ARDEX

K 009 Levelling and Smoothing Compound

Smoothing underlay · NZ · manufacturer-sourced

Check your container: This countdown is for the Smoothing underlay variant. Similar-looking versions may have different times.

How long before you can install flooring over ARDEX K 009 Levelling and Smoothing Compound?

Short answer

Ready for floor covering: 1 day after application.
Light foot traffic: 2–3 hours after application.
Floors & flooring adhesive

Return-to-use gates

Walk, furniture and full traffic open at different times

  1. Apply the Smoothing underlay to a clean, dry subfloor
  2. Stay off until the foot-traffic time
  3. Bring in furniture and heavy use later

This product’s stated stages Quoted at 68°F

  • Working time ends10 minutes
  • Light foot traffic2–3 hours
  • Ready for flooring1 day
  • Heavy traffic7 days

Worth noticing: Working time is only 10 minutes; the next stated stage, light foot traffic, is 2–3 hours.

Common mistake: Moving furniture back the day after, while the surface is still soft.

Floors & flooring adhesive

Return-to-use gates

Open the surface gradually instead of treating cure as one moment

Touch / inspectA surface check only
Foot trafficUse the stated walking time
Heavy useWait for furniture, water or vehicle readiness

Time returning to use

When did you install the floor product?
Conditions that affect drying
Where?
Thickness

Stated times

  • Working time ends10 minutes
  • Ready for floor covering1 day
  • Light foot traffic2–3 hours
  • Heavy traffic7 days

From ARDEX data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.

Manufacturer website: ardex.com

Conditions & fine print
  • Stated conditions: 68°F (20°C)
  • Floor times assume the stated temperature and humidity. Cold slabs, thick coats and damp subfloors lengthen them. Follow the current data sheet.
  • Apply at 50°F or above
  • Region NZ. Formulas can differ between countries; check your container.
  • Working time ends: The source gives no conditions for this time.
  • Ready for floor covering: Cooler conditions lengthen it.
  • Light foot traffic: At 20°C.
  • Heavy traffic: At 20°C; ARDEX E 25 can add strength.
  • Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Confirm this is your product

Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.

Exact listing
ARDEX K 009 Levelling and Smoothing Compound
Variant
Smoothing underlay
Region
NZ
Listed use
smoothing, retail floors
Timed stages recorded
tooling, floor ready, light foot, heavy traffic
Source checked
2026-10-25

Documentation: Technical data sheet · Datasheet, copyright 2017

Condition attached to the stated time: The source gives no conditions for this time.

About this product

A smoothing compound with a 7 day wait for heavy loads such as supermarket trolleys, against walking at 2 to 3 hours.

Using this specific product

ARDEX K 009 Levelling and Smoothing Compound is listed here as the Smoothing underlay version for smoothing and retail floors. For installing or finishing a floor, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.

Before you start

  • Confirm the package says Smoothing underlay; related versions can use different timing.
  • For smoothing and retail floors, pay particular attention to subfloor condition, trowel coverage, room temperature and traffic plan.
  • The source gives no conditions for this time. Cooler conditions lengthen it. At 20°C. At 20°C; ARDEX E 25 can add strength.

How to check readiness

Test the least-ventilated area before walking, covering or replacing furniture. The sheet says not to rework after 10 minutes. The sheet gives carpet, vinyl and floating floors at 24 hours. Try a protected edge first and avoid turning, dragging or concentrated loads.

Avoid this mistake

Foot traffic, furniture and rugs can have different return times.

Compare with similar products

Questions

How long before you can install flooring over this product?

ARDEX states: The sheet says not to rework after 10 minutes. Conditions: The source gives no conditions for this time.. The sheet gives carpet, vinyl and floating floors at 24 hours. Conditions: Cooler conditions lengthen it.. The sheet gives walk-on at 2 to 3 hours. Conditions: At 20°C.. The sheet gives heavy loads such as trolleys at 7 days. Conditions: At 20°C; ARDEX E 25 can add strength.. These are the manufacturer’s stated times, not a guarantee.

When can supermarket trolleys use ARDEX K 009?

The sheet gives 7 days at 20°C.

How long do I have to work with this product?

ARDEX states: The sheet says not to rework after 10 minutes. Conditions: The source gives no conditions for this time.. These are the manufacturer’s stated times, not a guarantee.

How long before I can walk on tile set with this product?

ARDEX states: The sheet gives walk-on at 2 to 3 hours. Conditions: At 20°C.. These are the manufacturer’s stated times, not a guarantee.

How long before heavy traffic is safe on this product?

ARDEX states: The sheet gives heavy loads such as trolleys at 7 days. Conditions: At 20°C; ARDEX E 25 can add strength.. These are the manufacturer’s stated times, not a guarantee.

What affects how long this product takes to dry or cure?

Floor times assume the stated temperature and humidity. Cold slabs, thick coats and damp subfloors lengthen them. Follow the current data sheet. Follow the product label for your conditions.