- Dissolve 250ml washingsoda in 500ml boiling water. Add 500ml quikcklime. The mixture should form a thin paste. Warning: quicklime reacts vigorously when mixed with water and can cause injury.
- Apply two thin coats of the cold mixture to the surface to be stripped.
- Leave for 24 hours and then scrub off and hose down with water.
- Neutralise the surface with equal parts vinegar and water.
Source: 1 000+ Hints for the Home by Solet Scheeres (Human & Rousseau)