Repairs to the cracks in walls,
columns or beams can be carried out by the following method given below.
- Remove all the
loose concrete completely and clean the reinforcement with wire brush.
- Apply Rusticide
by means of cotton waste swab to reinforcement.
- After 24 hours
apply a passivating coat of Polyalk Fixoprime/Cement slurry 1:1.50
proportion to the chemically de-rusted surface of steel.
- Apply a priming
cum bonding coat of Polyalk EP/Cement slurry in proportion 1:1 by weight
to the concrete by brush.
- Immediately
place polymer modified mortar prepared by mixing:
1 kg. Polyalk EP
5 kgs. Cement
(fresh)
15 kgs. Quartz Sand
(graded)
Sufficient water to
desired consistency
- After 15-20 minutes level the surface with steel trowel.
- After 48 hours cure by sprinkling water 2-3 days.
- Finish the surface with 1:4 Cement Mortar.