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Shrinkage reduced fast screed binder

ARDEX A 58

For producing quickly usable cement screeds on insulation layers, on separating layers and in composite structures
Early accessibility and readiness for use
Ready for tiles and slabs after 1 day
Ready for installation after 4 days for elastic and textile floor coverings as well as parquet flooring
Long processing and handling time
Swelling class SW1
Hardening with virtually no shrinkage or tension
Strengths up to CT-C50-F7

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Area of Application
Area of Application ARDEX A 58

For indoor and outdoor use, floor.

High-quality residential, commercial, industrial, utility and exposed screeds

in composite

on separating layer

on insulation layer

as heated screed.

For laying

Tiles

Natural stone and concrete stone slabs

elastic and textile floor coverings

Parquet flooring

Coatings.

Ready for laying tiles, natural stone and concrete slabs after 1 day.

Ready for laying elastic and textile coverings and parquet flooring after 4 days.

Technical data

Technical data ARDEX A 58

Mixing ratio approx.

Component A	Component B	Component C	Consistency
75 kg powder	300 kg sand	20 – 30 l water	Mixing ratio 1 : 4
62.5 kg powder	320 kg sand	16 – 26 l water	Mixing ratio 1 : 5
50 kg powder	300 kg sand	12 – 23 l water	Mixing ratio 1 : 5

Material requirement approx.

Material requirements	Condition
4.0 kg	At a mixing ratio of 1 : 4 by weight
3.3 kg	At a mixing ratio of 1 : 5 by weight
2.9 kg	At a mixing ratio of 1 : 6 by weight

Bulk density approx.

1,10 kg/l

Fresh weight approx.

2,00 kg/l

Raw density (cured)

2.1 – 2.25 kg/l

Processing time approx.

120 Minute(s)

Can be walked on after approx.

1 Day(s)

Coatable

7 Day(s)

Application Ambient conditions

+20°C

E-modulus

27500 N/mm² (in MV 1 : 5)

Shrinkage class

SW1 (ΔL < 0.2 mm/m) according to DIN 18560-1 / DIN EN 13892-9

Bending tensile strength approx.

Time	Bending tensile strength approx.	Condition
After 1 day	4 N/mm²	At a mixing ratio of 1 : 4 by weight
After 7 days	5.5 N/mm²	At a mixing ratio of 1 : 4 by weight
After 28 days	7 N/mm²	At a mixing ratio of 1 : 4 by weight
After 1 day	3.5 N/mm²	At a mixing ratio of 1 : 5 by weight
After 7 days	4.5 N/mm²	At a mixing ratio of 1 : 5 by weight
After 28 days	6 N/mm²	At a mixing ratio of 1 : 5 by weight
After 1 day	3 N/mm²	At a mixing ratio of 1 : 6 by weight
After 7 days	4 N/mm²	At a mixing ratio of 1 : 6 by weight
After 28 days	5 N/mm²	At a mixing ratio of 1 : 6 by weight

Compressive strength approx.

Time	Compressive strength of approx.	Condition
After 1 day	30 N/mm²	At a mixing ratio of 1 : 4 by weight
After 7 days	45 N/mm²	At a mixing ratio of 1 : 4 by weight
After 28 days	50 N/mm²	At a mixing ratio of 1 : 4 by weight
After 1 day	20 N/mm²	At a mixing ratio of 1 : 5 by weight
After 7 days	40 N/mm²	At a mixing ratio of 1 : 5 by weight
After 28 days	45 N/mm²	At a mixing ratio of 1 : 5 by weight
After 1 day	18 N/mm²	At a mixing ratio of 1 : 6 by weight
After 7 days	35 N/mm²	At a mixing ratio of 1 : 6 by weight
After 28 days	40 N/mm²	At a mixing ratio of 1 : 6 by weight

Surface tensile strength

≥ 1.5 N/mm² (after 28 days). To increase the surface strength, the floor screed must be covered with a plastic sheet for one day after smoothing.

Strength classes

Mixing ratio	Strength class
Mixing ratio 1 : 4	CT-C50-F7
Mixing ratio 1 : 5	CT-C45-F6
Mixing ratio 1 : 6	CT-C40-F5

Suitable for underfloor heating

Yes

Fire behaviour

A1-fl

Corrosion behaviour

Does not contain any components that promote corrosion on steel

Labelling according to GHS/CLP

See relevant safety data sheet

Labelling according to ADR

See relevant safety data sheet

EMICODE

EC 1 PLUS = very low emissions PLUS

Packaging

25 kg net bag

Storage

Can be stored in dry rooms for approx. 12 months in the original sealed container.

Downloads
Links and Downloads

Technical Data Sheet
Safety Data Sheet
EC 1 Plus Licence

Product details

Coverage & Packaging

ART.-BEZ.	Coverage	Item Number	EAN	Packaging
ARDEX A 58 – 25 kg	paper bag	4755	9006445047557	40 bags/pallet

Links and Calculator

Calculator for ARDEX A 58

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The calculator below will tell you how large an area a unit of the selected grout will cover, based on the dimensions that you supply. Simply enter the required figures in the boxes below and view the results in the results box. All tile and joint dimensions are rounded up to the nearest number (no decimal points).
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Area to be covered in m² Installation thickness split mortar

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The calculation above indicates the approximate number of units required, and does not allow for site conditions or wastage

ARDEX A 58

Area of Application ARDEX A 58

Technical data ARDEX A 58

Links and Downloads

Coverage & Packaging

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