Description
Sika MonoTop®-438 R is a one component, pre-bagged, pourable, self-compacting fast hardening repair mortar meeting the requirements of class R4 of EN 1504-3.
- Suitable for restoration work by recasting (Principle 3, method 3.2 of EN 1504-9). Repair of spalling and damaged concrete in buildings, bridges, infrastructure and superstructure works.
- Suitable for structural strengthening (principle 4, method 4.4 of EN 1504-9). Increasing the bearing capacity of the concrete structure by adding mortar
- Suitable for preserving or restoring passivity (principle 7, method 7.1 and 7.2 of EN 1504-9). Increasing cover with additional mortar and replacing contaminated or carbonated concrete.
- Rapid repair of concrete on buildings and civil engineering structures for areas including beams, balconies, columns, stairs, decks, walls, etc.
- Class R4 of EN 1504-3
- Self compacting micro-concrete
- Very good flow properties
- Application up to 500 mm thickness (see notes on ‘Layer Thickness’)
- Rapid strength development
- Early removal of formwork (within ~4 hours at +20°C)
- Good adhesion
- Low shrinkage
- Finished surface can be painted after formwork is removed
