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Product Details

ARDEX K 55

Self-Leveling, Rapid Curing, Thin Screed

  • Rapid drying and curing, ready for covering, hydraulic binder-based, self-leveling thin screed
  • Can be covered with textile, PVC, LVT, linoleum, rubber, and parquet after just 60 minutes
  • Improved spreading and low consumption properties
  • High adhesion and bonding properties allow for primer-free application on many substrates
  • Very fast application in both new and renovation projects
  • Fast application even at high thicknesses
EMICODE EC1

Usage Areas

Used indoors. Self-leveling thin screed for rapid and short-duration new and renovation applications on cement, gypsum-based, and similar substrates.

Product Features

A gray powder product composed of dispersion-based powder polymer and specially selected raw materials. When mixed with water, it forms a self-smoothing mortar with a suitable consistency that can be worked for 15 minutes and is walkable and ready for covering within 60 minutes after application.

General

The thickness should be at least 1.5 mm on solid and non-absorbent substrates. ARDEX K 55 can be applied up to a maximum thickness of 10 mm in a single application. For thicknesses between 10-20 mm, sand can be added to the ARDEX K 55 mortar in the following proportions:

  • 0.3 parts by volume of 0-4 mm washed sand per 1 part by volume of mortar
  • 0.5 parts by volume of 0-8 mm washed sand per 1 part by volume of mortar

Packaging

20 kg kraft bag

Shelf Life and Storage

Can be stored for approximately 24 months in a dry and cool environment in its original unopened packaging.

Rapid Curing Self-Leveling Thin Screed – ARDEX K 55

ARDEX K 55 is a self-leveling, rapid-curing thin screed ideal for indoor applications on various substrates. It is walkable and ready for covering in just 60 minutes, making it perfect for fast-paced projects.

Mixing Ratio

Approximately 5.0 liters of water per 20 kg powder

Dry Powder Density

Approximately 1.2 kg/l

Fresh Mortar Density

Approximately 1.8 kg/l

Material Requirement

Approximately 1.4 kg powder/m²-mm

Working Time*

Approximately 15 minutes

Walkable Time*

Approximately 60 minutes after application

Covering Time*

Approximately 60 minutes after application

*These values are approximate and calculated under laboratory conditions at +20°C and 65% relative humidity. Environmental and air conditions can alter these values. Higher temperatures and lower humidity shorten these times, while lower temperatures and higher humidity extend them.

Compressive Strength

Approximately 20 N/mm² after 1 day Approximately 30 N/mm² after 7 days Approximately 35 N/mm² after 28 days

Flexural Strength

Approximately 6 N/mm² after 1 day Approximately 8 N/mm² after 7 days Approximately 10 N/mm² after 28 days

Point Load Resistance

Approximately 40 N/mm² after 1 day Approximately 50 N/mm² after 7 days Approximately 60 N/mm² after 28 days

Suitability for Wheelchair Use

Suitable

Suitability for Underfloor Heating

Suitable

EMICODE

EC 1R – Low emission

GHS/CLP Classification

None

GGVSEV/ADR Classification

None

IMPORTANT NOTE

This Frequently Asked Questions (FAQ) section is prepared for general information purposes and does not constitute a definitive guide. For the most accurate and up-to-date information about self-leveling screed applications, especially ARDEX K 55, please refer to the product technical data sheets. For detailed information about product features, usage conditions, and application methods, we recommend consulting the ARDEX Turkey technical team. Before any application, obtaining expert advice on surface preparation and product selection will increase the success of the application.

What is rapid curing self-leveling screed?

Rapid curing self-leveling screed is a floor covering that quickly dries and cures, allowing for rapid application and covering. It spreads evenly across the floor without manual leveling.

How thick can I apply ARDEX K 55?

ARDEX K 55 can be applied at varying thicknesses, providing fast application even at high thicknesses.

How long before I can cover ARDEX K 55?

You can cover ARDEX K 55 with textile, PVC, LVT, linoleum, rubber, and parquet after just 60 minutes.

Is ARDEX K 55 suitable for underfloor heating?

Yes, ARDEX K 55 is suitable for use with underfloor heating systems.

Does ARDEX K 55 require a primer?

No, ARDEX K 55 has high adhesion and bonding properties, allowing for primer-free application on many substrates.

How do I mix ARDEX K 55?

Mix 20 kg of powder with approximately 5.0 liters of water to achieve a smooth, self-leveling mortar.

Size of area in m²
Consumption may vary depending on application thickness
mm

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