1.5mm up to a maximum of 10mm in a single application. To utilise its free-flowing properties the minimum application thickness should be at least 2mm. A minimum thickness of 3mm should be applied on a non-absorbent sub-floor where an absorbent layer is required by the flooring adhesive.


When applying ARDEX K 39 at thicknesses over 10mm, incorporate up to half a volume of ARDEX Coarse Aggregate. Mix the ARDEX K 39 as above without further addition of water. Mixes with aggregate may require a subsequent smoothing layer of ARDEX K 39. 

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Uniclass

Pr_35_31_06_80 Smoothing and levelling underlay compoundsPrimary

CAWS

M50/170 Carpeting

M51/110 Carpeting

M50/25 Carpeting

M50/20 Sheeting

M50/150 Sheeting

M50/15 Carpet tiling

M50/130 Carpet tiling

M50/110 Resilient floor tiling

M50/10 Resilient floor tiling

M40/12 Mosaic to

M40/120 Mosaic to

K21/146 Laminate flooring

K21/145 Composite laminate flooring

M42/10 Wood flooring

K21/110 Wood flooring

K21/10 Wood laminate flooring

K21/115 Wood laminate flooring

M40/10 Natural stone covering to

M40/115 Natural stone covering to

M40/110 Tiling to

M40/460 Smoothing underlayment

M50/460 Smoothing/ levelling underlayment compound

M40/5 Tiling to

Specification data - Smoothing and levelling underlay compounds Enhanced data

Material

Cementitious.

Standard

To EN 13813: CT-C35-F7.

Coverage

Approximately 7.4 m² at 2 mm thickness.

22 kg bag.

Approximately 5 m² at 3 mm thickness.

22 kg bag.

Compressive strength – 28 days

29.0 N/mm².

Flexural strength

8.0 N/mm².

Volatile organic compounds (VOC) emission

EMICODE: EC1+R (very low emission).

Application thickness

1.5—10 mm.

Environmental information

Country of product manufacture

United Kingdom

Digital objects

Platform Compatible Version Certified to
Revit

Revit 2016

2

2.0
IFC
-

2

2.0
Download now from NBS National BIM Library

Literature

ARDEX Datasheets Booklet

ARDEX Datasheets Booklet

ARDEX RIBA CPD Seminar Brochure

ARDEX RIBA CPD Seminar Brochure

Case studies

Odeon Cinema

Odeon Cinema

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