Repair mortar REBUILD40 R4

restorationfor rebarfor concrete

Mortar for the structural restoration of concrete One-component premixed mortar with excellent mechanical strength and high adhesion to the substrate. Also suitable for use in seismic areas. Rebuild40 R4 is a premixed, thixotropic one-component mortar classified as structural in class R4 (according to EN 1504). The balanced composition of natural silica sands and carbonate fillers, combined with the use of special additives, allow for excellent workability and excellent adhesion and mechanical strength performance. Rebuild40 R4 is designed for the restoration of concrete and reinforced concrete structures in earthquake zones. Yield – 17 ± 5% kg/m² per cm of thickness = 8.83 ± 5% lb/ft² per inch of thickness Packaging – 25 kg (55 lb) paper bag Drying time – 8h Value referred to +23°C/+73°F and 50% relative humidity Applicazione – Trowel – Plastering machine Aspect: powder Components: One-component Compression strength after 28 days: 46.0 N/mm² // 6671.74 lb/in² Class M 45 Bending strength after 28 days: 7.22 N/mm² // 1047.17 lb/in² Compression elastic modulus after 28 days: > 20 GPa Adhesion on brick: > 1,5 N/mm2 // 217.56 lb/in² Mixture spreading: 148 mm // 5.82 inches Volumetric mass density: 1950 ± 50 kg/m3 // 121.74 ± 50 lb/ft3 Fast-hardening mortars for the structural restoration of masonry or reinforced concrete structures capable of contributing to the thermal insulation of the walls. • Excellent workability and thixotropic • Workability time 40 minute • Excellent adhesion to concrete • Class R4 according to EN 1504-2 • Suitable to seismic zones • Product with double CE (EN 998-1 and EN 998-2) and double UKCA (BS EN 998-1 and BS EN 998-2) certification