Summary
Flowable, polymer modified R4 concrete repair mortar and levelling compound.
Flowable, polymer modified R4 concrete repair mortar and levelling compound.
Application
Suitable for concrete floor surfaces which are subject to damp, frost and de-icing salts as well as high mechanical loads.
Suitable for concrete floor surfaces which are subject to damp, frost and de-icing salts as well as high mechanical loads.
Description
R4 concrete repair and levelling screed that is fibre-reinforced and polymer-modified. Weberfloor 4640 external screed is a combination product used to renovate concrete substrates. It can be used as a concrete repair mortar or as a levelling compound in external concrete areas such as underground car parks, warehouses, manufacturing facilities etc.
Features and benefits:
- CE marked: CT - C50 - F7.
- Class R4 repair mortar according to EN 1504-3.
- Floor levelling compound according to EN 13813.
- Can be mixed by hand or pump applied.
- Resistant to frost and de-icing salts.
- Can be used as a top wear layer for direct use.
- Fibre-reinforced.
- High mechanical strength.
R4 concrete repair and levelling screed that is fibre-reinforced and polymer-modified. Weberfloor 4640 external screed is a combination product used to renovate concrete substrates. It can be used as a concrete repair mortar or as a levelling compound in external concrete areas such as underground car parks, warehouses, manufacturing facilities etc.
Features and benefits:
- CE marked: CT - C50 - F7.
- Class R4 repair mortar according to EN 1504-3.
- Floor levelling compound according to EN 13813.
- Can be mixed by hand or pump applied.
- Resistant to frost and de-icing salts.
- Can be used as a top wear layer for direct use.
- Fibre-reinforced.
- High mechanical strength.
Color
Grey
Grey
Finish
Cement
Cement
Material
Cementitious, Fibre cement, Polymer-modified cement
Cementitious, Fibre cement, Polymer-modified cement
Shape
Formless
Formless
Length
Bespoke
Bespoke
Width
Bespoke
Bespoke
Height
Bespoke
Bespoke
Warranty description
Ten year
Ten year
Specification
Classification data
Standard
To BS EN 1504-3.
To BS EN 1504-3.
Mortar type
Cement-based polymer-modified fibre-reinforced.
Cement-based polymer-modified fibre-reinforced.
Performance requirement class
R4.
R4.
Additional properties
Water:cement ratio
3.5–3.75 litres/25kg.
3.5–3.75 litres/25kg.
Compressive strength
To EN 12190, >50 MPa.
To EN 13892-2, C50.
Chloride Ion content
To EN 1015-17, ≤0.05%.
-
Adhesive bond
To EN 1542, ≥2.0 MPa.
-
Elastic modulus
To EN 13412, ≥20 GPa.
-
Thermal compatibility
To EN 13687-1, ≥2.0 MPa.
-
Capillary absorption
To EN 13057, ≤0.5 kg/m²·√h.
-
Skid resistance
To EN 13036-4, Class III.
-
Reaction to fire
To EN 13501-1: Class A2-s1.
To EN 13501-1: Class A2-s1.
Application temperature range
8–25°C.
8–25°C.
Thickness
10–80 mm.
10–80 mm.
Curing time
(Open to full load) 7 days at +20°C.
(Open to full load) 7 days at +20°C.
Flexural strength
-
To EN 13892-2, F7.
Wear resistance
-
To EN 13892-4, AR1.
Release of corrosive substances
-
To EN 13813, CT.
Sustainability data
Contains Red List materials
No
No
Country of material origin
Europe
Europe
Country of product manufacture
United Kingdom
United Kingdom
Manufacturing plant location
Dickens house, Enterprise Way, Flitwick, Bedford MK45 5BY, UK
Dickens house, Enterprise Way, Flitwick, Bedford MK45 5BY, UK
Material
Cementitious, Fibre cement, Polymer-modified cement
Cementitious, Fibre cement, Polymer-modified cement