Repair mortar 20kg and cement mortar WEBER

Weber.rep R4 duo is a high-quality, polymer-modified PCC mortar, combining the properties of a concrete repair material (class R4) and a fine filler. It is suitable for indoor and outdoor use, both for repairs and for smoothing and restoring concrete surfaces.

Main applications:

• Restoration and reinforcement of concrete surfaces (walls, ceilings, steps)
• Plastering and smoothing of concrete elements (facades, slabs, walls)
• Suitable for building slopes up to 50 mm (e.g. balconies)
• Compatible with Weber.tec 771 and 771 surface protection systems 772

Advantages:

• Combines repair and putty mortar in one product
• For single-layer application up to 50 mm thickness
• Excellent compressive strength: > 45 N/sq.mm
• Extremely good adhesion: ≥ 2 N/sq.mm
• Excellent resistance to freezing and thawing with desalting agents
• Suitable for areas with pedestrian and vehicle traffic load
• Water-permeable and vapor-permeable
• Fine-grained (max. grain 0.5 mm)
• Compatible with OS-C / OS-D II / OS-4 / OS-5 protection systems
• Approved by BAST (Federal Road Agency in Germany)

Technical data:

• Composition: Cement, mineral fillers, polymers, additives for shrinkage control and workability
• Color: concrete gray
• Max. Application thickness: up to 50 mm
• Bending strength: > 8 N/sq.mm
• Adhesion strength: ≥ 2 N/sq.mm
• Consumption: ~1.9 kg/sq.m per mm of thickness
• Working time: about 60-90 min
• Working temperature: +5°C to +30°C
• Density of dry mixture: ~1.6 kg/l
• Density of fresh solution: ~2.1 kg/l
• Water consumption: As repair mortar: max. 2.9 l / 20 kg; as a fine filler: max. 3.2 l / 20 kg

Packaging and storage

• Available in a 20 kg bag
• Store in a dry and moisture-free place
• Store in the original, unopened packaging
• Minimum shelf life: 9 months from the date of production
• Keep away from frost and direct sunlight