Only use with cement, cement
slurry must have thickness of mayonnaise.
Mix one bag ( 50 gr ) of
inter master in 3 litres clean water.
Add Approx. 7 kg of cement
Wet the surface to be treated
with clean water.
Apply the mixture
with a whitewash brush to the cement, that may not be
painted or whitened. This coat is watertight and remains
Repeat again after a few
days if desired. Can be painted or whitened afterwards.